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Artykuły w czasopismach na temat "Animal behaviour in the wild"
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Veasey, J. S., N. K. Waran i R. J. Young. "On Comparing the Behaviour of Zoo Housed Animals with Wild Conspecifics as a Welfare Indicator". Animal Welfare 5, nr 1 (luty 1996): 13–24. http://dx.doi.org/10.1017/s0962728600018297.
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AbstractIt is commonly assumed that animals suffer if they cannot perform behaviours seen in wild conspecifics. Although comparisons with the behaviour of wild conspecifics are a popular method of assessing the welfare of captive animals, their validity has not been fully assessed. Homeostatic models of motivation suggest that many behaviours are stimulus driven rather than internally generated. Thus, it is possible that the non-performance of some wild-type behaviours does not necessarily compromise animal welfare, unless welfare is defined as being compromised by such non-performance. The flexibility of wild animal behaviour and the fact that animals free to perform the complete range of wild behaviours can suffer, must also put into the question the validity of such comparisons. Technical criticisms also arise when one considers the difficulty of constructing accurate and unbiased time budgets for wild animals. It is possible that the expressions of wild-type behaviours correlate with enhanced welfare, rather than cause enhanced welfare. Thus, if the consequences of behaviour are more important than the expression of behaviour itself, environmental enrichment does not necessarily need to rely upon the performance of wild-type behaviours for the improvement of animal welfare. Therefore, although behavioural comparisons with wild animals can be considered as potentially useful indicators of behavioural differences, they cannot always be relied upon to give an objective assessment of animal welfare. To make an assessment of welfare, behavioural comparisons with wild animals should be used in conjunction with other techniques to demonstrate that the consequences of non-performance of wild behaviours results in impoverished welfare.
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Munn, A. J., S. Phelan, M. Rigby i J. A. Roberts. "Behavioural adjustments of wild-caught kangaroos to captivity". Australian Mammalogy 39, nr 2 (2017): 213. http://dx.doi.org/10.1071/am16019.
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It is important to understand how wild-caught animals may respond to captivity, and whether their behaviours in captivity are reflective of their wild counterparts. We observed the behaviour of wild-caught western grey kangaroos (Macropus fuliginosus) and red kangaroos (Osphranter rufus; formerly M. rufus) that were transferred to a large naturally vegetated enclosure. Observations were made on the first day of captivity and again after 7–10 days, and were compared with the behaviour of free-living kangaroos at the same locality and over the same period. We quantified feeding, moving, grooming and non-alert behaviours. Of these, grooming was higher in captive kangaroos than in free-living animals on the first day of captivity only, and was no different to that of wild animal by 7–10 days’ captivity. Such self-directed behaviour may be indicative of heightened distress for kangaroos on the first day of captivity, but it may also be indicative of grooming to eliminate contamination of human smells or debris following capture by darting and recovery. Overall, our findings indicate that after a short period of captivity, wild-caught kangaroos adjust to a novel environment relatively quickly, and animals from each species showed behaviour patterns comparable with free-ranging counterparts within 7–10 days after capture and captivity.
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Hughey, Lacey F., Andrew M. Hein, Ariana Strandburg-Peshkin i Frants H. Jensen. "Challenges and solutions for studying collective animal behaviour in the wild". Philosophical Transactions of the Royal Society B: Biological Sciences 373, nr 1746 (26.03.2018): 20170005. http://dx.doi.org/10.1098/rstb.2017.0005.
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Mobile animal groups provide some of the most compelling examples of self-organization in the natural world. While field observations of songbird flocks wheeling in the sky or anchovy schools fleeing from predators have inspired considerable interest in the mechanics of collective motion, the challenge of simultaneously monitoring multiple animals in the field has historically limited our capacity to study collective behaviour of wild animal groups with precision. However, recent technological advancements now present exciting opportunities to overcome many of these limitations. Here we review existing methods used to collect data on the movements and interactions of multiple animals in a natural setting. We then survey emerging technologies that are poised to revolutionize the study of collective animal behaviour by extending the spatial and temporal scales of inquiry, increasing data volume and quality, and expediting the post-processing of raw data. This article is part of the theme issue ‘Collective movement ecology’.
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Lima, Danilo Sabino da Silva, Esau Marlon Franco da Paz, Charbel Niño El-Hani i Hilton Ferreira Japyassú. "A comparison between affiliative and agonistic behaviours in wild and captive Sapajus libidinosus (Spix, 1823) (Mammalia, Primates, Cebidae)". Papéis Avulsos de Zoologia 62 (27.05.2022): e202262033. http://dx.doi.org/10.11606/1807-0205/2022.62.033.
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Organisms modulate the expression of their behaviours through environmental contexts. Several studies have suggested that the frequencies of social behaviours may differ between captive and free-living primates. In the present study, we compared the social behaviours displayed by captive and free-living groups of the bearded capuchin monkey (Sapajus libidinosus), describing and analysing their social behaviours. We observed through focal animal sampling 59 animals distributed in 10 social groups, analysing 191:45 h of videos of their behaviours. Captivity reduced the frequency of agonistic, but not of affiliative behaviours. Furthermore, neither group size nor sex could explain the overall variability in affiliative behaviour. We conclude that captivity has indeed an important impact only on some aspects of social behaviour, namely, on agonistic behaviours.
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Wiepkema, P. R. "Remarks on the behaviour of wild boar". Applied Animal Behaviour Science 15, nr 2 (maj 1986): 179–80. http://dx.doi.org/10.1016/0168-1591(86)90066-3.
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Zwart, H. A. E. "The Birth of a Research Animal: Ibsen's The Wild Duck and the Origin of a New Animal Science". Environmental Values 9, nr 1 (luty 2000): 91–108. http://dx.doi.org/10.1177/096327190000900106.
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What role does the wild duck play in Ibsen's famous drama? I argue that, besides mirroring the fate of the human cast members, the duck is acting as animal subject in a quasi-experiment, conducted in a private setting. Analysed from this perspective, the play allows us to discern the epistemological and ethical dimensions of the new scientific animal practice (systematic observation of animal behaviour under artificial conditions) emerging precesely at that time. Ibsen's play stages the clash between a scientific and a romantic understanding of animals that still constitutes the backdrop of most contemporary debates over animals in research. Whereas the scientific understanding reduces the animal's behaviour, as well as its environment, to discrete and modifiable elements, the romantic view regards animals as being at one with (or violently disconnected from) their natural surroundings.
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Morris, P. A., K. Meakin i S. Sharafi. "The Behaviour and Survival of Rehabilitated Hedgehogs (Erinaceus Europaeus)". Animal Welfare 2, nr 1 (luty 1993): 53–66. http://dx.doi.org/10.1017/s0962728600015451.
