Relevant bibliographies by topics / Exotic mammals

Academic literature on the topic 'Exotic mammals'

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Published: 4 June 2021
Last updated: 9 February 2022

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Journal articles on the topic "Exotic mammals"

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Burbidge, A. A. "Conservation Values and Management of Australian Islands for Non-Volant Mammal Conservation." Australian Mammalogy 21, no. 1 (1999): 67. http://dx.doi.org/10.1071/am99067.

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At least 16 species of Australian mammals have become extinct over the past 200 years. Without islands, however, this figure would be even worse as nine species that were formerly widespread on mainland Australia were or are restricted to land-bridge islands. In addition, 13 species and subspecies of endangered and vulnerable mainland mammals that still occur on the mainland have island populations, reducing their chance of extinction. In all, 43 islands protect 29 taxa of Australian threatened mammals. Since European settlement some island mammal populations have become extinct, while many new populations, of both Australian and exotic mammals, have been established. The extinction of island native mammal populations is significantly correlated with the introduction of exotic mammals. Management of islands needs to concentrate on four areas: quarantine, monitoring (of both native mammals and possible introduction of exotics), eradication of exotics and translocations of native species. Prevention of introduction and establishment of further exotics to important islands through quarantine procedures is vital, especially for islands with permanent or temporary human habitation. Eradication or control of existing exotics is required for many islands and eradication of further introductions, as soon after detection as possible, should be a high priority action for nature conservation agencies. Past exotic mammal eradications and needs for the future are discussed. Translocations of island mammal populations to the mainland should take place only where the species is extinct on the mainland. Translocation to islands, where translocation to or on the mainland is not feasible, is an important conservation technique. Islands with exotics can be of value for re-introduction of locally extinct mammals or introductions (marooning) of threatened species that are at risk from feral predators on the mainland once the exotics have been eliminated.
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Nuñez, Martin A., Jeremy Hayward, Thomas R. Horton, Guillermo C. Amico, Romina D. Dimarco, M. Noelia Barrios-Garcia, and Daniel Simberloff. "Exotic Mammals Disperse Exotic Fungi That Promote Invasion by Exotic Trees." PLoS ONE 8, no. 6 (June 24, 2013): e66832. http://dx.doi.org/10.1371/journal.pone.0066832.

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Fehr, Michael, and Saskia Koestlinger. "Ectoparasites in Small Exotic Mammals." Veterinary Clinics of North America: Exotic Animal Practice 16, no. 3 (September 2013): 611–57. http://dx.doi.org/10.1016/j.cvex.2013.05.011.

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BAKER, SIMON J. "Escaped exotic mammals in Britain." Mammal Review 20, no. 2-3 (June 1990): 75–96. http://dx.doi.org/10.1111/j.1365-2907.1990.tb00105.x.

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Novillo, Agustina, and Ricardo A. Ojeda. "The exotic mammals of Argentina." Biological Invasions 10, no. 8 (January 8, 2008): 1333–44. http://dx.doi.org/10.1007/s10530-007-9208-8.

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Bomford, Mary, Rebecca O. Darbyshire, and Lucy Randall. "Determinants of establishment success for introduced exotic mammals." Wildlife Research 36, no. 3 (2009): 192. http://dx.doi.org/10.1071/wr08055.

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We conducted comparisons for exotic mammal species introduced to New Zealand (28 successful, 4 failed), Australia (24, 17) and Britain (15, 16). Modelling of variables associated with establishment success was constrained by small sample sizes and phylogenetic dependence, so our results should be interpreted with caution. Successful species were subject to more release events, had higher climate matches between their overseas geographic range and their country of introduction, had larger overseas geographic range sizes and were more likely to have established an exotic population elsewhere than was the case for failed species. Of the mammals introduced to New Zealand, successful species also had larger areas of suitable habitat than did failed species. Our findings may guide risk assessments for the import of live mammals to reduce the rate new species establish in the wild.
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Huynh, Minh, and Charly Pignon. "Gastrointestinal Disease in Exotic Small Mammals." Journal of Exotic Pet Medicine 22, no. 2 (April 2013): 118–31. http://dx.doi.org/10.1053/j.jepm.2013.05.004.

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Johnson, Dan H. "Endoscopic Intubation of Exotic Companion Mammals." Veterinary Clinics of North America: Exotic Animal Practice 13, no. 2 (May 2010): 273–89. http://dx.doi.org/10.1016/j.cvex.2010.01.010.

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Jekl, Vladimir, Karel Hauptman, and Zdenek Knotek. "Video Otoscopy in Exotic Companion Mammals." Veterinary Clinics of North America: Exotic Animal Practice 18, no. 3 (September 2015): 431–45. http://dx.doi.org/10.1016/j.cvex.2015.04.003.

