Abstract
The article presents the results of the efficiency of using lactulose-containing additives in feeding lactating cows. Experimental research was carried out research were carried out on basis of farm-breeding plant named after Lenin of Surovikinsky District of Volgograd Region. For the experiment, 3 groups of Red Steppe cows were formed. Each group included 10 animals. Cows of the control group received a general economic diet; analogues of experimental group I – general economic diet + feed additive «Lactuvet-1» in an amount of 0.5% to the mass of concentrated feed; animals of experimental group II – general economic diet + feed additive «Kumelact-1» in an amount of 0.5% to the mass of concentrated feed. The results obtained during the experiment indicate that the inclusion of new feed additives in the diet of lactating cows contributed to increase milk productivity and improvement in the quality indicators of milk. The largest amount of cream, butter and cottage cheese was produced from the milk of cows in the experimental groups. The highest results were obtained in the group of cows that received feed additive «Kumelakt-1».
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