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AbstractFull ‘rehabilitation’ of sick and injured wild animals should include restoration to the wild. Few attempts have been made to discover the fate of released ‘rehabilitated’ animals, a significant omission in terms of animal welfare. They may die, unable to find adequate food or nest sites in unfamiliar places. They may be ostracized or even attacked by wild resident conspecifics.Eight ‘rehabilitated’ hedgehogs (Erinaceus europaeus) were released into farmland and radio-tracked to monitor their movements and nesting; they were also weighed frequently. Three wild hedgehogs caught on site were studied in parallel.Only one animal remained close to the release site throughout the eight week study. The rest scattered, perhaps seeking more familiar terrain. One animal died, possibly not having fully recovered from its original disorder. Of the seven others, three survived at least seven weeks, but two then met with accidental deaths (drowning and road kill). Contact was lost with four animals, but circumstances suggested that they were probably still alive at least five weeks after release. There was no evidence of negative interaction with local wild hedgehogs nor any indication of difficulty with foraging, nesting or finding their nests again. Body-weights were generally maintained or increased. It is concluded that rehabilitated adult hedgehogs can probably cope well with release.
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Nicol, C. J. "Farm animal cognition". Animal Science 62, nr 3 (czerwiec 1996): 375–91. http://dx.doi.org/10.1017/s1357729800014934.
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AbstractAlthough there may be task-specific differences in performance between wild and domestic animals, there is no evidence for any generally reduced cognitive capacity in domestic animals. It is not possible to compare intelligence between species or breeds without recognizing the contribution of differences in attention and motivation, and domestic animals often perform better on learning tasks than wild animals because they are less fearful. Considerable flexibility and complexity in behaviour can arise from context-specific decisions that may not require learning. Examples include alarm calling and maternal behaviour in chickens. However, the majority of intelligent behaviour shown by farm animals is dominated by learned associations, sometimes in response to remarkably subtle cues. Seemingly straightforward learning abilities may result in surprising emergent properties. An understanding of these properties may enable us to investigate how farm animals interact socially, and whether they form concepts. Other abilities, such as imitation and the re-organization of spatial information, do not appear to depend on associative learning. The study offarm animal cognition tells us little about the issue of animal consciousness but, none the less, plays an important role in the animal welfare debate. The types of cognitive abilities animals have provide clues as to the types of situations in which (given the benefit of the doubt) they might suffer.
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MacIntosh, Andrew J. J., Concepción L. Alados i Michael A. Huffman. "Fractal analysis of behaviour in a wild primate: behavioural complexity in health and disease". Journal of The Royal Society Interface 8, nr 63 (23.03.2011): 1497–509. http://dx.doi.org/10.1098/rsif.2011.0049.
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Parasitism and other stressors are ubiquitous in nature but their effects on animal behaviour can be difficult to identify. We investigated the effects of nematode parasitism and other indicators of physiological impairment on the sequential complexity of foraging and locomotion behaviour among wild Japanese macaques ( Macaca fuscata yakui ). We observed all sexually mature individuals ( n = 28) in one macaque study group between October 2007 and August 2008, and collected two faecal samples/month/individual ( n = 362) for parasitological examination. We used detrended fluctuation analysis (DFA) to investigate long-range autocorrelation in separate, binary sequences of foraging ( n = 459) and locomotion ( n = 446) behaviour collected via focal sampling. All behavioural sequences exhibited long-range autocorrelation, and linear mixed-effects models suggest that increasing infection with the nodular worm Oesophagostomum aculeatum , clinically impaired health, reproductive activity, ageing and low dominance status were associated with reductions in the complexity of locomotion, and to a lesser extent foraging, behaviour. Furthermore, the sequential complexity of behaviour increased with environmental complexity. We argue that a reduction in complexity in animal behaviour characterizes individuals in impaired or ‘stressed’ states, and may have consequences if animals cannot cope with heterogeneity in their natural habitats.
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Van Elven, B. "Behavioural Approaches to Conservation in the Wild". Pacific Conservation Biology 4, nr 3 (1998): 273. http://dx.doi.org/10.1071/pc98273a.
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Behavioural Approaches to Conservation in the Wild is based on a series of papers from a symposium entitled "Conservation and Behaviour in the Wild" held during the Animal Behaviour Society annual meetings in Lincoln, Nebraska in 1995. The book was compiled because the editors (and others) felt that both behavioural researchers and conservation biologists did not adequately recognize the important role that behavioural studies could play in conservation efforts. Traditionally, behavioural researchers have limited the conservation applications of their research to captive breeding and reintroduction programmes of endangered species, while conservation biologists have focussed on landscape design and ecosystem restoration without necessarily considering animal behaviour. The objectives of the book are twofold: to stimulate behavioural researchers to think about how their work can contribute to conservation of biological diversity, and to show conservation biologists the relevance of behavioural research in solving conservation problems. As expected given the location of the symposium and the high proportion of northern hemisphere contributors, most examples presented are from that region.
Rozprawy doktorskie na temat "Animal behaviour in the wild"
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Robertson, Peter Charles John. "Movement behaviour of wild and rehabilitated juvenile foxes (Vulpes vulpes)". Thesis, University of Bristol, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.238942.
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Landete-Castillejos, Tomás. "Chemical communication in wild Norway rats (Rattus norvegicus Berkenhout)". Thesis, University of Nottingham, 1997. http://eprints.nottingham.ac.uk/11231/.
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This study examined the urine and faecal scent marking behaviour and investigatory responses of wild Norway rats (Rattus norvegicus Berkenhout) kept in large, semi-natural enclosures to assess the role these scents play in their communication system. For the first time, this study has shown that Norway rats deposit faecal scent marks in response to odour cues and form latrines. The spatial distribution of faeces was highly uneven. Most faeces deposited in open areas were found in clusters occupying less than 1 m2 which were termed latrines. Rats spent more time at feeders and in other areas which were almost devoid of faeces than at these latrines. This suggests that latrines were created deliberately, perhaps for communication. Rats discriminated among faeces from different donors with respect to their investigation, presumably using olfactory cues. They faecal marked in response to urine cues from rats belonging to other colonies, although they did not faecal mark in response to their own urine cues or to a novel non-social stimulus (clean tiles). Investigation and faecal marking was aimed mainly towards urine from individuals of the marker's own sex. This suggests that faecal marking may play a role in communication between competitors. Urine was deposited as discrete marks around the enclosures, in an uneven distribution. The highest density of marks was found by the enclosure walls and nest areas. Rats showed a greater urine marking response towards introduced clean surfaces than towards surfaces they had already marked, ensuring that their home area was always covered with their urine marks. Close monitoring of urine marking on clean surfaces showed that male -rats had a marking rate three times greater than that of females. This could not be attributed solely to weight differences between males and females. Rats also urine marked in response to urine deposited by rats from other colonies. Urine from unfamiliar rats of the subject's own sex stimulated more investigation than urine from the opposite sex, though donors were immature. These results suggest that urine marking also plays a role in communication between competitors. Testing individuals in their home enclosure, using scent marks deposited naturally by rats, and the contexts in which scent stimuli are deposited by donors (e. g. as part of their home range) and found by residents (e. g. finding intruder's home range marks in the resident's home range) were essential factors in determining their response to olfactory cues. The importance of these factors is discussed.
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Augustsson, Hanna. "Ethoexperimental studies of behaviour in wild and laboratory mice : risk assessment, emotional reactivity and animal welfare /". Uppsala : Dept. of Large Animal Clinical Sciences, Swedish Univ. of Agricultural Sciences, 2004. http://epsilon.slu.se/v174.pdf.
