METHOD OF SELECTING HIGH-PRODUCTIVE COWS Russian patent published in 2018 - IPC A01K67/02 

FIELD: agriculture.

SUBSTANCE: invention is a method of early selection of cows by milk production in a breeding core, which includes selecting animals in the second milking month of the first lactation with a conditional udder size (udder circumference × to the average depth of the udder) more than 3000.0 cm², where selecting from the group of animals in which the milk yield intensity index is higher than the average index of the group by one sigma , where is the average value of the characteristic; σ is the mean square deviation.

EFFECT: invention allows to quickly and accurately predict in the second month of lactation the future productivity of cows in the next 305 days of lactation and to form a breeding core in farms with different levels of productivity.

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