Сalf growth when spore-forming probiotic is added to the diet

To replenish the herd with highly productive animals, intensive technology for growing repair young is required. In order to raise cattle that fully show genetically laid productivity opportunities, it is necessary to create optimal feeding and maintenance conditions from the first days of raising calves, which will ensure maximum growth and optimal development of animals. Achieving this goal is impossible without the use of highly efficient feed additives. At the same time, they must meet strict criteria without simultaneously increasing the cost of manufacturing products in general. They need to be safe and effective. Of greatest interest is the use of spore-forming probiotic drugs for these purposes, which not only help to solve existing problems, but also do not adversely affect the animal body and the products obtained from them. Most often, these drugs differ in the strains of bacteria included in them, which determines their effectiveness. Studies were conducted to study the effect of the Olin probiotic on calf growth. As a result of studies, it was established that the use of the probiotic preparation "Olin" for calves allows increasing calves growth indicators throughout the dairy period. The live weight of calves treated with the probiotic was higher by 3.7-11.9%, and absolute by 3.3-20.3% in different months of the period compared to similar indicators of calves of the control group. The conducted studies prove the effectiveness of the use of the probiotic "Olin" to increase the growth intensity of calves.