О. I. Ulevich. Milk productivity of cows in conditions of using sunflower and rapeseed meal in the rations

UDC 636.2.086

DOI: 10.31521/2313-092X/2018-4(100)-14

О. I. Ulevich
ORCID ID: 0000-0003-1594-0700

The results of the dependence of the milk productivity of cows on the use in the rations of sunflower and rapeseed meals are given.  An introduction to the composition of diets for feeding cows of a dairy herd of sunflower and rapeseed meals has been proposed, which makes it possible to increase the protein content and improve the nutritional value of the rations.  The use of rapeseed meal leads to an increase in poorly soluble protein, which positively affects the performance of milk production of cows.  The use of sunflower and rapeseed meals in the amount of 0.5 kg provides an increase in the milk yield of basic (3.4%) fat content by 13.3% and 17.1%, respectively, compared to the control.  Inclusion in the rations of cows feeding dairy herd of rapeseed meal containing more, compared to sunflower meal, the amount of protein protected from splitting in the rumen, contributes to an increase in milk yield and fat content in milk of cows.

Key words: milk productivity, ration, rapeseed meal, sunflower meal, insoluble protein.

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