Conservation of genetic resources of subfamily Bovinae by the establishment of a cryo-bank
Keywords:Bovinae, European bison, yak, sperm, semen cryopreservation, electro-ejaculation, male sex cells, cryo-banks
Conservation of genetic resources is connected with numerous problems which solution is crucial for the success of the entire program. At present the only effective method of long-term conservation of genetic material is its deep freezing in liquid nitrogen at -196°C. Some positive results were also obtained with the use of liquid oxygen which allows the use of lower temperatures. Cryo-conservation of sex cells of representatives of the Bovinae subfamily is widely applied in breeding practices. Experiences in cryo-preservation of sex cells of the European bison (Bison bonasus) and yak‘s (Bos mutus) are discussed.
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Copyright (c) 2012 Taras P. Sipko
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