The influence of energetic supplements in dairy productivity of heifers

Considering of the most effective sources of energy with the use of various supplements added to the normal diet of the cows living in certain natural climatic conditions has been very relevant today. The article reveals the results of the use of energy supplements in the black-and-white cows diet. The best results of the milk production ability were achieved due to the fodder supplement "Lactoenergy". In 100 days the advantage came up to 13,4 - 14,0 per cent, in 305 days of lactation it run up to 11,6 - 15,8 per cent.