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Capello, Vittorio, and Angela M. Lennox. "Introduction: Dentistry of Exotic Companion Mammals." Journal of Exotic Pet Medicine 17, no. 2 (April 2008): 69. http://dx.doi.org/10.1053/j.jepm.2008.03.002.

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Dissertations / Theses on the topic "Exotic mammals"

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Lee, Elsa. "Colonization of exotic plantations by native plants and mammals in Hong Kong." Click to view the E-thesis via HKUTO, 2004. http://sunzi.lib.hku.hk/hkuto/record/B31194783.

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Lee, Elsa, and 李詠心. "Colonization of exotic plantations by native plants and mammals in Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B31194783.

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Berry, Christopher J. J. "Post-dispersal seed predation in a conifer-broadleaf forest remnant : the importance of exotic mammals." Lincoln University, 2006. http://hdl.handle.net/10182/666.

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Despite extensive international acceptance of the critical role of mammalian post-dispersal seed predation in many plant communities, in New Zealand we have limited knowledge of these predators’ influence on plant recruitment in our forests. The principle objective of my thesis was to determine the importance of exotic mammals as post-dispersal seed predators in a New Zealand conifer-broadleaf forest remnant. To address this goal, I used a series of field-based experiments where the actions of different post-dispersal seed predators were separated by wire-mesh exclosures. My study was conducted at Mount Peel Forest Park Scenic Reserve, South Canterbury, New Zealand. Being a human modified conifer forest currently dominated by broadleaf species, it is typical of forest remnants in New Zealand. This presented an opportunity to study a wide range of both potential post-dispersal seed predators and broadleaf tree species. My findings indicate that exotic mammals are not only post-dispersal seed predators at Peel Forest, but are responsible for the majority of post-dispersal predation events observed. Ship rats (Rattus rattus) were the dominant post-dispersal seed predators, while brushtail possums (Trichosurus vulpecula), house mice (Mus musculus) and native invertebrates were also important post-dispersal seed predators for several tree species. Through use of time-lapse video and cafeteria experiments I found that exotic mammalian seed predators, when compared to native invertebrate seed predators, preyed upon larger-seeded plant species and were responsible for considerable seed losses of several tree species. However, exotic mammalian seed predators do share several foraging characteristics with native invertebrate seed predators, as predators foraged in similar habitats and responded in a similar way to changes in seed density. In investigating if post-dispersal seed predation by mammals had a flow-on effect to plant recruitment, I observed natural seedling densities at Peel Forest were significantly higher in the absence of mammalian seed predators, but I found no evidence that the presence of mammals significantly altered the overall species richness. At the community level, I did not find an interaction between habitat and exotic mammals, however I present evidence that for individual plant species a significant mammal : habitat interaction occurred. Consequently, even though my cafeteria experiment implied there was no significant difference in the overall amount of seed preyed upon within different habitats, the less favourable microsite conditions for germination under an intact continuous canopy allows mammals to exacerbate habitat-related patterns of seed mortality and have a noticeable effect on seedling establishment. In an effort to validate the use of manipulative experiments to predict the long-term effect of post-dispersal seed predation on plant dynamics, I attempted to link results of my cafeteria experiment with observed seedling abundance at Peel Forest. Seven tree species were used in this comparison and a strong correlation was observed. This result shows that the level of post-dispersal seed predation determined in the cafeteria experiment provided a good predictor of the effect of mammalian post-dispersal seed predation on seedling establishment. To fully gauge the impact of mammalian post-dispersal seed predators on seedling establishment, the relationship between these seed predators and the type of recruitment limitation experienced by a plant species was also investigated. By using a combination of seed addition, plot manipulations and seed predator exclusion I was able to investigate this relationship. I found evidence that seed limitation at Peel Forest is positively correlated with seed size, and that while mammalian post-dispersal seed predators can further reduce plant recruitment of plant species experiencing seed limitation, the influence of mammals in determining plant recruitment was limited for plant species experiencing microsite limitation. My study has proven that exotic mammals are now the dominant post-dispersal seed predators at Peel Forest, the amount of seed preyed upon varies among plant species, and post-dispersal seed predation by mammalian species can lead to differences in seedling richness and abundance. I proved that the influence of exotic mammals on seedling establishment is also linked to habitat structure and recruitment limitations. When combined these observations suggest that exotic mammalian post-dispersal seed predators may play an important role in determining landscape abundance and distribution of plants at Peel Forest.
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Bishop, Tara Boyce. "Of Fire, Mammals, and Rain: Mechanisms of Plant Invasions." BYU ScholarsArchive, 2019. https://scholarsarchive.byu.edu/etd/8572.

