Academic literature on the topic 'Captive wild animals New South Wales'
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Journal articles on the topic "Captive wild animals New South Wales"
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Woods, RE, and FD Ford. "Observations on the behaviour of the smoky mouse Pseudomys fumeus (Rodentia: Muridae)." Australian Mammalogy 22, no. 1 (2000): 35. http://dx.doi.org/10.1071/am00035.
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This study examined aspects of behaviour in a captive colony of smoky mice, Pseudomys fumeus, over a two year period. Wherever possible behaviours observed in the captive population are compared to data collected in a study of a wild population in south-eastern New South Wales. This paper provides the first recorded observations of behavior in this species. Both captive and wild populations of P. fumeus display strictly nocturnal circadian activity rhythms. In the captive study, P. fumeus were found to exhibit social interactions similar to some previously studied Pseudomys species. However, in the wild, the species was found to communally nest during the breeding season, behaviour not observed in other Pseudomys from similar habitats. P. fumeus in captivity can have more than two litters in one breeding season which suggests that their reproductive parameters are more flexible than previous studies of wild populations have shown. Field data indicate that post-partum oestrus can occur in this species, and that gestation lasts for approximately 30 days, although these observations are based on a small sample.
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Eisenhofer, Raphael, Kylie L. Brice, Michaela DJ Blyton, Scott E. Bevins, Kellie Leigh, Brajesh K. Singh, Kristofer M. Helgen, et al. "Individuality and stability of the koala (Phascolarctos cinereus) faecal microbiota through time." PeerJ 11 (January 23, 2023): e14598. http://dx.doi.org/10.7717/peerj.14598.
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Gut microbiota studies often rely on a single sample taken per individual, representing a snapshot in time. However, we know that gut microbiota composition in many animals exhibits intra-individual variation over the course of days to months. Such temporal variations can be a confounding factor in studies seeking to compare the gut microbiota of different wild populations, or to assess the impact of medical/veterinary interventions. To date, little is known about the variability of the koala (Phascolarctos cinereus) gut microbiota through time. Here, we characterise the gut microbiota from faecal samples collected at eight timepoints over a month for a captive population of South Australian koalas (n individuals = 7), and monthly over 7 months for a wild population of New South Wales koalas (n individuals = 5). Using 16S rRNA gene sequencing, we found that microbial diversity was stable over the course of days to months. Each koala had a distinct faecal microbiota composition which in the captive koalas was stable across days. The wild koalas showed more variation across months, although each individual still maintained a distinct microbial composition. Per koala, an average of 57 (±16) amplicon sequence variants (ASVs) were detected across all time points; these ASVs accounted for an average of 97% (±1.9%) of the faecal microbial community per koala. The koala faecal microbiota exhibits stability over the course of days to months. Such knowledge will be useful for future studies comparing koala populations and developing microbiota interventions for this regionally endangered marsupial.
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Hayward, Matt W., Aline Si Lin Poh, Jennifer Cathcart, Chris Churcher, Jos Bentley, Kerryn Herman, Leah Kemp, et al. "Numbat nirvana: conservation ecology of the endangered numbat (Myrmecobius fasciatus) (Marsupialia : Myrmecobiidae) reintroduced to Scotia and Yookamurra Sanctuaries, Australia." Australian Journal of Zoology 63, no. 4 (2015): 258. http://dx.doi.org/10.1071/zo15028.
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Despite a vigorous reintroduction program between 1985 and 2010, numbat populations in Western Australia are either static or declining. This study aimed to document the population ecology of numbats at two sites that are going against this trend: Scotia Sanctuary in far western New South Wales and Yookamurra Sanctuary in the riverland of South Australia. Scotia (64 659 ha) and Yookamurra (5026 ha) are conservation reserves owned and managed by the Australian Wildlife Conservancy and where numbats were reintroduced in 1999 and 1993 respectively. Both sites have large conservation-fence-protected introduced-species-free areas where there are no cats (Felis catus) or red foxes (Vulpes vulpes). Numbats were sourced from both wild and captive populations. From small founder populations, the Scotia numbats are now estimated to number 169 (113–225) with 44 at Yookamurra. Radio-collared individuals at Scotia were active between 13 and 31°C. Females had home ranges of 28.3 ± 6.8 ha and males 96.6 ± 18.2 ha, which leads to an estimated sustainable population or carrying capacity of 413–502 at Scotia. Captive-bred animals from Perth Zoo had a high mortality rate upon reintroduction at Scotia due to predation by raptors and starvation. The habitat preferences for mallee with a shrub understorey appear to be driven by availability of termites, and other reintroduced ecosystem engineers appear to have been facilitators by creating new refuge burrows for numbats. This study shows that numbats can be successfully reintroduced into areas of their former range if protected from introduced predators, and illustrates the difficulties in monitoring such cryptic species.
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MacCallum, C., S. D. Johnston, and D. Blyde. "9. Lack of seasonal variation in male reproductive parameters measured in a captive and wild population of common wombats in New South Wales." Reproduction, Fertility and Development 15, no. 9 (2003): 9. http://dx.doi.org/10.1071/srb03ab9.
