Wharton, D., & Mainka, S. A. (1997). Management and husbandry of the snow leopard Uncia uncia. International Zoo Yearbook, 35, 139–147.
Abstract: The international studbook for the Snow leopard Uncia uncia was established in 1976. The species has been the focus of intensive captive management and as at 1 January 1992, 541 animals were maintained at 160 collections. This paper gives an overview of the diet, housing, breeding and captive management of the species with specific reference to animals maintained in North American collections. A summary of veterinary care reported in the Snow leopard captive-management survey is also given.
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Begg, T. (1978). Nutritional bone disease in the snow leopard. In L. Blomqvist (Ed.), International Pedigree Book of Snow Leopards, Vol. 1 (Vol. 1, pp. 104–107). Helsinki: Helsinki Zoo.
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Pfeil, A., Lucker, H., & Pfeil, I. (2004). Leiomyoma in the urinary bladder of a female snow leopard (Uncia uncia, Schreber, 1776). Tier„rztliche Praxis Kleintiere, 32(1), 40–44.
Abstract: Summary
A leiomyoma of the urinary bladder in a 14-year-old female snow leopard exhibiting bloody vaginal discharge was removed by partial cystectomy. Gravel (struvite) was found in the urine of the inflammatory bladder. Additionally ovario-hysterectomy was performed. Histological findings showed a glandular-cystic hyperplasia. Tumors of the bladder are very rare in cats. Specifically the benign tumors of the bladder very often have no clinical relevance and rarely result in bladder dysfunction. Therefore they might remain undiagnosed in many cases, particularly since the diagnostic procedure in big cats is very extensive. Leiomyoma of the bladder in snow leopards have not been described yet. The present paper describes the surgery performed, the succeeding therapy, the struvit prophylaxis, and discusses the aetiology of the leiomyoma's origin on the basis of current literature. Zusammenfassung
Bei einer 14-j„hrigen Schneeleopardin mit blutigem Vaginalausfluss wurde ein Leiomyom der Blase durch partielle Zystektomie entfernt. Im Urin und in der entzndeten Blase konnte Grieá (Struvit) nachgewiesen werden. Gleichzeitig wurde eine Ovariohysterektomie durchgefhrt. Der histologische Befund ergab eine glandul„r-zystische Hyperplasie des Endometriums. Tumoren der Harnblase sind bei Katzen sehr selten. Vor allem benigne Blasentumoren haben oft keine klinische Relevanz und fhren selten zu Blasenfunktionsst”rungen. Es ist daher m”glich, dass sie insbesondere bei Groákatzen wegen der aufwendigen Diagnostik bersehen werden. Leiomyome in der Blase sind beim Schneeleoparden bisher nicht beschrieben. In diesem Artikel werden die durchgefhrte Operation, die folgende Therapie und Struvitprophylaxe beschrieben sowie m”gliche Žtiologien der Entstehung des Leiomyoms anhand der Literatur diskutiert.
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Weilemann P. (1982). Experiences in births of snow leopards in Zurich Zoo. In L. Blomqvist (Ed.), International Pedigree Book of Snow Leopards, Vol. 3 (Vol. 3, pp. 111–116). Helsinki: Helsinki Zoo.
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Gaughan, M., & Doherty, J. (1982). Snow leopard rearing: Infant development with particular emphasis on play behaviour. In L. Blomqvist (Ed.), International Pedigree Book of Snow Leopards, Vol. 3 (Vol. 3, pp. 121–126). Helsinki: Helsinki Zoo.
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Sulser, C. E., Steck, B. L., & Baur, B. (2008). Effects of construction noise on behaviour of and exhibit use by Snow leopards Uncia uncia at Basel zoo (Vol. 42).
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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Freeman, H. (1983). Behavior in adult pairs of captive snow leopards (Panthera uncia). Zoo Biology, 2(1), 1–22.
Abstract: Eight adult pairs of snow leopards (Panthera uncia) were observed for one to three years in the months December through March to determine the species' social and reproductive characteristics in captivity. To statistically examine the occurrence of behaviors as a function of estrus, the observation weeks were divided into three time blocks: before estrus, estrus, and after estrus. Using percentage of scan samples as an estimate of time spent in various behaviors, 16 behaviors and combined behavior categories were examined for (1) behaviors that differentiated successfully from unsuccessfully breeding pairs, (2) sex differences in behavior, (3) significant correlations between pair members, and (4) behaviors that showed time block effects. The rationale for identifying a behavioral profile of successful breeders in snow leopards was to aid zoos in their captive management programs by increasing their knowledge of the social behavior of this species. By finding correlates to breeding success, informed decisions on whether to change partners after a certain period of time, how to group the cats, and the optimum strategy for a survival plan can be made. (PsycINFO Database Record (c) 2000 APA, all rights reserved
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Burgener, N., Gusset, M., & Schmid, H. (2008). Frustrated appetitive foraging behavior, stereotypic pacing, and fecal glucocorticoid levels in snow leopards (Uncia uncia) in the Zurich Zoo (Vol. 11).
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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O'Connor, T., & Freeman, H. (1982). Maternal behavior and behavioral development in the captive snow leopard (Panthera uncia). In L. Blomqvist (Ed.), International Pedigree Book of Snow Leopards, Vol. 3 (Vol. 3, pp. 103–110). Helsinki: Helsinki Zoo.
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Reed-Smith, J., & Kumpf, M. (1998). Snow leopards (Uncia uncia): family group management alternatives. Anim.Keepers' Forum, 25(10), 386–391.
Abstract: The authors offer insights into creating family groups of snow leopards in zoos. The programs at the Denver Zoo, Denver, Colorado, and at John Ball Zoological Gardens, Grand Rapids, Michigan, are highlighted. lgh.
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