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Adriaenssens, Bart. "Individual variation in behaviour : personality and performance of brown trout in the wild /". Göteborg : Department of Zoology, Animal Ecology, University of Gothenburg, 2010. http://hdl.handle.net/2077/22217.
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Bassett, Lois. "Effects of predictability of feeding routines on the behaviour and welfare of captive primates". Thesis, University of Stirling, 2003. http://hdl.handle.net/1893/3319.
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The effects of variations in the predictability of appetitive events, such as feeding, have rarely been studied in animals in general or primates in particular. Feeding animals on highly predictable temporal schedules often results in the performance of food anticipatory activity (FAA), characterised by increased arousal and activity and thought to be detrimental to welfare. Temporally unpredictable feeding schedules have been interpreted as resulting in improved welfare. However, if feeding is made unpredictable by preceding it with an unreliable signal, it may result in frustration and aggression. It is suggested here that two distinct but overlapping types of predictability exist. 'Temporal' predictability describes whether an event occurs at fixed or variable intervals, whereas 'signalled' predictability relates to the reliability of a signal preceding the event. This thesis examines the effects of each of these types of predictability in relation to feeding. Welfare was assessed in laboratory-housed common marmosets( Callithrix jacchus) using behavioural measures, which were identified in the context of the routine stressor of human handling and weighing. The signalled and temporal predictability of presentation of a desirable titbit was subsequently experimentally manipulated. It was found that temporally unpredictable presentation of food, preceded by an unreliable signal, was associated with substantially increased stress-related behaviours in this species. If no signal was used, stress increased to a moderate level, but if the food delivery followed a reliable signal there were few behavioural changes compared to control animals. Temporally predictable feeding, without a signal, was associated with lower rates of stress-related behaviour than temporally unpredictable, unsignalled feeding. However, deviations from this temporally predictable schedule, representing delays to feeding, resulted in marked increases in stress. The results were confirmed with a further study, worked around existing feeding routines and using a different primate species, the stump-tailed macaque (Macaca arctoides). Based on these findings it is suggested that the most beneficial schedule for feeding captive primates is a temporally unpredictable one, which appears to buffer animals against the negative effects of delays as well as minimising FAA. Presentation of a reliable signal before food delivery appears to minimise the stress intrinsically associated with a temporally unpredictable routine. These recommendations represent a simple and inexpensive method of improving the welfare of captive primates.
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Fisher, David Newton. "Social networks and individual behaviour variation in wild crickets". Thesis, University of Exeter, 2016. http://hdl.handle.net/10871/21128.
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Individuals engage in competitive and cooperative interactions with conspecifics. Furthermore, within any population of interacting individuals there are typically consistent differences among-individuals in behavioural traits. Understanding the importance of both these types of individual-specific behaviours allows us to understand why populations are structured as they are, why individuals show apparently limited behavioural flexibility, and how these elements link to population-level properties. I used extensive video camera monitoring of a population of wild field crickets (Gryllus campestris) to study the interactions and behaviours of uniquely identified individuals. I studied the shyness, activity and exploration of individuals of this population across contexts: from young to old and between captivity and the wild. This allowed me to confirm that individuals were relatively consistent across their adult lifetimes for all three traits, but only consistent between captivity and the wild for activity and exploration. I then found that high activity levels were positively related to high mating rates and short lifespans. Crucially, lifetime mating success was not related to activity level, indicating that the trade-off between lifespan and mating success was sufficient to allow variation in activity level to persist across generations. I also found that cricket social network structure is stable across generations despite the complete turnover of individuals every year. This social network structure influences sexual selection, with some male crickets heavily involved in networks of both pre- and post-copulatory competition, yet males are unable to use pre-copulatory competition to avoid post-copulatory competition. Additionally, positive assortment by mating rate between males and females may reduce the fitness of males with high mating rates, as they face stronger sperm competition. Finally, I used actor-based models to determine the factors predicting cricket social network structure and to test and reject the social-niche hypothesis for the maintenance of among-individual variation in behaviour. I also demonstrated that little else is needed in a stochastically changing network aside from positive assortment by mating rate to simulate a population with a similar skew in mating success to the one observed in the real cricket population. These results give insights into the importance of trade-offs and stochasticity in maintaining the extensive variation in the natural world.
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Burns, Zackory T. "Quantifying the sociality of wild tool-using New Caledonian crows through an animal-borne technology". Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:16db8026-53e4-4fb0-aa69-80d7cc34e183.
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New Caledonian crows (NC crows; Corvus moneduloides) are the most prolific avian tool-users and crafters, using up to three unique tool types derived from numerous plant materials. Since the discovery that wild populations of NC crows use and manufacture different tools in different locations with no measured environmental correlates to these distributions, the process by which NC crows acquire their tool-oriented behavior has been investigated. Two major findings were discovered in 2005: NC crows have a genetic predisposition to manipulate stick like objects, and they increase their rate of manipulation when exposed to social influences. Since then, much of the research into the sociality of wild NC crows has focused on direct social influences, especially the parent-juvenile relationship, yet no social network of wild NC crows has been described. In my thesis, I characterized a new proximity-logging device, Encounternet, and outline a four-step plan to assess error in animal borne devices; uncovered drivers, such as relatedness, space-use, and environmental factors, of wild NC crow sociality, and experimentally manipulated the social network, revealing immediate changes to the number of day-time and roosting partners, the breakdown of first-order relatedness driving sociality, and an increase in the amount of time NC crows associate; and revealed an indirect pathway via tools left behind by conspecifics allowing for the transmission of tool-properties between unrelated NC crows. Altogether, I furthered our understanding of wild NC crow sociality through the use of an animal-borne device, experimental manipulation in the wild measuring the response of the NC crow social network, and demonstrated the utility of animal-borne devices in mapping the network of a population of wild birds.
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Bashaw, Meredith J. "Social behavior and communication in a herd of captive giraffe". Diss., Available online, Georgia Institute of Technology, 2004:, 2003. http://etd.gatech.edu/theses/available/etd-04082004-180020/unrestricted/bashaw%5Fmeredith%5Fj%5F200312%5Fphd.pdf.
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Tighe, Emily Jayne. "The effects of captivity on display-based communication and social interaction in the captive African wild dog (Lycaon pictus)". Thesis, University of Canterbury. Biological Sciences, 2013. http://hdl.handle.net/10092/8676.
