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The characteristics of the reproductive capacity of hybrids of the bison (Bison bison L.) with the domestic cow (Bos (Bos) primigenius taurus). The reproductive capacity of hybrid femalesReview Reproduction ability of hybrid females received in various variants of absorbent and variable crossing of bison and domestic cow has been studied. Normal development of genitals, oogenesis, display of sexual activity, as well as fertilization have been found in all females, independently of their blood content. Frequent cases of "relative" sterility in some females of the I-III generations have immunological character and are predominantly caused by the mortality of embryos and fetuses at various stages of pregnancy. Their number decreases gradually as blood portion of one of the initial species increases in each successive generation.
Tsitologiya i Genetika 1997, vol. 31, no. 1, pp. 81-91
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