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Biological invasions are driving environmental state changes on a global scale. Exotic plant species must be successful at passing several abiotic and biotic filters to establish and disrupt the native plant community assembly. Understanding where exotic plants are on a regional scale and being able to characterize how exotic plants are generally interacting with their environment is crucial information for exotic species management (chapter 1). In the western United States human-related activities are augmenting the spread of exotic plant species by increasing the ignitions of wildfire. Wildfire can lead to nutrient pulses through the removal of intact native communities and returning some mineral content into the soil. Exotic plant species that have traits that efficiently acquire nutrients accompanied by rapid growth rates may outcompete native plants. In chapters 2, 3, and 4 experimental fires demonstrated that the direct effect of fire may not be as critical as the potential indirect effects of fire such as altering the behavior of consumers (chapter 2) and reducing competition (chapters 3 and 4). In the Mojave desert, rodent consumers can have strong top-down effects on plant community assembly through foraging selection preferences. Life history traits such as seedling and seed size can lead to differential herbivory and positively benefit some plant species while inhibiting others (chapter 1) which could indirectly alter plant-plant interactions. Plant competition is a biotic filter than can determine establishment success or failure. Species that with rapid growth rates and plastic growth responses are likely to be able to capitalize on fluctuations in available resources. In the Great Basin, forecasts in climate change models predict that precipitation timing will lead to heavier fall rains and more rain than snow in the winter. Water availability is one of the main limiting factors in semi-arid and arid ecosystems where native plants have adaptive traits to maximize resource use. The interaction of wildfire and changes in climate, specifically timing of precipitation is critical to understand to be able to predict and protect against increasing wildfire frequency and severity. In chapter three, the responses by a key exotic annual grass, Bromus tectorum, and keystone native perennial shrub Artemisia tridentata subsp. wyomingensis, were positive for increased early fall precipitation but much more pronounced for B. tectorum. Exotic annual plants are able to respond to changes in timing of fall precipitation and have extreme growth which leads to superior competitive abilities through interference and priority effects (chapter 4). Native plants can compete with exotics but the magnitude of the effects are diminished compared to the negative interaction from exotics. Together these findings demonstrate that across several regions exotic annual grasses are capable of passing through abiotic filters and disrupting biotic interactions of the native plant community. This is likely to lead to increased spread of exotic annual species and may indicate potential and availability of fine fuel production supporting increases in size and frequency of wildfires in the western United States.
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Chen, Hsiang Ling. "Barrier Effects Of Roads And Traffic On Animal Occurrence, Space Use, And Movements." Diss., The University of Arizona, 2015. http://hdl.handle.net/10150/555947.

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Habitat fragmentation and destruction caused by linear infrastructure, including roads, railways, and power line corridors, are recognized as major threats to biodiversity around the world. Roads can act as barriers by impeding animal movement and restricting animal space use. An understanding of factors that influence barrier effects is important to discern the impacts of habitat fragmentation and to develop appropriate mitigation. The barrier effects of roads are driven by several distinct but not mutually exclusive mechanisms that include traffic, edge, and gap avoidance. We used an endangered forest obligate, the Mount Graham red squirrel (Tamiasciurus hudsonicus grahamensis), as our study organism to assess effects of traffic noise on animal occurrence and demonstrated that traffic noise had spatially extensive and negative effects on site occupancy after accounting for effects of distance from roads and the environment. We investigated barrier effects of forest roads and assessed effects of traffic, road edges, and canopy gaps on space use of Mt. Graham red squirrels and compared to the response of introduced, edge-tolerant Abert's squirrels (Sciurus aberti). Forest roads acted as partial barriers for red squirrels regardless of traffic volume likely due to avoidance of canopy gap created by roads, whereas Abert's squirrels showed no avoidance of roads. Therefore, roads restricted movement and space use of a native forest-dependent species while creating habitat preferred by an introduced, edge-tolerated species. Through a meta-analysis of studies that quantified road crossing behavior by mammals, we found that all types of roads, from major highways to narrow forest roads, can impede movement for certain species of mammals. Magnitude of barrier effects of roads decreased as species body mass increased, and was affected positively by increasing road width. We suggest that the species-specific magnitude of barrier effects of roads may be anticipated with basic information from life history traits and road characteristics that are readily accessed through open resources or easily measured.
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Gomes, André Guimarães. "Rastreio parasitológico em mamíferos exóticos atendidos no Hospital Escolar Veterinário da FMV-ULisboa." Master's thesis, Universidade de Lisboa, Faculdade de Medicina Veterinária, 2021. http://hdl.handle.net/10400.5/21438.