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Fenner, Sally, Gerhard Körtner, and Karl Vernes. "Aerial baiting with 1080 to control wild dogs does not affect the populations of two common small mammal species." Wildlife Research 36, no. 6 (2009): 528. http://dx.doi.org/10.1071/wr08134.
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More than most other animal control techniques, toxic baiting is fraught with the potential impact on non-target species. In the present study, we investigated the effect of aerial baiting with 1080 to control wild dogs in north-eastern New South Wales (NSW), Australia, on populations of southern bush rats (Rattus fuscipes assimilis) and brown antechinus (Antechinus stuartii), using a controlled experiment. Six populations, three each within widely spaced baited and unbaited trapping grids, were monitored before and after bait laying. To develop capture–mark–recapture indices, separate 4-day trapping surveys were undertaken twice before and twice after meat baits (250 g containing 6 mg sodium fluoroacetate, 1080) were delivered from a helicopter at 40 baits per kilometre. To assess non-fatal bait consumption, all baits contained rhodamine B (RhB), which gets incorporated into the vibrissae of animals that have ingested this marker. Neither mammal population decreased in size after baiting, nor was there any increase in population turnover rates or changes in the movement patterns of either species. Furthermore, no trapped animal tested positive for RhB, suggesting that these small mammals rarely consume meat baits, and that, at the population level, the impact of baiting on them was likely negligible. It is therefore unlikely that the current practise of aerial baiting in NSW, although effective in reducing dog activity, threatens populations of these two common species and perhaps small mammals in general.
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Ling, J. K., C. Atkin, A. Barnes, A. Fischer, M. Guy, and S. Pickering. "Breeding and longevity in captive Australian sea lions Neophoca cinerea at zoos and aquaria in Australia: 1965-2003." Australian Mammalogy 28, no. 1 (2006): 65. http://dx.doi.org/10.1071/am06008.
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Australian sea lions (Neophoca cinerea) are known to have been kept in aquaria and zoos in Australia since 1965. During that time at least 41 births were recorded, of which 19 were in Adelaide, 15 at Adelaide Zoo and 4 at Marineland of South Australia. The mean interval between successive births in Adelaide was 538.9 � 9.5 days (18.0 months; n = 10) and the mean assumed pregnancy period, including embryonic diapause, was 536.0 � 11.4 days (17.9 months; n = 9). The mean interval between parturition and presumed successful mating was 8.4 � 1.6 days (n = 5). Births occurred in all months except January, June, August and December. Figures for New South Wales and Queensland establishments are too small and scattered over time for any pregnancy periods or birth intervals to be determined. Likewise, latitudinal differences, if any, were not evident, because of the paucity of data from these more northerly places. One female at the Adelaide Zoo produced 8 pups between 1986 and 1997; she is still alive after 22 years in captivity. The youngest known-age (captive-born) female was 4 years, 8 months old when she gave birth to her first pup; and the oldest female in captivity to give birth to a pup was aged approximately 21 years, 8 months. The longest recorded captive period for a female was more than 25 years by 31 December 2003, and for a male it was 21 years, 11 months. A captive-bred female was still alive after 18 years, 2 months, 24 days; another such female died aged 18 years, 2 months, 18 days. These life spans appear to be similar to those that meagre data suggest for tagged N. cinerea in the wild.
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Nesporova, Kristina, Ethan R. Wyrsch, Adam Valcek, Ibrahim Bitar, Khin Chaw, Patrick Harris, Jaroslav Hrabak, Ivan Literak, Steven P. Djordjevic, and Monika Dolejska. "Escherichia coli Sequence Type 457 Is an Emerging Extended-Spectrum-β-Lactam-Resistant Lineage with Reservoirs in Wildlife and Food-Producing Animals." Antimicrobial Agents and Chemotherapy 65, no. 1 (October 5, 2020): e01118-20. http://dx.doi.org/10.1128/aac.01118-20.
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ABSTRACTSilver gulls carry phylogenetically diverse Escherichia coli, including globally dominant extraintestinal pathogenic E. coli (ExPEC) sequence types and pandemic ExPEC-ST131 clades; however, our large-scale study (504 samples) on silver gulls nesting off the coast of New South Wales identified E. coli ST457 as the most prevalent. A phylogenetic analysis of whole-genome sequences (WGS) of 138 ST457 samples comprising 42 from gulls, 2 from humans (Australia), and 14 from poultry farmed in Paraguay were compared with 80 WGS deposited in public databases from diverse sources and countries. E. coli ST457 strains are phylogenetic group F, carry fimH145, and partition into five main clades in accordance to predominant flagella H-antigen carriage. Although we identified considerable phylogenetic diversity among the 138 ST457 strains, closely related subclades (<100 SNPs) suggested zoonotic or zooanthroponosis transmission between humans, wild birds, and food-producing animals. Australian human clinical and gull strains in two of the clades were closely related (≤80 SNPs). Regarding plasmid content, country, or country/source, specific connections were observed, including I1/ST23, I1/ST314, and I1/ST315 disseminating blaCMY-2 in Australia, I1/ST113 carrying blaCTX-M-8 and mcr-5 in Paraguayan poultry, and F2:A-:B1 plasmids of Dutch origin being detected across multiple ST457 clades. We identified a high prevalence of nearly identical I1/ST23 plasmids carrying blaCMY-2 among Australian gull and clinical human strains. In summary, ST457 is a broad host range, geographically diverse E. coli lineage that can cause human extraintestinal disease, including urinary tract infection, and displays a remarkable ability to capture mobile elements that carry and transmit genes encoding resistance to critically important antibiotics.
