Abstract
Sapropel has long been used as a feed additive to enrich the diet with minerals, amino acids, vitamins and biologically active substances. The purpose of the presented work was to study the effectiveness of the use of organic sapropel from the Udkhodva deposit in the Brest region in the diets of dairy cows. It was found that the inclusion of 4 and 6 % of organic sapropel in the compound feed for dairy cows had a positive effect on feed intake, physiological state and metabolic processes in the body of animals. This made it possible to increase milk productivity by 9.5 and 9.1%, reduce feed costs by 4.9%, the cost of milk - by 6.4 and 4.3%, get additional profit for all products and save 4-6% of grain in compound feed.
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