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Dissertação de Mestrado Integrado em Medicina Veterinária
RESUMO - A existência de animais exóticos enquanto animais de estimação é uma realidade cada vez maior, nomeadamente em Portugal (Ferreira 2017). Os pequenos mamíferos exóticos são exemplo disso, pois apresentam inúmeras características que os tornam excelentes animais de companhia. Assim, torna-se fundamental a aquisição de mais conhecimentos sobre estas espécies, nomeadamente na área da parasitologia, uma vez que estas podem ser portadoras de parasitas com potencial zoonótico, representando um risco para a saúde publica. O objetivo deste estudo foi realizar um rastreio parasitológico nos mamíferos exóticos observados no Hospital Escolar Veterinário da FMV-ULisboa e, desta forma, estimar a prevalência dos mesmos nestes animais. Foram colhidas amostras de 74 animais, nomeadamente coelhos, porquinhos-da-índia, furões, ratazanas, chinchilas e um hamster. Realizou-se a colheita de amostras de pelo, de pele para a pesquisa de ectoparasitas, e de fezes para a pesquisa de parasitas gastrointestinais e pulmonares. Foi, ainda, realizada a necropsia aos animais que faleceram durante o período em que o estudo decorreu. As preparações foram observadas ao microscópio ótico e, posteriormente, realizou-se a análise estatística dos resultados. Relativamente aos ectoparasitas, nos coelhos (n=37) observaram-se Cheyletiella parasitovorax (10,81%), Leporacarus gibbus (8,11%) e Psoroptes cuniculi (2,70%). Nos porquinhos-da-índia (n=19) detetaram-se Chirodiscoides caviae (15,79%) e Gliricola porcelli (5,26%). Nos furões (n=8) e nas ratazanas (n=6) observaram-se Otodectes cynotis (12,5%) e Polyplax spinulosa (16,67%), respetivamente. No único hamster amostrado detetou-se Ornithonyssus bacoti (100%). Nas chinchilas (n=3) não se observaram ectoparasitas. Quanto à presença de parasitas gastrointestinais, apenas foi detetado Passalurus ambiguus (2,70%) nos coelhos (n=37). Não foram encontrados parasitas pulmonares em nenhum animal. No que diz respeito à prevenção verificou-se que 51,35% dos animais não recebiam desparasitação externa e que 64,86% recebiam desparasitação interna. Concluiu-se que a espécie mais parasitada foi o coelho. A maioria dos ectoparasitas encontrada nesta espécie (C. parasitovorax e L. gibbus) bem como o ácaro encontrado no hamster (O. bacoti), apresentam potencial zoonótico, o que realça a importância da adoção de cuidados na manipulação destes animais e do cumprimento da desparasitação.
ABSTRACT - Screening for parasites in Exotic Mammals attended at the Veterinary School Hospital of FMV-ULisbon - The existence of exotic animals as pets is an increasing reality, namely in Portugal (Ferreira 2017). Small exotic mammals are an example of this, as they have numerous characteristics that make them excellent companion animals. Thus, it is essential to acquire more knowledge about these species, namely in the area of parasitology, since they may be carriers of parasites with zoonotic potential, representing a risk to public health. The aim of this study was to perform a screening for parasites in exotic mammals observed at the Veterinary Teaching Hospital of the FMV-ULisbon and, thus, to estimate their prevalence in these animals. Samples were taken from 74 animals, namely rabbits, guinea pigs, ferrets, rats, chinchillas and a hamster. Samples of fur, skin for ectoparasites, and feces for gastrointestinal and pulmonary parasites were collected. Necropsy was also performed on animals that died during the period in which the study ran. The preparations were observed under an optical microscope and, subsequently, a statistical analysis of the results was performed. Regarding ectoparasites, in rabbits (n = 37) Cheyletiella parasitovorax (10.81%), Leporacarus gibbus (8.11%) and Psoroptes cuniculi (2.70%) were observed. In guinea pigs (n = 19), Chirodiscoides caviae (15.79%) and Gliricola porcelli (5.26%) were detected. In ferrets (n = 8) and rats (n = 6), Otodectes cynotis (12.5%) and Polyplax spinulosa (16.67%) were observed, respectively. In the only hamster sampled, Ornithonyssus bacoti (100%) was detected. In chinchillas (n = 3) ectoparasites were not observed. As for the presence of gastrointestinal parasites, only Passalurus ambiguus (2.70%) was detected in rabbits (n = 37). No pulmonary parasites were found in any animal. With regard to prevention, 51.35% of the animals did not receive external deworming and 64.86% received internal deworming. In conclusion, the most parasitized specie was the rabbit. The majority of ectoparasites found in this species (C. parasitovorax and L. gibbus), as well as the mite found in the hamster (O. bacoti), have zoonotic potential, which highlights the importance of adopting care in handling these animals as well as a correct deworming.
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Young, Laura May. "Seed dispersal mutualisms and plant regeneration in New Zealand alpine ecosystems." Thesis, University of Canterbury. School of Biological Sciences, 2012. http://hdl.handle.net/10092/6992.