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The obligate cooperative nature of African wild dogs (Lycaon pictus), unique among social canids, is thought to be driven by high levels of interspecific competition and intra-guild predation with other large socially-organised predators. Research exploring how wild dogs maintain social bonds through social communication, while avoiding detection from potential competitors, is therefore vital for understanding this species. While olfactory and vocal communications are well represented in the literature concerning L. pictus, these channels of communication pose significant risks to wild dog survival, as they are inherently susceptible to eavesdropping by unintended receivers. In comparison, display communication, which requires visual contact between the signaller and receiver, poses comparatively less risk of attracting the attention of eavesdroppers. In spite of this, few studies have explored the use of display communication in wild dogs, leaving its potential significance in maintaining social bonds within packs unexplored. Using video analysis, I investigate how display communication and subsequent social interaction are affected by several pressures of the captive environment. Captivity did not appear to affect the presence of many social display types also used by free-ranging wild dogs. However, sexual behaviour was absent from the study groups, likely due to the use of contraception and pack sex composition. The effects of pack sex composition (single-sex versus mixed-sex) revealed that while the frequencies and durations of many social behaviours were not affected by sex composition, the distribution of social interactions did differ depending on group structure. Here, a highly related, single-sex group was more stable than a highly related, mixed-sex group of the same size. Differences in the captive management strategies, specifically enclosure size and feeding regime, of the two packs, may explain the behavioural differences observed. The death of a pack member permitted investigation of the effects of death on social interactions. While many of the social interactions were unaffected by the death, behaviours relating to the formation and maintenance of social dominance and social hierarchy increased after the dog’s death. The distribution of social interactions was non-random, suggesting that individuals were reorganising the social structure of the pack during this period. Finally, a small study into the effects of simultaneously added enrichments in the pack (post death) revealed that enrichment reduced the frequencies of dominance behaviours and allowed for a more even distribution of social interaction within the pack. This demonstrates how enrichment may potentially be used to reduce aggression within captive animals. Overall, this research reveals that display-based communication is important for the maintenance of sociality in captive African wild dogs. To better understand this endangered species, future studies in free-ranging populations should include this channel of communication.
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Hayes, Richard Andrew, of Western Sydney Hawkesbury University, Faculty of Science and Technology i School of Science. "Semiochemicals and social signalling in the wild European rabbit (Oryctolagus cuniculus(L.)". THESIS_FST_SS_Hayes_R.xml, 2000. http://handle.uws.edu.au:8081/1959.7/371.
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The European rabbit lives in defined social groups of between two and about twenty individuals. There are distinct social hierarchies within each group. Rabbits are known to scent-mark their environment with secretions from several glands, and the secretion of the submandibular cutaneous gland is strongly correlated with social status. Dominant, male rabbits have a higher secretory activity of the gland, and show much more scent-marking behaviour than do any other individuals within the social group. This study was principally conducted at Hope Farm, Cattai National Park in New South Wales, Australia.The proteinaceous components of the secretion varied between individuals, but the protein profile of an individual did not change over time.It was found that dominant rabbits chin mark preferentially at the entrances to warrens, and at the boundaries of their territory.The work in this study provides new insights into the way that rabbit semiochemical messages work. The difference between the secretion of a subordinate and a dominant rabbit appears to be due to the presence or absence of one compound, 2-phenoxy ethanol. This compound, with known fixative properties, supports the idea that the only difference between dominant and subordinate secretions is whether or not they persist in the environment after marking. Such a mechanism for asserting dominance may be much more common in mammals than is apparent from the published literatureDoctor of Philosophy (PhD)
Książki na temat "Animal behaviour in the wild"
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Portraits in the wild: Animal behaviour in East Africa. London: Elm Tree, 1989.
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Kratt, Martin. Wild animal babies! New York, NY: Random House Children's Books, 2016.
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Catherine, Chermayeff, red. Wild love. San Francisco: Chronicle Books, 1994.
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Sommerville, Rebecca, red. Changing human behaviour to enhance animal welfare. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789247237.0000.
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Abstract This 183-paged book covers ways to improve welfare in situations where there is no large corporate buyer to enforce standards. Many of the chapters in the book cover working equids or village dogs. This requires a totally different approach compared to working with corporate supply managers. Many of the chapters describe successful work in low-income areas of countries such as Pakistan, Nigeria, India or Ethiopia. It has a total of 11 chapters and is essential reading for people who are working to improve animal welfare in the local animals in a low-income area or developing country. It will also be helpful for people working in zoos or animal shelters. It is aimed at readers who are working directly with the people who care for the animals.
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Bekoff, Marc. Wild Justice. Chicago: University of Chicago Press, 2009.
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The angel and the wild animal. New York: Atheneum, 1989.
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Foreman, Michael. The angel and the wild animal. London: Andersen, 1988.
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Foreman, Michael. The angel and the wild animal. London: Arrow, 1989.
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Hauser, Marc D. Wild minds: What animals really think. London: Penguin, 2001.
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Carlson, Kit. Bringing up baby: Wild animal families. [Bethesda, MD]: Discovery Channel Pub., 1998.
Znajdź pełny tekst źródłaCzęści książek na temat "Animal behaviour in the wild"
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Smith, K. W. "Wild birds". W Video Techniques in Animal Ecology and Behaviour, 113–23. Dordrecht: Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-0699-3_6.
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Hansson, Lennart. "Diet Selection in Wild Animals". W Animal Models — Disorders of Eating Behaviour and Body Composition, 69–82. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-015-9662-6_4.
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Blankenhorn, Wolf. "The quantitative study of sexual and natural selection in the wild and in the laboratory". W Animal Behaviour: Evolution and Mechanisms, 301–27. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-02624-9_11.
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Sommerville, Rebecca. "The need for recognition of practical animal welfare as a profession." W Changing human behaviour to enhance animal welfare, 1–19. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789247237.0001.
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Abstract This introductory chapter describes the contents of the other chapters in this book, including the scientific theories and principles that underpin human behaviour and systemic change to enhance companion, farm, working and wild animal welfare, and the realities in practice, based on the work experiences of animal welfare practitioners in different sectors.
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Lucion, Aldo B., i Rosa M. M. de Almeida. "Role of the Intruder in the Aggressive Behaviour of Colonies of Wild Rats (Rattus Norvegicus)". W Animal Models in Psychopharmacology, 347–56. Basel: Birkhäuser Basel, 1991. http://dx.doi.org/10.1007/978-3-0348-6419-0_34.
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Williams, Shereene, i Laura Skippen. "Strengthening existing healthcare systems for sustainable animal welfare." W Changing human behaviour to enhance animal welfare, 161–77. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789247237.0011.
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Abstract More can be achieved by working with what is already in place, compared with creating new systems that undermine local systems and traditions. However, creating lasting improvements in animal health systems at a national level is an ambitious task. Last-mile human healthcare is a key issue in the drive to achieve universal health coverage for all people and looking to the ways that humanitarian agencies are trying to achieve this will be key in driving this forwards for all animals in the future. To push animal welfare up the global agenda and create a catalyst for change, referencing solely animal welfare is not enough. Drawing on linkages between people, the planet and animals is essential.
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Brown, Ashleigh F. "The animals powering the world: promoting working animal welfare in resource-poor contexts." W Changing human behaviour to enhance animal welfare, 141–60. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789247237.0010.
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Abstract This chapter will explore the welfare challenges working animals face and how to ameliorate these through the application of animal welfare science and supporting others to develop this knowledge.
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Heisenberg, Martin. "The Origin of Freedom in Animal Behaviour". W Is Science Compatible with Free Will?, 95–103. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-5212-6_7.
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Broom, Donald M. "Welfare of cats." W Broom and Fraser’s domestic animal behaviour and welfare, 392–96. Wyd. 6. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789249835.0040.
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Abstract This chapter discusses welfare issues in cats on the following aspects: domestication and breeding; mutilations of cats for the convenience of its owners; unwanted cats and methods of killing; behaviour problems; managing impacts of cats on wild animals; inappropriate feeding; and inadequate treatment of diseases.
