The article presents analysis of different dosage feed additive vitasalt infl uence on hematologic indexes, digestive processes of highly productive black and white cattle. They have mentioned that in a case of increasing they it as alt dosa geat farm diet of the experimental animals they noticed the increase of morphologic and bio-chemical characteristics of blood. These characteristics have approached the physiologic norm for milking cows. The data we have got has au then tic in crease. The study of digestion in rumen of ruminants has let determine metabolic changes in protein metabolism. During the farm experiment we have determined that in a case of increasing feed additive dosage there is increase of total, protein and non-protein nitrogen in rumen. Wehavenoticedrumenliquidр Нincreaseandthe approach of this index to physiologic norm of milking cows. Thus, feed additive vitasalt usage in diet has led to normalization of metabolic processes in ruminants’ rumen and approaching the physiologic norms of hematologic indexes.
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