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The use of substitute whole milk in the correction processes rumen digestion in calves

The formation of cicatricial processes in calves is an important component of the process of growing viable animals, which we studied under the conditions of introduction into the diet of three groups of calves whole milk substitutes for three months. Correction of cicatricial digestion of calves of the early neonatal period significantly increases its parameters and affects the metabolism in animals. It was found that at the end of the equalization period the content of amylolytic, proteolytic, cellulosolytic microorganisms and their specific activity in the contents of the scar of animals of the experimental groups fluctuated slightly. The quantitative composition of rumen microorganisms determined the content of the total mass of rumen microorganisms and the total concentration of volatile fatty acids in the rumen, which ranged from 9.13±0.12 to 9.45±0.24 mmol/100 ml. The content of total, residual and protein nitrogen in the scar content of calves of all groups was almost the same at the end of the equalization period. The introduction into the diet of calves of the neonatal period of feed mixtures Lactophyte-T and Lactophyte-TP increased the activity of the main groups of microorganisms of the rumen and, most importantly – cellulosolytic microorganisms. In calves of the experimental groups, the content of volatile fatty acids and protein nitrogen in the contents of the scar increased. Volatile fatty acids in the blood of calves of the experimental groups were found in 1.08–1.28 times more than in calves of the control group (p<0.01). The content of ketone bodies in the blood of calves of the third group was significantly lower by 1.14 times, urea was lower by 1.12 times (p<0.05). The increase in the activity of scar fermentation processes contributed to the fact that the increase in body weight in calves of the experimental groups was during the experimental period in 1.36–1.57 and 1.42–1.57 times (p<0.01), more than in the control animals. In the future, research on the formation and correction of scar digestion will provide the body of animals with full metabolic metabolites, microbial protein and volatile fatty acids and promote the growth and development of animals.