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Fleming, PJS, and TJ Korn. "Predation of livestock by wild dogs in eastern New South Wales." Rangeland Journal 11, no. 2 (1989): 61. http://dx.doi.org/10.1071/rj9890061.
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A monthly survey involving officers from eastern New South Wales Pastures Protection Boards was conducted over four years from 1982 to 1985. Information was collected on the number and type of livestock attacked within each board district, sightings of wild dogs, the number of wild dogs kiied, the method by which they were kiied and the locations at which the observations occurred. A total of 25,644 livestock animals were reported killed or wounded from four regions; the North-East Coastal Region, the North-East Tablelands Region, the Central-East Region and South-East Region. Sheep were the most commonly attacked domestic animals followed by cattle and goats. Regional differences were apparent in the type of livestock killed and seasonal patterns of predation were evident. We recommend that annual control programmes be brought forward from June/July to late April in order to precede predation peaks.
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Mo, Matthew, and Robert Oliver. "Managing non-releasable animals following rehabilitation: the current management framework in New South Wales, recent trends and a stakeholder consultative review." Australian Zoologist 41, no. 1 (January 2020): 58–73. http://dx.doi.org/10.7882/az.2020.013.
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Although the ultimate goal of wildlife rehabilitation is to return animals to the wild, some are permanently unable to be released. Some non-releasable animals may be suitable for permanent care. The National Parks and Wildlife Service (NPWS) has the statutory role for arranging the appropriate placement of these animals in New South Wales. Under the current management framework, wildlife rehabilitators may apply for the permanent care of non-releasable animals under certain circumstances. If such an application is refused or not sought, NPWS ballots animals to suitable zoological parks and other exhibitors licensed by the Department of Primary Industries. The Frog and Tadpole Study Group rehomes non-releasable frogs with amphibian keepers licensed by NPWS. Between 2014 and 2018, 165 rehabilitation animals were placed under this framework, the majority of which were mammals (54%) and birds (41%). NPWS undertook a review of the framework in consultation with 17 stakeholder organisations. The review explored the need for a consistent approach to assessing animals as non-releasable, opposing views on when animals should be euthanased, the appropriateness of placing wild-born animals with exhibitors, and policy deficiencies resulting in placements that are not necessarily the best possible welfare outcome for the animal nor the best possible conservation outcome for the species. As non-releasable animals present themselves under a wide range of circumstances, the management framework requires a balance between consistency and pragmatism to achieve optimal animal welfare and conservation outcomes.
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Wells, Kathleen, Andrew Butterworth, and Ngaio Richards. "A review of secondary pentobarbital poisoning in scavenging wildlife, companion animals and captive carnivores." Journal of Veterinary Forensic Sciences 1, no. 1 (December 23, 2019): 1–15. http://dx.doi.org/10.32473/jvfs.v1i1.128307.
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Sodium pentobarbital is a veterinary drug commonly employed to euthanize different animal species humanely. Cases of secondary pentobarbital poisoning have been documented in scavenging wildlife, companion animals and captive carnivores. Since the extent of such poisonings remains mostly unknown, a review was undertaken to consolidate cases published, recorded, only locally reported or shared anecdotally. A questionnaire was distributed to veterinary surgery and wildlife rehabilitation centers, and zoos. About 125 cases affecting 432 animals across the US, Canada, the UK, South Africa, New Zealand, Australia, Germany and France were collated, with 76.8% obtained outside the published literature. Our findings support that pentobarbital poisoning affects a range of wild species (e.g., griffon vultures, canids) and companion animals (especially dogs and captive carnivores), and although a known source of toxicosis, pentobarbital-related poisonings continue to present day. Carcass disposal methods were considered in regard to associated incidents of secondary poisoning. Wild scavengers and companion animals were mainly affected after feeding on livestock carcasses that were insufficiently buried or left uncovered. Captive carnivores were accidentally poisoned after being fed pentobarbital-euthanized animals. Euthanized carcasses of stranded whales, provision of euthanized carcasses to dogs at hunt kennels, sourcing of meat from fisheries and laboratories, and use of barbiturates in baits to deliberately harm wildlife emerged as noteworthy sources of risk or exposure. The ongoing presence of pentobarbital residues in pet food as a threat to companion animals was incidentally considered. Additional recommendations for follow-up research, to increase awareness of this issue and prevent exposure, were suggested.