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Berg, Judith K. "Behaviour of the Japanese serow (Capricornis crispus) at the San Diego Wild Animal Park". W The Biology and Management of Capricornis and Related Mountain Antelopes, 165–81. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-011-8030-6_14.
Pełny tekst źródłaStreszczenia konferencji na temat "Animal behaviour in the wild"
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Vretemark, Maria. "Evidence of animal offerings in Iron Age Scandinavia". W Bones, behaviour and belief. The osteological evidence as a source for Greek ritual practice. Swedish Institute at Athens, 2013. http://dx.doi.org/10.30549/actaath-4-55-06.
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Written contemporary sources of animal sacrificial rituals in Iron Age Scandinavia are almost non-existent. However, we have some rare descriptions about the people of northern Europe from Roman historians. Most famous of these is of course Tacitus who gives us valuable information about life in Scandinavia during the first century AD. Among other things we learn about fertility rituals carried out in sacrificial bogs and we understand the close connection between the goddess and water. Tacitus’ descriptions, as well as younger sources such as the Old Norse religious texts of Scandinavia, also clearly tell us about the magic role of different animals such as birds, wild boar, wolf and horse. In the archaeological material we try to recognize traces of religious acts that once took place. But how can we tell the difference and distinguish between the remains of ritual animal offerings on one hand and the normal kitchen waste on the other? This paper deals with some examples of horse offerings in bogs and ponds and with ritual deposits of animal bones in dry settlement contexts in Sweden. Zooarchaeological analysis gives us valuable data and a key to interpret the animal bone assemblages as evidence of animal offerings.
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MacKinnon, Michael. "“Side” matters: animal offerings at ancient Nemea". W Bones, behaviour and belief. The osteological evidence as a source for Greek ritual practice. Swedish Institute at Athens, 2013. http://dx.doi.org/10.30549/actaath-4-55-11.
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As the locus of the Nemean games, Ancient Nemea was an important Greek cult and festival center, especially during the Archaic period (6th–5th century BC). Examination of excavated faunal materials deriving from “sacred” and “secular” contexts at the site yields clues about the distribution of meat to gods (such as Zeus, the patron deity of the area), to heroes (in this case Opheltes, on whose legendary death the Nemean Games were founded), and to the mortal officials, spectators, and athletes participating in the events at Nemea. As regards “sacrificial” assemblages, most of which consisted of bone remains of burnt offerings as collected from altars and other ritual-type contexts, the data indicate a preference for sheep as the standard sacrificial animal, but show a definite preference for the hind limb sections of the left side in the case of sacrifice to the hero Opheltes, as opposed to the god Zeus. “Secular” deposits show different trends, such as the presence of unburnt bones, or the remains of wild animals and fish, taxa not typically sacrificed in Greek antiquity. Examination of zooarchaeological remains from various contexts at the site, at one level, and across other sites, at a larger level, helps develop a larger more integrated picture of animal use in ancient Greek cult practices.
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Chiverton, John, Jerome Micheletta i Bridget Waller. "Detecting and Tracking Bottoms and Faces of the Crested Black Macaque in the Wild". W Machine Vision of Animals and their Behaviour Workshop 2015. British Machine Vision Association, 2015. http://dx.doi.org/10.5244/c.29.mvab.9.
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Camal, Luis, Anup Kirtane, Teresa Blanco, Roberto Casas, Federico Rossano i Baris Aksanli. "A Wearable Device Network to Track Animal Behavior and Relationships in the Wild". W 2019 IEEE 10th Annual Ubiquitous Computing, Electronics & Mobile Communication Conference (UEMCON). IEEE, 2019. http://dx.doi.org/10.1109/uemcon47517.2019.8992986.
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Magnell, Ola. "The taphonomy of ritual bone depositions. An approach to the study of animal bones and ritual practice with an example from Viking Age Frösö, Sweden". W Bones, behaviour and belief. The osteological evidence as a source for Greek ritual practice. Swedish Institute at Athens, 2013. http://dx.doi.org/10.30549/actaath-4-55-10.
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In this paper an approach to studying ritual bone depositions by reconstructing the taphonomic history of the zooarchaeological remains is presented. By methodically examining the taphonomic evidence from the chain of events, from the selection of animals to the killing, from the processing and utilization of the carcass to the deposition of the bones, different stages of a ritual, such as animal sacrifice, can be studied and understood. A bone assemblage from a Viking Age cult place at Frösö church in Jämtland in central Sweden (late 10th–early 11th century AD) will serve as an example of the approach. The analysis shows that brown bear and piglets were specifically selected to be used in the rituals, while horses were not important sacrificial animals in the cult, as has otherwise been indicated by written sources. Seasonal analysis indicates that sacrifices took place at three periods of the year. Butchering marks reveal the intense utilization of the carcasses and that meat was consumed. Body part frequency shows that bears were treated differently from other species, which could be the result of an influence of Saami ritual practice. The bones were deposited on the ground beneath a birch tree and carcasses were not hung in the tree as some written sources indicate.
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Trantalidou, Katerina. "Dans l’ombre du rite : vestiges d’animaux et pratiques sacrificielles en Grèce antique. Note sur la diversité des contextes et les difficultés de recherche rencontrées". W Bones, behaviour and belief. The osteological evidence as a source for Greek ritual practice. Swedish Institute at Athens, 2013. http://dx.doi.org/10.30549/actaath-4-55-07.
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In all ancient civilisations, as well as in numerous contemporary societies, animals were implicated in many aspects of religion. Sacrifice and alimentary rituals regulated social life and animals underwent diverse treatments in accordance with particular cults. Zooarchaeological material constitutes direct evidence for animals that were slaughtered and often eaten in a sacred context. Also, the status of a departed person in life could be indicated by the faunal and vegetal funerary offerings that accompanied him or her to the grave. Still, it is not possible to ascribe every zooarchaeological deposit showing unusual characteristics a religious significance, nor does all animal bone assemblages found in a sanctuary constitute the remains of a sacrifice. The interpretation must rest on the interaction between the archaeological context, the taphonomy and the iconographical and literary sources relevant for the particular society. The present article aims at exploring existing hypotheses concerning the zooarchaeological evidence by posing questions and confronting the Greek prehistoric and historical material, as ritual practices were neither static nor linear. This discussion brings to bear on the most recent discoveries, partly still unpublished. Examination of the zooarchaeological evidence from 63 sites allows us to conclude that focus on a particular criterion can result in misinterpretations, as what was common practice in one community was not necessarily so in another. The definition of the actual length of every event is also paramount. Only a careful stratigraphic and zooarchaeological methodology, combined with a multitude of questions posed, will yield information precise enough to determine the species, reconstruct the practices and reformulate our questions.
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Theodoropoulou, Tatiana. "The sea in the temple? Shells, fish and corals from the sanctuary of the ancient town of Kythnos and other marine stories of cult". W Bones, behaviour and belief. The osteological evidence as a source for Greek ritual practice. Swedish Institute at Athens, 2013. http://dx.doi.org/10.30549/actaath-4-55-15.
