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Schacter, A., Fitzgerald, K., & Doherty, J. (1980). Development of a snow leopard with and away from mother and siblings in the first six months. In L. Blomqvist (Ed.), International Pedigree Book of Snow Leopards (Vol. 2, pp. 112–126). Helsinki: Helsinki Zoo.
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Wahlberg, C. (1980). Autopsy findings and causes of death in captive snow leopards (Panthera uncia): a preliminary report. In L. Blomqvist (Ed.), International Pedigree Book of Snow Leopards (Vol. 2, pp. 205–217). Helsinki: Helsinki Zoo.
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Wahlberg, C., & Tarkkanen, A. (1980). On the multiple ocular coloboma with retinal dysplasia (MOC) in snow leopards, Pantera uncia. In L. Blomqvist (Ed.), International Pedigree Book of Snow Leopards (Vol. 2, pp. 183–194). Helsinki: Helsinki Zoo.
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Wahlberg, C., Tarkkanen, A., & Blomqvist, L. (1982). Further observations on the multiple ocular coloboma (MOC) in the snow leopard, Panthers uncia. In L. Blomqvist (Ed.), International Pedigree Book of Snow Leopards (Vol. 3, pp. 139–144). Helsinki: Helsinki Zoo.
Abstract: The first observation of the occurrence of multiple ocular coloboma (MOC) in a snow leopard was reported in the International Pedigree Book of Snow Leopards Volume I in 1978 (1). The lesions in this syndrome consist of coloboma of the upper eye lid and uveal coloboma of the globe. Even colobomatous retinal cysts and retinal dysplasia have been noted. The ethiology of in all ten cases of MOC in the snow leopards kept at the Helsinki Zoo were described and discussed in detail in Volume II of the International Pedigree Book of Snow Leopards (2,3). Three cases of MOC in the snow leopards kept at Henry Doorly Zoo, Omaha, Ne., have been described by Phillips (4), one case is known of in Amsterdam (van Bree, personal communication), and two cases in Zoo Zurich (Isenbugel and Weilenmann, pers. comm.) The ethiology of the defect is still not known although various theories ranging from genetic to exogenous factors have been presented.
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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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Blomqvist, L. (1978). Photos of snow leopards. In L. Blomqvist (Ed.), International Pedigree Book of Snow Leopards, Vol. 1 (Vol. 1, pp. 141–151). Helsinki: Helsinki Zoo.
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Blomqvist, L. (1978). Resolution from the first international snow leopard conference in Helsinki on March 7-8, 1978. In L. Blomqvist (Ed.), International Pedigree Book of Snow Leopards, Vol. 1 (Vol. 1, pp. 3–5). Helsinki: Helsinki Zoo.
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Ruedi, D., Heldstab, A., Wiesner, H., & Keller, P. (1978). Liver cirrhosis in the snow leopard (Uncia uncia): Case histories of three animals and suggestion of some diagnostic possibilities. In L. Blomqvist (Ed.), International Pedigree Book of Snow Leopards, Vol. 1 (Vol. 1, pp. 113–129). Helsinki: Helsinki Zoo.
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Weilenmann, P. (1978). First experiences in keeping snow leopards in the Zurich Zoo. In L. Blomqvist (Ed.), International Pedigree Book of Snow Leopards, Vol. 1 (Vol. 1, pp. 35–43). Helsinki: Helsinki Zoo.
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Freeman, H. (1980). The snow leopard, today and yesterday. In L. Blomqvist (Ed.), International Pedigree Book of Snow Leopards, Vol. 2 (Vol. 2, pp. 37–43). Helsinki: Helsinki Zoo.
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Rieger, I. (1980). Some aspects of the history of ounce knowledge. In L. Blomqvist (Ed.), International Pedigree Book of Snow Leopards, Vol. 2 (Vol. 2, pp. 1–36). Helsinki: Helsinki Zoo.
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Rieger, I. (1982). Breeding ounces, Uncia uncia (Schreber, 1775) in zoological gardens. In L. Blomqvist (Ed.), International Pedigree Book of Snow Leopards, Vol. 3 (Vol. 3, pp. 49–50). Helsinki: Helsinki Zoo.
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Velte, F. (1982). Snow leopards at the Seneca Zoological Park, Rochester. In L. Blomqvist (Ed.), International Pedigree Book of Snow Leopards, Vol. 3 (Vol. 3, pp. 55–58). Helsinki: Helsinki Zoo.
