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Filla, M., Lama, R. P., Ghale, T. R., Signer, J., Filla, T., Aryal, R. R., Heurich, M., Waltert, M., Balkenhol, N., Khorozyan, I. |
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In the shadows of snow leopards and the Himalayas: density and habitat selection of blue sheep in Manang, Nepal |
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2020 |
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Ecology and Evolution |
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2021 |
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11 |
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108-122 |
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Annapurna Conservation Area, bharal, Panthera uncia, predator-prey, Pseudois nayaur |
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There is a growing agreement that conservation needs to be proactive and pay increased attention to common species and to the threats they face. The blue sheep (Pseudois nayaur) plays a key ecological role in sensitive high-altitude ecosystems of Central Asia and is among the main prey species for the globally vulnerable snow leopard (Panthera uncia). As the blue sheep has been increasingly exposed to human pressures, it is vital to estimate its population dynamics, protect the key populations, identify important habitats, and secure a balance between conservation and local livelihoods. We conducted a study in Manang, Annapurna Conservation Area (Nepal), to survey blue sheep on 60 transects in spring (127.9 km) and 61 transects in autumn (134.7 km) of 2019, estimate their minimum densities from total counts, compare these densities with previous estimates, and assess blue sheep habitat selection by the application of generalized additive models (GAMs). Total counts yielded minimum density estimates of 6.0–7.7 and 6.9–7.8 individuals/km2 in spring and autumn, respectively, which are relatively high compared to other areas. Elevation and, to a lesser extent, land cover indicated by the normalized difference vegetation index (NDVI) strongly affected habitat selection by blue sheep, whereas the effects of anthropogenic variables were insignificant. Animals were found mainly in habitats associated with grasslands and shrublands at elevations between 4,200 and 4,700 m. We show that the blue sheep population size in Manang has been largely maintained over the past three decades, indicating the success of the integrated conservation and development efforts in this area. Considering a strong dependence of snow leopards on blue sheep, these findings give hope for the long-term conservation of this big cat in Manang. We suggest that long-term population monitoring and a better understanding of blue sheep–livestock interactions are crucial to maintain healthy populations of blue sheep and, as a consequence, of snow leopards. |
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1683 |
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Liao, Y.F. |
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Title |
The Geographical Distribution of Ounces in Qinghai Province |
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Journal Article |
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1985 |
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Acta Theriologica Sinica |
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5 |
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3 |
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183-188 |
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China; Qinghai; distribution; browse; 5470; ounce; panthera; panthera uncia; Panthera-uncia; uncia; province; 20; Qilian; number; 40; Male; Female; park; Adult; bharal; Pseudois; breeding; people; birth; young; Chinese |
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This paper deals with the geographical distribution of ounces (Panthera uncia) in Qinghai Province. Ounces are distributed in 20 counties- Guide, Huzhu, Menyuan, Qilian, Tianjun, Dulan, Golmud, Guinan, Xinghai, Zhidoi, Zadoi, Nangqen, Yushu, Chindu, Qumarleb, Madio, Maqen, Jigzhi, Baima, Darlag. Among them, there fore 4 counties- Qilian, Tianjun, Dulan, Zadoi, in which the number of ounces are bigger. The number of ounces are shown in table 2. There are altogether 73 ounces (40 male, 33 female) which is supported to every park of China for ornamental, they were captured by fellow-villagers, and 44 ounces (23 male, 21 female) of them are below 6 months old, 9 ounces (6 male, 3 female) of them are 1 year old, 2 ounces (male) are 2 years old, and 18 ounces (9 male, 9 female) are adults.
Ounces live at an altitude of 3000-4100 metres above the sea, and prefer to eat Bharal (Pseudois noyour). Its breeding period goes from April to June, the number of embryos being 2-3.
