METHOD OF FEEDING CALVES FROM 20TH TO 60TH DAY OF REARING Russian patent published in 2014 - IPC A23K1/16 A23K1/00 

FIELD: agriculture.

SUBSTANCE: invention relates to feeding calves of dairy and beef breeds from the 20^th to the 60^th day of rearing, and can be used in the mixed feed industry and directly in livestock farms. In the morning portion of the basic diet feed the symbiotic preparation Prolizer based on the strain E. coli VL-613 is added based on 250 million to 350 million bacterial cells per one calf once a day.

EFFECT: feeding the preparation Prolizer due to its ability to produce lysine in the gastrointestinal tract of calves, which helps to normalise intestinal microbiocenosis, promotes better digestion of feed and its components, enables to reduce the cost of products per kg of weight gain, to increase the safety of young animals, enables to reduce the incidence of calves, contributing to saving medicinal products.

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