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Vogt, P. (1982). New enclosures for snow leopards (Uncia uncia) at Krefeld Zoo. In L. Blomqvist (Ed.), International Pedigree Book of Snow Leopards, Vol. 3 (Vol. 3, pp. 67–70). Helsinki: Helsinki Zoo.
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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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Worley, M. B. (1982). Hypogammaglobulinemia in snow leopards. In L. Blomqvist (Ed.), International Pedigree Book of Snow Leopards, Vol. 3 (Vol. 3, pp. 129–130). Helsinki: Helsinki Zoo.
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Worley, M. B. (1982). Chronic liver disease in snow leopards: A possible viral etiology. In L. Blomqvist (Ed.), International Pedigree Book of Snow Leopards, Vol. 3 (Vol. 3, pp. 131–133). Helsinki: Helsinki Zoo.
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Sunquist, F. (1997). Where cats and herders mix. (snow leopards in Tibet and Mongolia). International Wildlife, 27(1), 27–33.
Abstract: The snow leopard inhabits a huge range of territory which encompasses some of Central Asia's most bleak and inhospitable terrains. The animal herders in these regions are desperately poor and yet they have agreed to cooperate with conservation groups in protecting the snow leopard. The World Wildlife Foundation has worked to create a refuge on the Pakistan-China border. Sheep herders near Askole, a village in the Baltistan region of northern Paksitan, drive their flocks past stone enclosures. The area is also home to snow leopards. With their natural prey dminished, leopards in 13 countries of central Asia occasionally feed on livestock, putting the cats on a collision course with mountain peoples.
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Freeman, H. (1974). A preliminary study of the behaviour of captive snow leopards (Panthera uncia). In International Zoo Yearbook (Vol. 15, pp. 217–222).
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Clyde, V. L., Ramsay, E. C., & Bemis, D. A. (1997). Fecal shedding of Salmonella in exotic felids. J.Zoo Wildl.Med, 28(2), 148–152.
Abstract: The authors discuss the occurrence of salmonellosis in collections of exotic felids. Data suggest that zoo employees having contact with cat feces or raw diets have a high rate of occupational exposure to Salmonella and should exercise appropriate hygienic precautions. pcp
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Johnson, W. E., Dratch, P. A., Martenson, J. S., & O'Brien, S. J. (1996). Resolution of recent radiations within three evolutionary lineages of Felidae using mitochondrial restriction fragment length polymorphism variation. Journal of Mammalian Evolution, 3(2), 97–120.
Abstract: Patterns of mitochondrial restriction fragment length polymorphism (RFLP) variation were used to resolve more recent relationships among the species of the Felidae ocelot lineage, domestic cat lineage, and pantherine lineage. Twenty-five of 28 restriction enzymes revealed site variation in at least 1 of 21 cat species. The ocelot lineage was resolved into three separate sister taxa groups: Geoffroy's cat (Oncifelis geoffroyi) and kodkod (O. guigna), ocelot (Leopardus pardalis) and margay (L. wiedii), and pampas cat (Lynchailurus colocolo) and most of the tigrina samples (Leopardus tigrina). Within the domestic cat lineage, domestic cat (Felis catus), European wild cat (F. silvestris), and African wild cat (F. libyca) formed a monophyletic trichotomy, which was joined with sand cat (F. margarita) to a common ancestor. Jungle cat (F. chaus) and black-footed cat (F. nigripes) mtDNAs diverged earlier than those of the other domestic cat lineage species and are less closely related. Within the pantherine lineage, phylogenetic analysis identified two distinct groups, uniting lion (P. leo) with leopard (P. pardus) and tiger (P. tigris) with snow leopard (P. uncia).
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Oli, M. K. (1994). Snow leopards and blue sheep in Nepal: Densities and predator: prey ratio. Journal of Mammalogy, 75(4), 998–1004.
