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The completeness of animal nutrition rations in terms of the content of minerals is considered one of the conditions for balanced feeding, since their lack in the diet often leads to metabolic process disorder among animals, which reduces growth and development, productivity, disturbs reproductive ability, and develops endemic diseases. Currently, for the partial compensation of trace mineral deficiency in the diets of use mineral substances of natural origin. One of such sources is bentonite clay of the Zamankul deposit. Taking into account the significant increase of the economically useful traits among young cattle identified in our studies when feeding with bentonite, substantiated by physiological studies, we performed research to study the exchange of nitrogen, mineral elements and the digestibility of nutrients in the body of 9 - 18-month-old cattle of the Simmental breed for fattening at the farm “Kaloev”, stanitsa Zmeyskaya, North Ossetia-Alania. Studies have established the digestibility of nutrient increase in the feed ration from 1.8 to 3.5%, a significantly greater retention of nitrogenous substances in the body of animals fed with bentonite - by 8.2%, a significant improvement of mineral element use in the feed.

The effect of bentonite feeding for young cattle on the exchange of nitrogen, mineral elements and the digestibility of diet nutrients