ВЛИЯНИЕ ПРОТЕИНОВЫХ КОРМОВЫХ ДОБАВОК НА МОЛОЧНУЮ ПРОДУКТИВНОСТЬ КОЗ ЗААНЕНСКОЙ ПОРОДЫ

Abstract

The productivity of ruminant animals largely depends on the provision of rations with a sufficient amount of high-grade protein, the quality of which is characterized by a general level of intake from the prednis and the composition of amino acids available for absorption in the intestine. The number of these amino acids is an objective criterion of protein nutrient feeding. The article presents the results of studying the effect of protein feed additives on milk productivity and the quality of lactating goat milk of Zaanen breed. The scientific and economic experience was carried out on three groups of goats of Zaanen breed of the first lactation, formed on the principle of para- analogues. Studies have established that the equivalent replacement in the diet of a sunflower meal with soybean and red oilcake significantly increases the average daily milk yield by 16.1% (P 0.01) and 11.7% (P 0.05). The qualitative indicators of goat milk of these experimental groups also had slightly higher values. So, the milk of goats, that received red oilcake, by the mass fraction of protein, exceeded the milk of goats that received sunflower oil cake by 0.08% (p0.05), soybean cake - by 0.11% (p0.01). Our research, aimed at a comprehensive study of the effectiveness of using sunflower, soybean and rye cake in rations of lactating goats, taking into account their effect on milk production of goats, the composition and technological properties of milk, morphological and biochemical indicators of blood, are topical, of scientific and practical importance.