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Author Riordan, P.
Title Unsupervised recognition of individual tigers and snow leopards from their footprints Type Miscellaneous
Year 1998 Publication Animal Conservation Abbreviated Journal
Volume 1 Issue Pages 253-262
Keywords captive; panthera tigris; panthera uncia; snow leopard; techniques; tiger
Abstract This study presents the testing of two unsupervised classification methods for their ability to accurately identify unknown individual tigers, Panthera tigris, and snow leopards, Panthera uncia, from their footprints. A neural-network based method, the Kohonen self-organizing map (SOM), and a Bayesian method, AutoClass, were assessed using hind footprints taken from captive animals under standardized conditions. AutoClass successfully discriminated individuals of both species from their footprints. Classification accuracy was greatest for tigers, with more misclassification of individuals occurring for snow leopards. Examination of variable influence on class formations failed to identify consistently influential measurements for either species. The self-organizing map did not provide accurate classification of individuals for either species. Results were not substantially improved by altering map dimensions nor by using principal components derived from the original data. The interpretation of resulting classifications and the importance of using such techniques in the study of wild animal populations are discussed. The need for further testing in the field is highlighted.
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Call Number (up) SLN @ rana @ 896 Serial 823
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Author Espinosa-Aviles, D.; Taylor, M.L.; Del Rocio Reyes-Montes, M.; Pe'rez-Torrez, A.
Title Molecular findings of disseminated histoplasmosis in two captive snow leopards (Uncia uncia) Type Miscellaneous
Year 2008 Publication Journal-of-Zoo-and-Wildlife-Medicine Abbreviated Journal
Volume 39 Issue Pages 450-454
Keywords captive; histoplasmosis; Immunohistochemistry; Molecular; snow leopard; Uncia uncia
Abstract This paper reports two cases of disseminated histoplasmosis in captive snow leopards (Uncia uncia). Histoplasmosis was diagnosed based on histopathology, immunohistochemistry, transmission electron microscopy, and molecular findings.
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Call Number (up) SLN @ rana @ 907 Serial 268
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Author Sulser, C.E.; Steck, B.L.; Baur, B.
Title Effects of construction noise on behaviour of and exhibit use by Snow leopards Uncia uncia at Basel zoo Type Miscellaneous
Year 2008 Publication International Zoo Yearbook Abbreviated Journal
Volume 42 Issue Pages 199-205
Keywords behaviour; captive; construction noise; exhibit use; snow leopard; Uncia uncia; zoo
Abstract Noise caused by human activities can cause stress in animals. We examined whether noise from construction sites affects the behaviour of and exhibit use by three Snow leopards Uncia uncia at Basel zoo. The behaviour and location of the animals were recorded at 1 minute intervals, using the instantaneous scan sampling method over a period of 216 hours (104 hours on noisy days and 112 hours on quiet days). The animals differed individually in their responses to the construction noise. On noisy days, the Snow leopards generally spent less time in locomotion and more time resting, but even on quiet days, resting was the predominant behaviour performed. Under noisy conditions, they increased social resting and decreased resting alone. Walking and social walking were also reduced on noisy days. Furthermore, the Snow leopards spent considerably more time in the remote offexhibit enclosure under noisy conditions. Independent of background noise, they stayed more than half of the time in the caves and the forecourts of the outdoor enclosure. On quiet days, the Snow leopards used more sectors of their exhibit than on noisy days. The results indicate that the Snow leopards responded to construction noise by increasing the amount of time spent resting and by withdrawing to the remote parts of their exhibit.
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Call Number (up) SLN @ rana @ 910 Serial 943
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Author Barnett, K.C.; Lewis, J.C.M.
Title Multiple ocular colobomas in the snow leopard (Uncia uncia) Type Miscellaneous
Year 2002 Publication Veterinary Ophthalmology Abbreviated Journal
Volume 5 Issue Pages 197-199
Keywords captive; Coloboma; cub; eyelid; ocular fundus; snow leopard; Uncia uncia
Abstract Two singleton female snow leopard cubs are reported with bilateral central upper lid colobomas. In addition, one cub had a coloboma of the fundus in one eye extending from the lower optic disc region. Surgical treatment by wedge resection was successful in both cases. Details of ocular colobomas in the other snow leopards reported in the literature are described and it is suggested that the exact etiology of the condition in this species may be discovered by further study of similar colobomas in the domestic cat.
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Call Number (up) SLN @ rana @ 913 Serial 119
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Author Burgener, N.; Gusset, M.; Schmid, H.
