THE MILK YIELD OF HOLSTEIN BREED OF COWS AFTER FIRST CALVING

The milk productivity of Holstein cows in the first three months of lactation was 2699 kg. The maximum milk yield was recorded in the second month of lactation - 989 kg. Over 305 days of lactation, 9836 kg of milk was obtained from the cows of the experimental group. During the completed lactation, milk yield reached 11,408 kg of milk. The mass fraction of fat and protein in cows' milk increased in the last period of lactation; its average value was 3.71 and 3.59%, respectively.