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The New Zealand alpine zone has many fleshy-fruited plant species, but now has a relatively depauperate animal fauna. The key question is, therefore, are native alpine plants still being dispersed, if so where to and by what? I first measured fruit removal rates among nine common species using animal-exclusion cages to compare natural fruit removal by all animals, and by lizards only. Over two years, mean percent of fruit removed by early winter ranged from 25–60% among species. Speed of fruit removal also varied depending on species. Secondly, I quantified which animals disperse (or predate) seeds of those fruits, into which habitats they deposit the seeds, and the relative importance of each animal species for dispersal, in two ways. A 2-year study using fixed-area transects to monitor faecal deposition showed that introduced mammals (especially possums, rabbits, hares, sheep, pigs and hedgehogs) were abundant and widespread through alpine habitat. Of the 25,537 faeces collected, a sub-sample of 2,338 was dissected. Most mammals dispersed most (> 90%) seeds intact. However, possums (numerically the important disperser) moved most seeds into mountain beech (Nothofagus solandri) forest, while rabbits, hares, and sheep dispersed seeds mainly into open grassland dominated by thick swards of exotic grasses (e.g. Agrostis capillaris and Anthoxanthum odoratum); all are less suitable microsites. Kea (Nestor notabilis), the largest and most mobile of only three remaining native alpine bird species, are potentially useful as a long-distance seed disperser, even though parrots are typically seed predators. I found that kea are numerically more important than all other birds combined, damage very few seeds, and are probably responsible for most dispersal of seeds between mountain ranges. Finally, I investigated the effects of seed deposition microsite (shady/high-light), pulp-removal (whole/cleaned), competition (soil dug/not-dug) and predation (caged/ not) on germination, growth and survival of eight subalpine plant species. There were strong positive effects of shady microsites for seed germination and seedling survival to 3.5 years for six of the eight species. Effects of other treatments were less important and varied among species and stages. Hence, both native birds and introduced mammals are dispersing alpine seeds, but the mammals often deposit seeds in habitats unsuitable for establishment. Any evaluation of the dispersal effectiveness of frugivores must consider their contribution towards the long-term success for plant recruitment through dispersal quantity and quality.
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Escusa, Susana Margarida Brito. "Rastreio de parasitas gastrointestinais e pulmonares em mamíferos de um parque zoológico em Abrantes, Portugal." Master's thesis, Universidade de Lisboa, Faculdade de Medicina Veterinária, 2018. http://hdl.handle.net/10400.5/16435.

