Влияние пробиотика «Ветом 1. 1» на оплодотворяющую способность спермиев и гормональный статус быков-производителей

The results of the investigation to determine the effect of the probiotic product Vetom 1.1 of varying dosages in servicing bulls’ nutrition on their semen fertilizing capacity and sex hormonal status are discussed. It is found that the supplementation of the diet with the probiotic product in a dose of 50 mg per kg of live weight increased semen fertilizing capacity when servicing heifers by 23.5% and cows by 16.1% as compared to that of the control group. That enables obtaining additional 8-10 calves from 100 cows and significantly reducing over-timing of open cows and heifers. The greatest increase of cortisol content was revealed the third experiment group (Vetom 1.1 dosage of 50 mg per kg of live weight): from 4.4 ng ml to 5.9 ng ml, or 34.1% (p