FIELD: animal breeding.
SUBSTANCE: invention relates to animal breeding, in particular to horse breeding. Concentration of L-carnitine is determined in spermoplasm, and if concentration of L-carnitine is more than 103 mcmol/l, the stallion is referred to a group with high cryo-resistance of sperm. If the concentration of L-carnitine is lower than 103 mcmol/l – to the group with low cryo-resistance of sperm.
EFFECT: method enables to select stallions with high cryo-resistance of sperm.
1 cl, 2 tbl
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