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A broad variety of animal remains have been recorded from several cult contexts across Greece. They usually involve sacrificial victims and a variety of animals, and often corroborate ancient sources on the use of animals in ancient Greek cult. Although zooarchaeological or textual evidence regarding the presence of marine faunas in this type of contexts is not missing, their specific role within the sacrificial sphere is usually not extensively discussed. This paper aims to bring together available shell and other marine evidence from sanctuary deposits from ancient Greece with the aim of exploring the role of the sea within Greek cult. In order to bring forward research questions related to this group of remains from cult places, a case study from the adyton of the Archaic–Hellenistic temple of the Middle Plateau in the ancient town of Kythnos in the Cyclades will serve as the backbone of this approach. Careful study of shell and other marine remains in their specific context aims to detect possible ritual actions related to the marine world within an island sanctuary, and to find possible links between the latter and the identity of the worshippers and worshipped deity. What is underlined by this study is the everyday, individual and personal aspect of the cult beyond the official function of sanctuaries in the Greek world. The importance of careful recovery and study of all types of remains from excavations related to cult places is highlighted.
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Peteley, Attila, Adrian Nita, Hunor-Flaviu Crisan, Vasile Mara i Lorant Balint-Balint. "THE DOUBLE SIDED IMPACT OF BEAR WATCHING IN THE GIURGEU BASIN, ROMANIA". W 22nd SGEM International Multidisciplinary Scientific GeoConference 2022. STEF92 Technology, 2022. http://dx.doi.org/10.5593/sgem2022/5.1/s20.059.
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Sustainability within a region is achieved by providing a variety of services regarding the tourism products within an area. The Giurgeu basin in order to be able to sustain its values, needs to offer a wide variety of services that attract and increase the overnight stay of tourists. The services needed to be diversified with the beginning of the pandemic season of 2020 - 2022. These services existed before, but during the pandemic period, where the tourism suffered the most, it became evident that the entrepreneurs needed to find other means of attracting people. For more than two years the tourism needed to adapt, and to try to attract clients from the domestic market. The services needed to be targeted mainly towards the Romanian market. The entrepreneurs needed to provide new packages. In this paper we would like to analyze the perspective of offering special tourism packages that include wildlife watching trips in the depression, to observe the wildlife from safe locations. These trips are called bear watching�s, where the tourists go into the wilderness and from safe, specifically built locations observe the big games from a close distance. These games include the main attraction the brown bears, and most of the times the other big animals are present as well meaning the Carpathian stag, the common deer, the wild boar, the red fox, rabbit, a variety of birds. The animals are attracted by the abundance of food sources present at these feeders. The tourists come here to see these animals. We would like to analyze the impact of the animal watching�s on the tourism, and the impact of the tourism on the behavior and existential habits of the wild animals of the area. We conclude that sustaining such activities is not having a benefic impact on the existing wildlife�s existential habits and alters their seasonal behavior resulting in long lasting changes that impact generations of animals and the relationship between the wild animals and the inhabiting local population.
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Cliche, Francis, Jean-Marc Mac-Thiong i Yvan Petit. "Anterior Spinal Cord Contusion on Porcine Model". W ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-38874.
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Animal models are commonly used to study spinal cord injuries (SCI). These models aim to better understand the traumatic behaviour of the spinal cord in vivo. However, experimental SCI models usually simulate a posterior contusion of the spinal cord on small animals, which do not reproduce completely the SCI mechanisms in humans. The objectives of the study are: 1) to develop an experimental anterior contusion of the spinal cord on porcine models, and 2) to compare biomechanical differences between ventral and dorsal approaches. A total of 6 specimens were tested in vivo with a drop weight bench test. Impacts were produced at T10 with 5mm diameter impactor of 50g and dropped from a height of 100mm. Compression time was set to 5min for 4 specimens (2 ventral, 2 dorsal) and 60min for 1 ventral and 1 dorsal. The outcome measures were the compression displacement, blood pressure, heart rate and macroscopic inspection of the spinal cord. This is the first study proposing an animal model of anterior SCI. Preliminary results suggest that there is a biomechanical difference between ventral and dorsal contusion approaches. A new bench test especially designed for ventral contusion will allow additional tests analyzing more variables, such as the motor evoked potentials and arterial blood flow.
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Mary G, Prema Arokia, Nithesh P S, Nanthini V i Thebiksha G V. "Wild Animal Detection System". W 2023 2nd International Conference on Advancements in Electrical, Electronics, Communication, Computing and Automation (ICAECA). IEEE, 2023. http://dx.doi.org/10.1109/icaeca56562.2023.10199701.
Pełny tekst źródłaRaporty organizacyjne na temat "Animal behaviour in the wild"
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Mengak, Michael T. Wildlife Translocation. U.S. Department of Agriculture, Animal and Plant Health Inspection Service, lipiec 2018. http://dx.doi.org/10.32747/2018.7210105.ws.
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Many people enjoy wildlife. Nationwide, Americans spend over $144 billion annually on fishing, hunting, and wildlife-watching activities. However, wildlife is not always welcome in or near homes, buildings, or other property and can cause significant damage or health and safety issues. Many people who experience a wildlife conflict prefer to resolve the issue without harming the offending animal. Of the many options available (i.e., habitat modification, exclusion, repellents) for addressing nuisance wildlife problems, translocation—capturing and moving—of the offending animal is often perceived to be effective. However, trapping and translocating wild animals is rarely legal nor is it considered a viable solution by wildlife professionals for resolving most nuisance wildlife problems. Reasons to avoid translocating nuisance wildlife include legal restrictions, disease concerns, liability issues associated with injuries or damage caused by a translocated animal, stress to the animal, homing behavior, and risk of death to the animal. Translocation is appropriate in some situations such as re-establishing endangered species, enhancing genetic diversity, and stocking species in formerly occupied habitats. The main focus of this publication, however, is to address nuisance wildlife issues that may be commonly encountered by homeowners and nuisance wildlife control professionals.
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Loehle, C. S. Social and behavioral barriers to pathogen transmission in wild animal populations. Office of Scientific and Technical Information (OSTI), grudzień 1988. http://dx.doi.org/10.2172/666220.
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Huijser, M. P., Robert J. Ament, M. Bell, A. P. Clevenger, E. R. Fairbank, K. E. Gunson i T. McGuire. Animal Vehicle Collision Reduction and Habitat Connectivity Pooled Fund Study – Literature Review. Nevada Department of Transportation, grudzień 2021. http://dx.doi.org/10.15788/ndot2021.12.
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This report contains a summary of past research and new knowledge about the effectiveness of mitigation measures aimed at reducing animal-vehicle collisions and at providing safe crossing opportunities for wildlife. The measures are aimed at terrestrial large bodied wild mammal species, free roaming large livestock species (e.g. cattle, horses), free roaming large feral species (e.g. “wild” horses and burros), and small animal species (amphibians, reptiles, and small mammals). While mitigation is common, it is best to follow a three-step approach: avoidance, mitigation, and compensation or “off-site” mitigation. If reducing collisions with large wild mammals is the only objective, the most effective measures include roadside animal detection systems, wildlife culling, wildlife relocation, anti-fertility treatments, wildlife barriers (fences),and wildlife fences in combination with wildlife crossing structures. If the objectives also include maintaining or improving connectivity for large wild mammals, then wildlife barriers (fences) in combination with wildlife crossing structures are most effective. Measures for large domestic mammal species are largely similar, though for free roaming livestock there are legal, moral and ethical issues. For small animal species, temporary or permanent road closure and road removal are sometimes implemented, but barriers in combination with crossing structures are the most common.