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Dissertação de Mestrado Integrado em Medicina Veterinária
Os animais de parques zoológicos são muito vulneráveis a infeções parasitárias devido a vários fatores, entre os quais, o stress provocado pelo cativeiro e a elevada contaminação ambiental com formas parasitárias que se verifica nesses espaços. A investigação da fauna parasitária que ocorre nestes animais assume especial relevância pelo contacto entre várias espécies, incluindo os humanos, que pode ocasionar infeções interespecíficas e zoonoses. Esta dissertação visa reportar os parasitas gastrointestinais e pulmonares observados em 17 espécies de mamíferos, exóticos e domésticos, de um parque zoológico privado em Abrantes. As 106 amostras fecais recolhidas foram analisadas com recurso a técnica de Baermann, coprocultura, flutuação pelo método de Willis, sedimentação natural, esfregaço fecal corado pelo método de Ziehl-Neelsen modificado e contagem de ovos em câmara de McMaster. Foram encontrados parasitas pulmonares em 6,6% [IC95%:3-13%] das amostras fecais, e identificados os géneros Muellerius e Cystocaulus. Os parasitas gastrointestinais estavam presentes em 80,2% [IC95%:72-87%] das amostras, e consistiram em nemátodes (65,1% [IC95%:56-74%]) e protozoários (44,3% [IC95%:35-53%]). Nas amostras (n=50) dos animais da ordem Artiodactyla foi observada uma prevalência de 88% [IC95%:76-94%] de parasitas gastrointestinais; 78% [IC95%:65-87%] de nemátodes (estrongilídeos gastrointestinais (EGI), Trichostrongylus spp., Oesophagostumum sp., Nematodirus sp. e Trichuris sp.) e 60% [IC95%:46-72%] de protozoários (Eimeria sp. e Cryptosporidium sp.). Na ordem Carnivora (n=39) 69,2% [IC95%:54-81%] das amostras foram positivas, tendo sido observada uma prevalência de 41% [IC95%:27-57%] de nemátodes (Baylisascaris spp.) e 38,5% [IC95%:25-54%] de protozoários (Cystoisospora spp. e Cryptosporidium spp.). Na ordem Perissodactyla (n=6) 100% [IC95%:61-100%] das amostras mostraram parasitas gastrointestinais, sendo apenas observados nemátodes (EGI, Cyathostomum spp. e Trichostrongylus spp.). Da ordem Rodentia (n=9) 88,9% [IC95%:57-98%] das amostras foram positivas; 88,9% [IC95%:57-98%] de nemátodes (EGI e Trichuris sp.) e 22,2% [IC95%:6-55%] de protozoários (Eimeria sp.). Nas amostras da ordem Diprotodontia (n=2) não foram observados parasitas. Foram colhidos parasitas adultos (Trichuris sp. e Baylisascaris columnaris) do ceco de uma lebre da Patagónia e do intestino delgado de uma doninha fedorenta. A descoberta de formas parasitárias em quase todas as espécies animais, incluindo de parasitas com potencial zoonótico como Baylisascaris spp. (reportado pela primeira vez em Portugal) e Cryptosporidium spp. alerta para a importância das medidas de prevenção e controlo parasitário em coleções zoológicas, permitindo um melhor nível de saúde animal e saúde pública.
ABSTRACT - Survey of gastrointestinal and lung parasites of mammals from a zoological park in Abrantes, Portugal - Zoo animals are very vulnerable to parasitic infections due to a number of factors, including captivity stress and high environmental contamination that happen in these spaces. The investigation of the parasitic fauna that occurs in these animals is specialy important due to the contact between several species, including humans, that can cause interspecies transmission and zoonoses. This survey aims to report the gastrointestinal and pulmonary parasites observed in 17 species of mammals, both exotic and domestic, in a private zoo in Abrantes. For the coprological study 106 faecal samples were collected and analyzed using Baermann technique, coproculture, Willis Flotation, natural sedimentation, faecal smear stained with Ziehl-Neelsen method and egg count in McMaster's slide. Pulmonary parasites were found in 6,6% [IC95%: 3-13%] of faecal samples, with the genera Muellerius and Cystocaulus being identified. Gastrointestinal parasites were present in 80,2% [IC95%: 72-87%] of the faecal samples, and consisted of nematodes (65,1% [IC95%: 56-74%]) and protozoa (44,3% [IC95%: 35-53%]). In the animal samples (n=50) of the order Artiodactyla a prevalence of 88% [IC95%: 76-94%] of gastrointestinal parasites was observed; 78% [IC95%: 65-87%] of nematodes (gastrointestinal strongyles, Trichostrongylus spp., Oesophagostumum spp., Nematodirus spp. and Trichuris spp.) and 60% [IC95%: 46-72%] of protozoa (Eimeria spp. and Cryptosporidium spp.). In the order Carnivora (n=39) 69,2% [IC95%: 54-81%] of the samples were positive, with a prevalence of 41% [IC95%: 27-57%] of nematodes (Baylisascaris spp.) and 38,5% [IC95%: 25-54%] of protozoa (Cystoisospora spp. and Cryptosporidium spp.). In the order Perissodactyla (n=6) a prevalence of 100% [IC95%: 61-100%] of gastrointestinal parasites was observed, with only nematodes presente (gastrointestinal strongyles, Cyathostomum spp. and Trichostrongylus spp.). Of the order Rodentia (n=9), 88,9% [IC95%: 57-98%] of the samples were positive; 88,9% [IC95%: 57-98%] of nematodes (gastrointestinal strongyles and Trichuris sp.) and 22,2% [IC95%: 6-55%] of protozoa (Eimeria sp.). Samples of the order Diprotodontia (n=2) showed no parasites. Adult parasites (Trichuris sp. and Baylisascaris columnaris) were collected from the cecum of a Patagonian mara and from the small intestine of a striped skunk. The finding of parasitic forms in almost all animal species, including parasites with zoonotic potential such as Baylisascaris spp. (reported for the first time in Portugal) and Cryptosporidium spp., brings attention to the importance of parasitic prevention and control measures in zoological collections, allowing a better level of animal and public health.
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Frigeri, Enrico. "Invasão por cães domésticos (Canis lupus familiaris) na Mata Atlântica: efeitos da perda de habitat e da intensificação agrícola." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/41/41133/tde-22102013-142734/.

