Age-old dynamics of the productivity of sperm of oxen-inseminators of Holstein of breed of different types of stress resistance
2015
PRYSHEDKO, V.
Results over of researches of age-old dynamics of sperm productivity oxen-inseminators are brought depending on to the type them stress resistance. Set, that high level of stress resistance bulls before arrived at the high indexes of sperm productivity and prevailed the animals of opposite type after an amount and quality of the got sperm in age 12-24 months and 5-years-old age, accordingly: on 12,09…83,72% (Р>0,95) and 9,71…80,46% (Р>0,95…0,99). It is found out, that with the increase of type of stress resis- tance oxen-inseminators quantitative and high-quality indexes get better them sperm.
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