Title Frustrated appetitive foraging behavior, stereotypic pacing, and fecal glucocorticoid levels in snow leopards (Uncia uncia) in the Zurich Zoo Type Miscellaneous
Year 2008 Publication Journal of Applied Animal Welfare Science Abbreviated Journal
Volume 11 Issue Pages 74-83
Keywords behavior; captive; fecal; feeding strategy; physiological; snow leopard; zoo
Abstract This study hypothesized that permanently frustrated, appetitive-foraging behavior caused the stereotypic pacing regularly observed in captive carnivores. Using 2 adult female snow leopards (Uncia uncia), solitarily housed in the Zurich Zoo, the study tested this hypothesis experimentally with a novel feeding method: electronically controlled, time-regulated feeding boxes. The expected result of employing this active foraging device as a successful coping strategy was reduced behavioral and physiological measures of stress, compared with a control-feeding regime without feeding boxes. The study assessed this through behavioral observations and by evaluating glucocorticoid levels noninvasively from feces. Results indicated that the 2 snow leopards did not perform successful coping behavior through exercising active foraging behavior or through displaying the stereotypic pacing. The data support a possible explanation: The box-feeding method did not provide the 2 snow leopards with the external stimuli to satisfy their appetitive behavioral needs. Moreover, numerous other factors not necessarily or exclusively related to appetitive behavior could have caused and influenced the stereotypic pacing.
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Call Number (up) SLN @ rana @ 915 Serial 202
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Author Blomqvist, L.
Title Status of the captive snow leopard (Panthera uncia) in 1987 Type Miscellaneous
Year 1989 Publication International Zoo News Abbreviated Journal
Volume Issue Pages 3-11
Keywords captive; panthera uncia; snow leopard; status
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Call Number (up) SLN @ rana @ 917 Serial 163
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Author Blomqvist, L.
Title Captive status of the snow leopard in Europe 2001 Type Miscellaneous
Year 2003 Publication International Pedigree Book of Snow Leopards Abbreviated Journal
Volume 8 Issue Pages 27-30
Keywords captive; status; snow; snow leopard; snow-leopard; leopard
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Call Number (up) SLN @ rana @ 918 Serial 170
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Author Stidworthy, M.F.; Lewis, J.C.M.; Penderis, J.; Palmer, A.C.
Title Progressive encephalomyelopathy and cerebellar degeneration in a captive-bred snow leopard (Uncia uncia) Type Miscellaneous
Year 2009 Publication The Veterinary Record Abbreviated Journal
Volume 162 Issue Pages 522-524
Keywords captive; snow leopard; Uncia uncia
Abstract PROGRESSIVE encephalomyelopathy with cerebellar degeneration has been described in captive cheetahs (Palmer and others 2001) and in young domestic cats (Palmer and Cavanagh 1995). This case report describes the clinical and histopathological findings in a very similar condition affecting a young snow leopard (Uncia uncia) that had been born in a zoological park in eastern England as part of the globally coordinated breeding programme for this critically endangered species.
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Call Number (up) SLN @ rana @ 922 Serial 937
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Author Schmidt, A.M.; Hess, D.L.; Schmidt, M.J.; Smith, R.C.; Lewis, C.R.
Title Serum concentrations of oestradiol and progesterone, and sexual behaviour during the normal oestrous cycle in the leopard (Panthera pardus) Type Miscellaneous
Year 1988 Publication Journal of Reproductive Fertility Abbreviated Journal
Volume 82 Issue Pages 43-49
Keywords captive; Ovulation; Panthera pardus; Progesterone; Serum; sexual behaviour
Abstract Three mature nulliparous female leopards were studied for 5 years. During three separate 6-month periods serum oestradiol and progesterone concentrations were measured at weekly intervals. Oestradiol was elevated over 21 pg/ml for 54 weeks during these 3 periods, and 36 oestradiol peaks (65\m=.\8\m=+-\6\m=.\3pg/ml (mean \m=+-\s.e.m.), range 21\p=n-\172pg/ml) were identified. Daily frequency of feline reproductive behaviours averaged over each week increased from 1\m=.\9\m=+-\0\m=.\2(n = 93) during weeks with low serum oestradiol concentrations (<21 pg/ml) to 5\m=.\3\m=+-\0\m=.\6(n = 54) during weeks when serum oestradiol concentrations (>21 pg/ml) were high. Increased serum progesterone concentrations (13\p=n-\98n/gml) were observed on 5 occasions in 2 leopards housed together. These presumptive luteal phases lasted from 1 to 5 weeks. Baseline progesterone values were 1\m=.\6\m=+-\0\m=.\4 ng/m(nl= 131). No progesterone increments were observed in isolated animals, and serum concentrations remained at baseline levels. These limited observations suggest that female leopards do not require intromission to induce ovulation and luteal function. The average interval between oestradiol peaks for cycles with no progesterone increment was 3\m=.\4weeks (range 1\p=n-\6weeks). The interval for the 3 complete cycles associated with elevated progesterone concentrations was 7\m=.\3weeks. Analysis of sexual behaviours over the 5-year study period revealed no evidence of seasonality in these

captive leopards.
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Call Number (up) SLN @ rana @ 923 Serial 873
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Author Nishine, Y.
Title Development of the captive breeding programme (SSCJ) in Japan 1997-2001 Type Miscellaneous
Year 2003 Publication International Pedigree Book of Snow Leopards Abbreviated Journal
Volume 8 Issue Pages 25-26
Keywords captive; captive breeding; Japan
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Call Number (up) SLN @ rana @ 925 Serial 722
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