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Brosh, Arieh, Gordon Carstens, Kristen Johnson, Ariel Shabtay, Joshuah Miron, Yoav Aharoni, Luis Tedeschi i Ilan Halachmi. Enhancing Sustainability of Cattle Production Systems through Discovery of Biomarkers for Feed Efficiency. United States Department of Agriculture, lipiec 2011. http://dx.doi.org/10.32747/2011.7592644.bard.
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Feed inputs represent the largest variable cost of producing meat and milk from ruminant animals. Thus, strategies that improve the efficiency of feed utilization are needed to improve the global competitiveness of Israeli and U.S. cattle industries, and mitigate their environmental impact through reductions in nutrient excretions and greenhouse gas emissions. Implementation of innovative technologies that will enhance genetic merit for feed efficiency is arguably one of the most cost-effective strategies to meet future demands for animal-protein foods in an environmentally sustainable manner. While considerable genetic variation in feed efficiency exist within cattle populations, the expense of measuring individual-animal feed intake has precluded implementation of selection programs that target this trait. Residual feed intake (RFI) is a trait that quantifies between-animal variation in feed intake beyond that expected to meet energy requirements for maintenance and production, with efficient animals being those that eat less than expected for a given size and level of production. There remains a critical need to understand the biological drivers for genetic variation in RFI to facilitate development of effective selection programs in the future. Therefore, the aim of this project was to determine the biological basis for phenotypic variation in RFI of growing and lactating cattle, and discover metabolic biomarkers of RFI for early and more cost-effective selection of cattle for feed efficiency. Objectives were to: (1) Characterize the phenotypic relationships between RFI and production traits (growth or lactation), (2) Quantify inter-animal variation in residual HP, (3) Determine if divergent RFIphenotypes differ in HP, residual HP, recovered energy and digestibility, and (4) Determine if divergent RFI phenotypes differ in physical activity, feeding behavior traits, serum hormones and metabolites and hepatic mitochondrial traits. The major research findings from this project to date include: In lactating dairy cattle, substantial phenotypic variation in RFI was demonstrated as cows classified as having low RMEI consumed 17% less MEI than high-RMEI cows despite having similar body size and lactation productivity. Further, between-animal variation in RMEI was found to moderately associated with differences in RHP demonstrating that maintenance energy requirements contribute to observed differences in RFI. Quantifying energetic efficiency of dairy cows using RHP revealed that substantial changes occur as week of lactation advances—thus it will be critical to measure RMEI at a standardized stage of lactation. Finally, to determine RMEI in lactating dairy cows, individual DMI and production data should be collected for a minimum of 6 wk. We demonstrated that a favorably association exists between RFI in growing heifers and efficiency of forage utilization in pregnant cows. Therefore, results indicate that female progeny from parents selected for low RFI during postweaning development will also be efficient as mature females, which has positive implications for both dairy and beef cattle industries. Results from the beef cattle studies further extend our knowledge regarding the biological drivers of phenotypic variation in RFI of growing animals, and demonstrate that significant differences in feeding behavioral patterns, digestibility and heart rate exist between animals with divergent RFI. Feeding behavior traits may be an effective biomarker trait for RFI in beef and dairy cattle. There are differences in mitochondrial acceptor control and respiratory control ratios between calves with divergent RFI suggesting that variation in mitochondrial metabolism may be visible at the genome level. Multiple genes associated with mitochondrial energy processes are altered by RFI phenotype and some of these genes are associated with mitochondrial energy expenditure and major cellular pathways involved in regulation of immune responses and energy metabolism.
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Huijser, Marcel, E. R. Fairbank i K. S. Paul. Best Practices Manual to Reduce Animal-Vehicle Collisions and Provide Habitat Connectivity for Wildlife. Nevada Department of Transportation, wrzesień 2022. http://dx.doi.org/10.15788/ndot2022.2.
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The goal for this manual is to provide practical information for the implementation of mitigation measures that aim to: 1. Improve human safety through reducing collisions with large animals, including large wild mammal species, select free roaming large feral species, and select free roaming large livestock species, and 2. Improve or maintain habitat connectivity for terrestrial wildlife species and selected feral species through safe crossing opportunities. This manual does not include all possible measures that can or may reduce animal-vehicle collisions and maintain or improve habitat connectivity for wildlife. The measures included in this manual are: Barriers (fences) in combination with crossing structures (for large wild mammals and for small wild animal species), roadside animal detection system, Barriers (fences), Barriers (fences) in combination with crossing structures (for free roaming livestock), and culling, relocation, anti-fertility treatment, roadside animal detection systems, barriers (fences), and barriers (fences) in combination with crossing structures (for large feral mammal species such as feral horses and burros).
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Morphett, Jane, Alexandra Whittaker, Amy Reichelt i Mark Hutchinson. Perineuronal net structure as a non-cellular mechanism of affective state, a scoping review. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, sierpień 2021. http://dx.doi.org/10.37766/inplasy2021.8.0075.
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Is the perineuronal net structure within emotional processing brain regions associated with changes in affective state? The objective of this scoping review is to bring together the literature on human and animal studies which have measured perineuronal net structure in brain regions associated with emotional processing (such as but not limited to amygdala, hippocampus and prefrontal cortex). Perineuronal nets are a specialised form of condensed extracellular matrix that enwrap and protect neurons (Suttkus et al., 2016), regulate synaptic plasticity (Celio and Blumcke, 1994) and ion homeostasis (Morawski et al., 2015). Perineuronal nets are dynamic structures that are influenced by external and internal environmental shifts – for example, increasing in intensity and number in response to stressors (Blanco and Conant, 2021) and pharmacological agents (Riga et al., 2017). This review’s objective is to generate a compilation of existing knowledge regarding the structural changes of perineuronal nets in experimental studies that manipulate affective state, including those that alter environmental stressors. The outcomes will inform future research directions by elucidating non-cellular central nervous system mechanisms that underpin positive and negative emotional states. These methods may also be targets for manipulation to manage conditions of depression or promote wellbeing. Population: human and animal Condition: affective state as determined through validated behavioural assessment methods or established biomarkers. This includes both positive and negative affective states. Context: PNN structure, measuringPNNs.
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Jung, Carina, Matthew Carr, Denise Lindsay, Eric Fleischman i Chandler Roesch. Microbiome perturbations during domestication of the green June beetle (Cotinis nitida). Engineer Research and Development Center (U.S.), luty 2022. http://dx.doi.org/10.21079/11681/43342.