A female ounce was successfully reproduced for the first time at Xining People's Park of China, in Spetember, 1984, and she gave birth to 3 young ounces. |
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Document Type: Chinese |
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SLN @ rana @ 531 |
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617 |
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Espinosa-Aviles, D.; Taylor, M.L.; Del Rocio Reyes-Montes, M.; Pe'rez-Torrez, A. |
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Molecular findings of disseminated histoplasmosis in two captive snow leopards (Uncia uncia) |
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Miscellaneous |
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2008 |
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Journal-of-Zoo-and-Wildlife-Medicine |
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39 |
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450-454 |
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captive; histoplasmosis; Immunohistochemistry; Molecular; snow leopard; Uncia uncia |
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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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SLN @ rana @ 907 |
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268 |
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Riordan, P. |
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Unsupervised recognition of individual tigers and snow leopards from their footprints |
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1998 |
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Animal Conservation |
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1 |
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253-262 |
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captive; panthera tigris; panthera uncia; snow leopard; techniques; tiger |
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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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SLN @ rana @ 896 |
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823 |
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Khatiwada, J.R.; Chalise, M.K.; Kyes, R. |
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Survey of Snow Leopard (Uncia uncia) and Blue Sheep (Pseudois nayaur) populations in the Kangchenjunga Conservation Area (KCA), Nepal. Final report |
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Report |
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2007 |
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1-13 |
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survey; snow; snow leopard; snow-leopard; leopard; uncia; Uncia uncia; Uncia-uncia; blue; blue sheep; blue-sheep; sheep; Pseudois; pseudois nayaur; Pseudois-nayaur; nayaur; populations; population; conservation; area; Nepal; Report; study; information; management; system; Slims; relative abundance; abundance; transects; transect; length; sign; scrapes; scrape; 20; feces; scent; pugmarks; hairs; Hair; using; livestock; livestock depredation; livestock-depredation; depredation; patterns; herders; herder; snow leopards; snow-leopards; leopards; Animals; Animal |
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This study was carried out in the Kangchenjunga Conservation Area (KCA), Eastern Nepal from Feb – Nov 2007. We used the Snow Leopard Information Management System, SLIMS (second order survey technique) to determine the relative abundance of snow leopard in the upper part of KCA. Altogether, 36 transects (total length of 15.21 km) were laid down in the major three blocks of KCA. 104 Signs (77 scrapes, 20 feces, 2 Scent mark, 3 Pugmarks and 2 hairs) were recorded. Fixed-point count method was applied for blue sheep from appropriate vantage points. We counted total individual in each herd using 8x42 binocular and 15-60x spotting scope. A total of 43 herds and 1102 individuals were observed in the area. The standard SLIMS questionnaire was conducted to find out relevant information on livestock depredation patterns. Out of 35 households surveyed in KCA, 48% of herders lost livestock due to snow leopards. A total of 21 animals were reportedly lost due to snow leopards from August to September 2007. |
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Project funded by Snow Leopard Network's Snow Leopard Conservation Grant Program. |
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SLN @ rana @ 1070 |
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533 |
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Thapa, K., Jackson, R., Gurung, L, Acharya, H. B., Gurung, R. K., |
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Applying the double observer methodology for assessing blue sheep population size in Nar Phu valley, Annapurna Conservation Area, Nepal |
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2021 |
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Wildlife Biology |
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1-11 |
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blue sheep, density estimation, double observer counts, Nepal, Panthera uncia, prey abundance, Pseudois nayaur, snow leopard, viewshed mapping |
