FIELD: agriculture.
SUBSTANCE: method includes determination of ceruplasmin type in blood serum of cow calves at the age of 8-10 months. Animals having type CpBB are classified as the stress resistant one during puerperal period, and animals having type CpAA and CpAB are referred to animals to sensitive to stress.
EFFECT: method provides with quick and accurate prediction at the early age of resistance to stress or sensitive to stress of mature cows during puerperal period.
1 tbl, 1 ex
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