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Chubykina, H. L., Shilo, R.A. (1981). A study of diurnal activity rhythms in snow leopards and lynx (Panthera uncia and Felix lynx) at Novosibirsk Zoo. International Zoo Yearbook, 21, 193–196.
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Asai, K. (1976). Animals waiting for salvation.
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Aspinall, J. (1979). New enclosures at Howletts and Port Lympne (Vol. 2).
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Clevenger, S. (1980). Snow leopards: Captivity perpetuates the species (Vol. XVI).
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Aspinall, J. (1978). Some aspects of breeding tigers and other big cats. Friends of Howletts and Port Lympne, 1(Spring), 26–32.
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Houston Zoological Society. (1979). Houston's summer snow.
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Portland Zoological Society. (1976). Snow leopards, animals of the month (Vol. 5).
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Seneca Park Zoo. Meat loan saves leopard.
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Woodland Park Zoo. (1980). No vacancy.
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Lindee, S. Snow leopard's back repaired.
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Clapp, M. Rare cat has back problems. San Antonio News.
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Freeman, H., Braden, K. (1977). Zoo location as a factopr in the reproductive behavior of captive snow leopards, Uncia uncia. Zoological Garten J.F., 47(3/4), 280–288.
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Ulmer, F. A. (1966). Voices of the Felidae. Stock, , 259–262.
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Schneider, V. K. M. (1936). Einige bilder zur Aufzucht eines schneeleoparden. Dresden Zoological Garden, , 37–39.
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Krumbiegel, V. I. (1936). Die schneeleoparden (Felis uncia Schreb.) des Dresdner Zoologischen Gartens. Dresdner Zoologischen Gartens, , 34–37.
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Konrath, R. (1975). Snow leopard born at Milwaukee. Animal Keepers' Forum, 11(11).
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Marma, B. B., Yunchis, V.V. (1969). Biology of the snow leopard (Panthera uncia uncia). Zoologicheskii Zhurnal, 47(11), 1689–1694.
Abstract: The methods to obtain progeny of the snow-leopard (Panthera uncia uncia) in captivity were being elaborated in the zoological garden of Kaunas, Lithuanian SSR. The blood characteristics for snow-leopards is given and compared to that for African lions and Sumatran tigers. A series of internal, external and clinical indices is established. The rut lasts for 5-7 day, the duration of pregnancy equals 98 days. The duration of lactation varies from 3 to 4 months. Sexual maturity is attained on the 3rd-4th year. From 1960 to 1967 in zoological ghardens of the world abuot 29 snow-leopards were born. 14 of them -- in the Kauna zoological garden.
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Mayo, J. G. (1967). Report on the tranquillisation of a male Snow leopard Panthera uncia for semen extraction. International Zoo Yearbook, VII(7), 148–150.
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National Zoological Park. (1974). Significant birth and hatchings at the National Zoological Park: Studbook for snow leopards (Uncia uncia).
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Encke, B. (1967). Die sucht von schneeleoparden (Uncia uncia) im Krefelder Tierpark (Vol. 9).
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Encke, B. (1966). The breeding of snow leopards (Uncia uncia) in the Krefeld Zoo. Freunde des Kolner Zoo, 9(Winter 1966/1967), 145–146.
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Freeman, H. (1980). Breeding and behavior of the snow leopard.
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Jones, M. L. (1977). The snow leopard in captivity (R. L. Eaton, Ed.) (Vol. III).
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Kitchener, S. L., Merritt, D.A., Rosenthal, M.A. (1974). Observations on the management, physiology, and hand rearing of snow leopards (Panthera uncia) at Lincoln Park Zoo, Chicago, from 1960-1974.
Abstract: Data on the 28 snow leopards born at the zoo in a 13 year period.
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Blomqvist, L. (1984). Conservation Measurements taken for the Captive Snow Leopard, Panthera uncia, Population and a Report of Fluctuations in Stock in 1983. Int.Ped Book of Snow Leopards, 4, 55–71.
Abstract: Reports on conservation measures over the past 10 years. Notes current snow leopard exchange programs between zoos in the US and USSR and Europe. Describes status and reproductive success of the captive snow leopard population, list animals currently in captivity.
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