Abstract: I studied snow leopards (Panthera uncia) and blue sheep (Pseudois nayaur) in Manang District, Annapurna Conservation Area, Nepal, to estimate numbers and analyze predator-prey interactions. Five to seven adult leopards used the 10-5-km-2 study area, a density of 4.8 to 6.7 leopards/100 km-2. Density of blue sheep was 6.6 10.2 sheep/km-2, and biomass density was 304 kg/km-2. Estimated relative biomass consumed by snow leopards suggested that blue sheep were the most important prey; marmots (Marmota himalayana) also contributed significantly to the diel of snow leopards Snow leopards in Manang were estimated to harvest 9-20% of total biomass and 11-24% of total number of blue sheep annually. Snow leopard: blue sheep ratio was 1:114-1:159 on a weight basis, which was considered sustainable given the importance of small mammals in the leopard's diet and the absence of other competing predators.
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McCarthy, K., Fuller, T., Ming, M., McCarthy, T., Waits, L., & Jumabaev, K. (2008). Assessing Estimators of Snow Leopard Abundance (Vol. 72).
Abstract: The secretive nature of snow leopards (Uncia uncia) makes them difficult to monitor, yet conservation efforts require accurate and precise methods to estimate abundance. We assessed accuracy of Snow Leopard Information Management System (SLIMS) sign surveys by comparing them with 4 methods for estimating snow leopard abundance: predator:prey biomass ratios, capture-recapture density estimation, photo-capture rate, and individual identification through genetic analysis. We recorded snow leopard sign during standardized surveys in the SaryChat Zapovednik, the Jangart hunting reserve, and the Tomur Strictly Protected Area, in the Tien Shan Mountains of Kyrgyzstan and China. During June-December 2005, adjusted sign averaged 46.3 (SaryChat), 94.6 (Jangart), and 150.8 (Tomur) occurrences/km. We used
counts of ibex (Capra ibex) and argali (Ovis ammon) to estimate available prey biomass and subsequent potential snow leopard densities of 8.7 (SaryChat), 1.0 (Jangart), and 1.1 (Tomur) snow leopards/100 km2. Photo capture-recapture density estimates were 0.15 (n = 1 identified individual/1 photo), 0.87 (n = 4/13), and 0.74 (n = 5/6) individuals/100 km2 in SaryChat, Jangart, and Tomur, respectively. Photo-capture rates
(photos/100 trap-nights) were 0.09 (SaryChat), 0.93 (Jangart), and 2.37 (Tomur). Genetic analysis of snow leopard fecal samples provided minimum population sizes of 3 (SaryChat), 5 (Jangart), and 9 (Tomur) snow leopards. These results suggest SLIMS sign surveys may be affected by observer bias and environmental variance. However, when such bias and variation are accounted for, sign surveys indicate relative abundances similar to photo rates and genetic individual identification results. Density or abundance estimates based on capture-recapture or ungulate biomass did not agree with other indices of abundance. Confidence in estimated densities, or even detection of significant changes in abundance of snow leopard, will require more effort and better documentation.
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Rothschild, B. M., Rothschild, C., & Woods, R. J. (1998). Inflammatory arthritis in large cats: An expanded spectrum of spondyloarthropathy. Journal of Zoo and Wildlife Medicine, 29(3), 279–284.
Abstract: Spondyloarthropathy was documented for the first time in 14 (3.7%) of 386 large cats, affecting eight species belonging to three genera. The limited distribution of joint erosions, associated with spine and sacroiliac joint pathology, was indistinguishable from that occurring in humans with spondyloarthropathy of the reactive type. This form of inflammatory arthritis is almost twice as common as osteoarthritis (for felids as a whole), and animal well-being may be enhanced by its recognition and by initiation of specific treatment.
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Wack, R. F., & Kramer, L. W. (1995). Multifocal osteomyelitis in a young snow leopard (Panthera uncia). Journal of Zoo and Wildlife Medicine, 26(4), 553–563.
Abstract: A 5-mo-old male snow leopard (Panthera uncia) was presented for mild rear leg lameness. Osteomyelitis was suspected on the basis of radiographic changes and confirmed by histopathology of a biopsy sample from the affected bone. Aerobic cultures of the biopsies repeatedly grew Klebsiella oxytoca. Repeated anaerobic and fungal cultures did not result in growth. The leopard was treated unsuccessfully with cefadroxil, chloramphenicol, and trimethoprim/sulfadiazine despite apparent in vitro sensitivity to these antibiotics. Successful resolution was eventually achieved with enrofloxacin, 7.5 mg/kg p.o. b.i.d. for 60 days. The number of bones involved (right humerus, right and left ulna, right and left radius, right and left femur, right and left tibia, mandible, right metatarsus) made this an unusual presentation of osteomyelitis.
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