Marma B.B.and Yunchis V.V. (1968). A contribution to biology of the Snow-leopard (Panthera uncia uncia) (by observations in captivity) (Vol. XLVII, issue 11.).
Abstract: The methods to obtain the 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 Sumatrian tigers. A series of internal, external and clinical indices is established. The rat 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 garden of the world about 29 snow leopards were born, 14 of them in the Kaunas zoological garden.
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Pokrovskiy V.S. (1979). The role of zoos in conservation of rare predator mammal species.
Abstract: Snow leopards are kept in 50 zoos worldwide, where some 70 animals were born. There are 26 snow leopards in 28 zoos of the USSR. The zoos of Chicago and Kaunas are specialized in breeding snow leopards.
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Sosnovskiy I.P. (1981). Backstage of the Zoo.
Abstract: It describes the Moscow Zoo services organization in a popular form; examples from every day work of the technical staff and zoo technical and veterinary service, animals' behaviour outside the cages are given.
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Yanke, R. (1976). Think snow.
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Kaunas Zoo. (1962). On the propagation of snow leopards in zoological gardens.
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Clevenger, S. A. (1980). Snow leopards born... and born... and born at OKC Zoo.
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Phillips, L. G. (1981). Palpebral coloboma in three snow leopards.
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Phillips, L. (1980). Post-mortem records, Henry Doorly Zoo, Omaha, Nebraska.
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Camp, V. (1976). The winter pussycat (Vol. XII).
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Clevenger, S. (1980). Snow leopards: Captivity perpetuates the species (Vol. XVI).
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