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This study was undertaken in spring, 2019 to assess the applicability of the double-observer survey method for estimating blue sheep Pseudois nayaur abundance in Nar-Phu valley of Manang District located in Annapurna Conservation Area of northern Nepal. Since counting large mammals in rugged mountain habitat poses a special challenge, we tested the efficacy of the double observer method for generating robust population estimates for this important protected area. The overall detection probability for observers (O1 and O2) was 0.94 and 0.91 for a total of 106 groups comprised of 2059 individual blue sheep. We estimated the area’s blue sheep population at 2070 (SE ± 168.77; 95% CI 2059–2405) for the 246.2 km2 of sampled habitat. We determined blue sheep to be widely distributed within the study area with a mean density of 8.4 individuals per km2 based on a total study area of 246.2 km2. We discuss demographic population structure and identify limitations when applying the double observer approach, along with recommending viewshed mapping for ensuring more robust density estimates of mountain-dwelling ungulates like blue sheep or ibex that inhabit extremely heterogeneous terrain which strongly influences sighting distances and overall animal detection rates. |
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SLN @ rakhee @ |
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1666 |
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Hanson, J. H., Schutgens, M., Lama, R.P., Aryal, A., Dhakal, M. |
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Local attitudes to the proposed translocation of blue sheep Pseudois nayaur to Sagarmatha National Park, Nepal |
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2018 |
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Fauna & Flora International |
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1-7 |
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Attitudes, blue sheep, human&wildlife conflict, Panthera uncia, Pseudois nayaur, Sagarmatha National Park, snow leopard, translocation |
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Translocations are an important tool for the conservation
of biodiversity, but although ecological feasibility
studies are frequently conducted prior to implementation,
social feasibility studies that consider how local communities
perceive such projects are less common. The translocation
of blue sheep Pseudois nayaur to Sagarmatha National
Park, Nepal, has been proposed, to reduce livestock depredation
by snow leopards Panthera uncia by providing an alternative
prey base in addition to the small population of
Himalayan thar Hemitragus jemlahicus. This study used
systematic sampling, a quantitative questionnaire and qualitative
interviews within the Park to provide data on the social
viability of the proposed translocation. Quantitative
analysis revealed moderate levels of support but qualitative
analysis suggested that there are significant concerns about
the proposal. In addition,multiple regression analysis found
that women and livestock owners were significantly less
supportive, although the model had low explanatory
power. Potential crop damage and competition for forage
were frequently cited as concerns, especially amongst
those with a high level of dependence on natural resources.
Given the mixed response to the proposed translocation of
blue sheep to the Everest region, alleviating the reservations
of local residents is likely to be key to any further consultation,
planning or implementation. |
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1475 |
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Lovari, S., Boesi, R., Minder, I., Mucci, N., Randi, E., Dematteis, A., and Ale, S. B. |
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Restoring a keystone predator may endanger a prey species in a human-altered ecosystem: the return of the snow leopard to Sagarmatha National Park |
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Journal Article |
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2009 |
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Animal Conservation |
Abbreviated Journal |
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12 |
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559-570 |
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conservation, food habits, genetics, Hemitragus jemlahicus, Himalayan tahr, management, microsatellite, predation, presence, scat, scat analysis, snow leopard, Uncia uncia |
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Twenty-five years ago, the snow leopard Uncia uncia, an endangered large cat, was eliminated from what is now Sagarmatha National Park (SNP). Heavy hunting pressure depleted that area of most medium-large mammals, before it became a park. After three decades of protection, the cessation of hunting and the recovery of wild ungulate populations, snow leopards have recently returned (four individuals). We have documented the effects of the return of the snow leopard on the population of its main wild prey, the Himalayan tahr Hemitragus jemlahicus, a 'near-threatened' caprin. Signs of snow leopard presence were recorded and scats were collected along a fixed trail (130 km) to assess the presence and food habits of the snow leopard in the Park, from 2004 to 2006. Himalayan tahr, the staple of the diet, had a relative occurrence of 48% in summer and 37% in autumn, compared with the next most frequent prey, musk deer Moschus chrysogaster (summer: 