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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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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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Hemmer, H. (1972). Mammalian Species: Uncia uncia. Mammalian Species, 20, 1–5.
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Konrath, R. (1975). Snow leopard born at Milwaukee. Animal Keepers' Forum, 11(11).
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Konrath, R. (1975). Snow leopard born at Milwaukee. Animal Keepers' Forum, 11(11).
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Green, M. (1981). A check-list and some notes concerning the mammlas of the Langtang National Park, Nepal. Journal of the Bombay Natural History Society, 78(1), 77–87.
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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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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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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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Krumbiegel, V. I. (1936). Die schneeleoparden (Felis uncia Schreb.) des Dresdner Zoologischen Gartens. Dresdner Zoologischen Gartens, , 34–37.
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