Russian Federation
Russian Federation
Russian Federation
UDC 636.087.8
By the study results, the probiotic Mucinol given to cows at early lactation time at a dose of 20 ml per head day caused a 5.6-% increase in milk yield (p≤0.05) without changes in milk fat and protein content. Including Mucinol in the diet of cows affected the protein, carbohydrate, mineral and vitamin metabolism. For example, the total protein concentration in the blood of animals in the experimental group, compared to the control group, exceeded the lower reference limit and was significantly higher by 10.5 % (p≤0.05). The glucose level in both groups exceeded reference limits but it was lower by 14.7 % (p≤0.05) in the experimental group compared with control animals. The calcium-to-phosphorus ratio in experimental cows increased from 1.39 to 1.72 and became balanced. The carotene level increased significantly from 0.56 to 0.68 mg % (p≤0.05), indicating the activity and abundance of carotene-synthesising bacteria and other beneficial microorganisms in the digestive tract.
probiotics, Bacillus subtilis, Mucinol, cows, milk yield, blood, protein, glucose, carotene
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