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Invasões biológicas são consideradas uma das maiores ameaças atuais à biodiversidade global. O cão doméstico é hoje o carnívoro mais abundante no mundo, e tem invadido áreas de vegetação nativa, podendo causar impactos negativos à fauna silvestre através da predação, competição e transmissão de doenças. A partir de dois extensos bancos de dados obtidos através de armadilhas fotográficas, esta dissertação pretende contribuir com o entendimento das causas e consequências da invasão por cães domésticos de remanescentes florestais e agroflorestas na Mata Atlântica. A dissertação está organizada em dois capítulos. No primeiro, usamos dados obtidos em duas paisagens rurais do Planalto Atlântico de São Paulo com diferentes proporções de florestas remanescentes, e (1) descrevemos o tipo de manejo e as características dos cães que visitam fragmentos florestais, (2) comparamos, entre estas paisagens, a frequência e horário de visitas e o tamanho de grupos de cães invasores assim como os fatores determinantes da intensidade de invasão, e (3) investigamos o impacto da intensidade de invasão sobre a distribuição de mamíferos silvestres de maior porte. No segundo capítulo, usamos dados obtidos em um mosaico agroflorestal do Sul da Bahia, e (4) verificamos se a conversão de florestas nativas em agroflorestas e a intensificação das agroflorestas favorecem a invasão por cães domésticos, e (5) se a invasão por estes animais está mais associada à presença humana nas agroflorestas do que nas florestas. Em conjunto, os resultados dessa dissertação sugerem que: (1) a intensidade da invasão por cães em paisagens antropizadas de Mata Atlântica é altíssima, tanto em termos do número de indivíduos e de visitas como em termos do número de sítios ocupados; (2) a invasão é favorecida pelo tipo de manejo dos animais, que são em grande parte criados soltos, e parece estar fortemente associada à presença do homem; (3) a intensidade de invasão afeta negativamente a distribuição de um maior número de espécies de mamíferos de maior porte do que a perda de 40% de floresta na paisagem; (4) características dos remanescentes florestais associadas à perda de habitat (quantidade e qualidade dos remanescentes) são mais importantes que a pressão de propágulo para determinar a intensidade da invasão; (5) a intensificação do manejo de agroflorestas acentua a invasão. Visto que a intensificação de agroflorestas e de outros sistemas agrícolas vem se acentuando globalmente e que, apesar da diminuição das taxas de desmatamento das florestas tropicais nos últimos anos, a maior parte das áreas remanescentes é constituída de vegetação degradada ou secundária, a quantidade de áreas susceptíveis à invasão e os danos causados por cães domésticos devem aumentar no futuro.
Biological invasions are considered one of the most important threats to global biodiversity. Domestic dogs, the most abundant carnivore in the world, are known to invade areas of native vegetation and impact wildlife through competition, predation and disease transmission. Drawing on two extensive dataset obtained through camera-trapping, this dissertation intends to contribute to the understanding of the causes and consequences of the invasion by domestic dogs of forests fragments and agroforests in the Atlantic Forest. The dissertation is organized into two chapters. In the first chapter, we use data from two rural landscapes of São Paulo Atlantic Plateau with different proportions of remaining forests, and (1) describe the management and the characteristics of dogs that visit forest fragments, (2) compare, between these landscapes, the frequency and time of visits, the size of groups of invading dogs, and the drivers of invasion intensity, and (3) investigate the impacts of invasion intensity on the distribution of native large mammals. In the second chapter, using data from an agroforestry mosaic in southern Bahia, we investigate (4) if the conversion of native forests into agroforests and agroforestry intensification favor the invasion by dogs, and (5) if invasion by these animals is more associated with human presence in agroforests than in forests. Our findings highlight that: (1) the intensity of the invasion by dogs in human-modified landscapes in the Atlantic Forest is extremely high, both in terms of the number of individuals and of visits and in terms of the number of occupied sites; (2) invasion is favored by the type of management, with dogs kept free, and seems to be strongly associated with the presence of humans; (3) invasion intensity negatively affects the distribution of a larger number of large mammals than the loss of 40% of forest in the landscape; (4) characteristics of forest fragments associated with habitat loss (quantity and quality of remnants) are more important than propagule pressure to determine the intensity of invasion; (5) management intensification in agroforests intensifies invasion. As intensification of agroforestry and other agricultural systems has increased globally and, despite the decrease in the rates of deforestation in recent years, most tropical forest remnants consist of degraded or secondary vegetation, the amount of areas susceptible to invasion and the damages caused by domestic dogs should increase in the future.
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Books on the topic "Exotic mammals"

1

M, Lennox Angela, and Widmer William R, eds. Clinical radiology of exotic companion mammals. Ames, Iowa: Wiley-Blackwell, 2008.