20%; autumn: 15%) and cattle (summer: 15%; autumn: 27%). In early summer, the birth rate of tahr (young-to-female ratio: 0.8-0.9) was high. The decrease of this ratio to 0.1-0.2 in autumn implied that summer predation concentrated on young tahr, eventually altering the population by removing the kid cohort. Small populations of wild Caprinae, for example the Himalayan tahr population in SNP, are sensitive to stochastic predation events and may be led to almost local extinction. If predation on livestock keeps growing, together with the decrease of Himalayan tahr, retaliatory killing of snow leopards by local people may be expected, and the snow leopard could again be at risk of local extinction. Restoration of biodiversity through the return of a large predator has to be monitored carefully, especially in areas affected by humans, where the lack of important environmental components, for example key prey species, may make the return of a predator a challenging event. |
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1122 |
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Fix, A.S.; Riordan, D.P.; Hill, H.T.; Gill, M.A.; Evans, M.B. |
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Feline panleukopena virus and subsequent canine-distemper virus infection in two snow leopards (Panthera uncia) |
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1989 |
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Journal of Zoo and Wildlife Medicine |
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20 |
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3 |
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273-281 |
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diagnosis; fecal; Fpv; leukemia; panleukopenia; panthera uncia; snow leopard; therapy; vaccination; veterinary; Virus; zoo |
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Two adult snow leopards (Panthera uncia), male and female, both with vaccinations current, became infected with feline panleukopenia virus (FPV) at the Blank Park Zoo, Des Moines, Iowa, in late 1988. Clinical signs included weakness, hemorrhagic feces, fever, seizures, and nasal discharge. Blood analysis revealed severe lymphopenia and mild anemia. A positive enzyme-linked immunosorbent assay (ELISA) test for FPV on fecal contents from the male leopard confirmed the diagnosis. In spite of intensive therapy, both animals died. Necropsy of the female, which survived for 1 wk after onset of signs, revealed intestinal crypt necrosis, pulmonary consolidation, necrotizing laryngitis, and diffuse lymphoid depletion. The male leopard, which lived 3 wk after onset of illness, had similar enteric and lymphoid lesions. In addition, there was a severe interstitial pneumonia, with syncytial cells containing eosinophilic intracytoplasmic inclusion bodies. Ultrastructural characteristics of these inclusions featured tubular structures consistent with a paramyxovirus. Although repeated virus isolation attempts from the affected lung were negative, polyclonal and monoclonal fluorescent antibody tests were strongly positive for canine distemper virus (CDV). Frozen paired sera from each leopard demonstrated very high acute and convalescing titers to FPV; both animals also seroconverted to CDV, with titers in the male leopard higher than those in the female. Additional tests for toxoplasmosis, feline infectious peritonitis, feline rhinotracheitis, feline calicivirus, feline leukemia, canine parainfluenza, and bovine respiratory syncytial virus were all negative. The neurologic signs present in these leopards remained unexplained, but may have been attributable to CDV infection. A feral cat trapped on zoo property had feces positive for FPV by ELISA. Although the specific contributions of FPV and CDV toward the development of this case are unknown, it is likely that initial FPV-induced immunosuppression allowed the subsequent development of CDV in these snow leopards. The likelihood that initial FPV infection came from feral cats underscores the importance of feral animal control on zoo premises. |
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Addresses:FIX AS, IOWA STATE UNIV SCI & TECHNOL,DEPT VET PATHOL,AMES,IA 50011IOWA STATE UNIV SCI & TECHNOL,VET DIAGNOST LAB,AMES,IA 50011BLANK PK ZOO,DES MOINES,IA 50315NORDEN LABS INC,LINCOLN,NE 68501NATL VET SERV LABS,AMES,IA 50010 Publisher:AMER ASSOC Z00 VETERINARIANS, MEDIA Connective Phrase: English |
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SLN @ rana @ 147 |
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277 |
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Barnett, K.C.; Lewis, J.C.M. |
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Multiple ocular colobomas in the snow leopard (Uncia uncia) |
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2002 |
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Veterinary Ophthalmology |
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5 |
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197-199 |
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captive; Coloboma; cub; eyelid; ocular fundus; snow leopard; Uncia uncia |
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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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SLN @ rana @ 913 |
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119 |
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