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The article presents the results of studies on the introduction of a tissue biostimulator to dry cows in order to study its effect on some biological characteristics and growth rate of calves obtained from them. Dry cows of the experimental group were injected with a tissue biostimulator subcutaneously, four times with an interval of 14 days at a dose of 22.5 ml/head, control animals – saline solution in the same dose and multiplicity. Calves of the experimental group showed an increase in the total amount of protein in the blood serum by 2.7% (P≥0.05), albumin by 1.2% (P≥0.05), γ globulins by 1.5% (P≥0.05), albumin-globulin coefficient by 5.6% (P≥0.05) in comparison with the control. Experimental animals had a greater live weight from 2 to 6 months of age by 17.9% (P≥0.001) 23.4% (P≥0.05) in comparison with the control. An increase in average daily and absolute increase in live weight in calves of the experimental group in the 1st and 2nd month of growing by 62.9% (P≥0.05) and 64.2% (P≥0.001) was detected, respectively, a relative increase of 64 5% (P≥0.05) and 40.3% compared with the control.

Biological Features and Growth Intensity of Calves after Introduction of Tissue Biostimulator to Dry Cows