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Animal-associated microbiomes are critical to the well-being and proper functioning of the animal host, but only limited studies have examined in-sect microbiomes across different developmental stages. These studies revealed large shifts in microbiome communities, often because of significant shifts in diet during insects’ life cycle. Establishing insect colonies as model laboratory organisms and understanding how to properly feed and care for animals with complex and dynamic life cycles requires improved data. This study examined laboratory raised green June beetles (Cotinis nitida) captured from the field upon emergence from pupae. Starting with wild-caught adults, two generations of beetles were reared in the laboratory, ending with an entirely laboratory raised generation of larvae. The study compared the microbiomes of each generation and the microbiomes of larvae to adults. This study suggests that a diet of commercial, washed fruit for adults and commercial, packaged, organic alfalfa meal for larvae resulted in depauperate gut microbiome communities. Fermentative yeasts were completely absent in the laboratory-raised adults, and major bacterial population shifts occurred from one generation to the next, coupled with high morbidity and mortality in the laboratory-raised generation. Providing laboratory-raised beetles fresh-collected fruit and the larvae field-harvested detritus may therefore vastly improve their health and survival.
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Huijser, MP, J. W. Duffield, C. Neher, A. P. Clevenger i T. Mcguire. Final Report 2022: Update and expansion of the WVC mitigation measures and their cost-benefit model. Nevada Department of Transportation, październik 2022. http://dx.doi.org/10.15788/ndot2022.10.
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This report contains an update and an expansion of a cost-benefit model for wildlife-vehicle collisions and associated mitigation measures along highways, that was originally calculated in 2007 US$ and published in 2009. The direct cost values (vehicle repair, human injuries, human fatalities) were updated for deer, elk, and moose, and expanded by including additional species: gray wolf (Canis lupus), grizzly bear (Ursus arctos), and free ranging or feral domesticated species including cattle, horse, and burro. The costs associated with collisions were also expanded by including passive use, or nonuse values associated with the conservation value of selected wild animal species. The total costs (in 2020 US$) associated with a collision with deer, elk and moose were about 2-3 times (direct costs only) or about 3-4 times higher (direct costs and passive use values combined) compared to the values in 2007 US$. The passive use costs associated with threatened species (wolf, grizzly bear) were higher or much higher than the direct costs. The costs associated with mitigation measures (especially fences and wildlife crossing structures) were also updated and supplemented with new data. New cost-benefit analyses generated updated or entirely new threshold values for deer, elk, moose, and grizzly bear. If collisions with these large wild mammal species reach or surpass the threshold values, it is economically defensible to install the associated type and combination of mitigation measures, both based on direct use and passive use parameters and their associated values. The trend in increasing costs associated with vehicle repair costs, costs associated with human injuries and fatalities, and through including passive use values for wildlife is that we learn that the implementation of effective mitigation measures can be considered earlier and more readily than based on the cost-benefit model published in 2009.
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Mwebe, Robert, Chester Kalinda, Ekwaro A. Obuku, Eve Namisango, Alison A. Kinengyere, Moses Ocan, Ann Nanteza, Savino Biryomumaisho i Lawrence Mugisha. Epidemiology and effectiveness of interventions for Foot and Mouth Disease in Africa: A protocol for systematic review and meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, listopad 2022. http://dx.doi.org/10.37766/inplasy2022.11.0039.
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Review question / Objective: What is the epidemiology and effectiveness of control measures for foot and mouth disease in African countries?’ PICOS: Description of elements Population/ problem/Setting: Artiodactyla (cloven ungulates), domestic (cattle, sheep, goats, and pigs), camels and wildlife (buffaloes, deer, antelope, wild pigs, elephant, giraffe, and camelids) affected by Foot and Mouth Disease (FMD) or Hoof and Mouth Disease (HMD) caused by the Foot and Mouth Disease Virus (FMDV) in Africa. Intervention: Prevention measures: vaccination, ‘biosafety and biosecurity’, sensitization of the public. Control measures: quarantine, movement control, closure of markets and stock routes, mouth swabbing of animals with infected materials (old technique that is no long applicable), culling, mass slaughter, stamping out and any other interventions or control measures generally accepted by the ‘community of practice’ of animal health practitioners. Comparator: areas that did not have any control activities for FMD, in head-to-head comparisons in the same study. Outcome: epidemiological outcomes: incidence, prevalence, patterns or trends, clinical symptoms, and risk factors. Effectiveness outcomes: success, and usefulness of the interventions measured as averted deaths, illness and infections, and costs associated with the interventions (cost–effectiveness). Study design: epidemiological designs include cohort design for incidence, cross sectional for prevalence and case-control for clinical symptoms and risk factors. Interventional designs include randomized controlled trials, cluster randomized trials, quasi-experimental designs – controlled before and after, interrupted time series, [regression discontinuity design, difference-in-difference, and propensity score matching]. Timelines: 1900 – 2022.
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Chiel, Elad, i Christopher J. Geden. Development of sustainable fly management tools in an era of global warming. United States Department of Agriculture, styczeń 2014. http://dx.doi.org/10.32747/2014.7598161.bard.
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House flies (Muscadomestica) are global pests of animal agriculture, causing major annoyance, carrying pathogens among production facilities and humans and thus have profound impacts on animal comfort and productivity. Successful fly control requires an integrated pest management (IPM) approach that includes elements of manure management, mass trapping, biological control, and selective insecticide use. Insecticidal control of house flies has become increasingly difficult due to the rapidity with which resistance develops, even to new active ingredients. Global climate change poses additional challenges, as the efficacy of natural enemies is uncertain under the higher temperatures that are predicted to become more commonplace in the future. The two major objectives of this research project were: 1) to develop a cost-effective autodissemination application method of Pyriproxifen (PPF), an insect growth regulator, for controlling house flies; 2) to study the effect of increasing temperatures on the interactions between house flies and their principal natural enemies. First, we collected several wild house fly populations in both countries and established that most of them are susceptible to PPF, although one population in each country showed initial signs of PPF-resistance. An important finding is that the efficacy of PPF is substantially reduced when applied in cows’ manure. We also found that PPF is compatible with several common species of parasitoids that attack the house fly, thus PPF can be used in IPM programs. Next, we tried to develop “baited stations” in which house flies will collect PPF on their bodies and then deliver and deposit it in their oviposition sites (= autodissemination). The concept showed potential in lab experiments and in outdoor cages trials, but under field conditions the station models we tested were not effective enough. We thus tested a somewhat different approach – to actively release a small proportion of PPF-treated flies. This approach showed positive results in laboratory experiments and awaits further field experiments. On the second topic, we performed two experimental sets: 1) we collected house flies and their parasitoids from hot temperature and mild temperature areas in both countries and, by measuring some fitness parameters we tested whether the ones collected from hot areas are better adapted to BARD Report - Project 4701 Page 2 of 16 heat. The results showed very little differences between the populations, both of flies and parasitoids. 2) A “fast evolution” experiment, in which we reared house flies for 20 generations under increasing temperatures. Also here, we found no evidence for heat adaptation. In summary, pyriproxyfen proved to be a highly effective insect growth regulator for house flies that is compatible with it’s natural enemies. Although our autodissemination stations yielded disappointing results, we documented the proportion of flies in a population that must be exposed to PPF to achieve effective fly control. Both the flies and their principal parasitoids show no evidence for local adaptation to high temperatures. This is an encouraging finding for biological control, as our hypothesis was that the fly would be adapting faster to high temperatures than the parasitoids. BARD Report - Project 4701 Page 3 of 16