The results of the conducted experiment on the feeding of “Biolekks” premix, bentonite clay and treacle to the black and motley breed cows in the lactation period are considered in the article. The complex and separate influence of the additive on the milk yield, the milk fat and milk protein output, as well as the cow blood biochemical indicators were defined in the experiment.
blood biochemical indicator, feed additive, “Biolekks” premix, bentonite clay, treacle, black and motley breed cows
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