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Karen, Rosenthal, ed. Self-assessmemt color review of small mammals. Ames, Iowa: Iowa State University Press, 1997.

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O'Malley, Bairbre. Clinical anatomy and physiology of exotic species: Structure and function of mammals, birds, reptiles, and amphibians. Edinburgh: Elsevier Saunders, 2005.

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Clinical anatomy and physiology of exotic species: Structure and function of mammals, birds, reptiles, and amphibians. Edinburgh: Elsevier Saunders, 2005.

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Banks, Ron E., Julie M. Sharp, Sonia D. Doss, and Deborah A. Vanderford. Exotic Small Mammal Care and Husbandry. Ames, Iowa, USA: John Wiley & Sons, Inc., 2016. http://dx.doi.org/10.1002/9781119265405.

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Storer, Pat. Small Exotic Mammals: A to Z. 2nd ed. Country Storer Enterprises, 1995.

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Lennox, Angela M., Vittorio Capello, and William Widmer. Clinical Radiology of Exotic Companion Mammals. Wiley & Sons, Incorporated, John, 2013.

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Lennox, Angela M., Vittorio Capello, and William Widmer. Clinical Radiology of Exotic Companion Mammals. Wiley & Sons, Incorporated, John, 2013.

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Bays, Teresa Bradley, Teresa Lightfoot, and Joerg Mayer. Exotic Pet Behavior: Birds, Reptiles, and Small Mammals. Saunders, 2006.

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Diagnostic Imaging Of Exotic Pets Birds Small Mammals Reptiles. Schluetersche, 2011.

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Book chapters on the topic "Exotic mammals"

1

Aspinall, V., M. Cappello, and C. Phillips. "Small exotic mammals." In Introduction to animal and veterinary anatomy and physiology, 171–85. Wallingford: CABI, 2020. http://dx.doi.org/10.1079/9781789241150.0171.

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Hedberg, Gail. "Exotic Felids." In Hand-Rearing Wild and Domestic Mammals, 207–20. Oxford, UK: Blackwell Publishing Ltd, 2008. http://dx.doi.org/10.1002/9780470385005.ch27.

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Greene, Kelley, and Cynthia Stringfield. "Exotic Ungulates." In Hand-Rearing Wild and Domestic Mammals, 256–61. Oxford, UK: Blackwell Publishing Ltd, 2008. http://dx.doi.org/10.1002/9780470385005.ch32.

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Girling, Simon J. "Common Diseases of Small Mammals." In Veterinary Nursing of Exotic Pets, 59–90. West Sussex, UK: Blackwell Publishing, Ltd,., 2013. http://dx.doi.org/10.1002/9781118782941.ch5.

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Mayer, Jörg, and Robert D. Ness. "Laser Therapy for Exotic Small Mammals." In Laser Therapy in Veterinary Medicine, 285–97. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2017. http://dx.doi.org/10.1002/9781119220190.ch26.

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Greenacre, Cheryl B. "Treatment of Pain in Small Exotic Mammals." In Pain Management in Veterinary Practice, 399–406. Chichester, UK: John Wiley & Sons, Ltd, 2014. http://dx.doi.org/10.1002/9781118999196.ch36.

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Jackson, Vicky S., Selene Huntley, Alex Tomlinson, Graham C. Smith, Mike A. Taylor, and Richard J. Delahay. "Risk Assessment and Contingency Planning for Exotic Disease Introductions." In Management of Disease in Wild Mammals, 169–85. Tokyo: Springer Japan, 2009. http://dx.doi.org/10.1007/978-4-431-77134-0_9.

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Thompson, Lesa. "Recognition and Assessment of Pain in Small Exotic Mammals." In Pain Management in Veterinary Practice, 391–97. Chichester, UK: John Wiley & Sons, Ltd, 2014. http://dx.doi.org/10.1002/9781118999196.ch35.

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White, Kenneth L., Thomas D. Bunch, Shoukhrat Mitalipov, and William A. Reed. "Application of ARTs and Nuclear Transfer in Exotic or Endangered Species." In Assisted Fertilization and Nuclear Transfer in Mammals, 239–51. Totowa, NJ: Humana Press, 2001. http://dx.doi.org/10.1007/978-1-59259-369-9_15.

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Hadzima, Eva, Maros Pazej, and Katherine Weston. "Laser Surgery Procedures in Small Exotic Animals (Small Mammals, Reptiles, and Avians)." In Laser Surgery in Veterinary Medicine, 265–91. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2019. http://dx.doi.org/10.1002/9781119486053.ch20.

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