Повышение эффективности использования протеина рапсовых кормов и его влияние на молочную продуктивность коров
2012
Letunovich, E.V., Vitebsk State Academy of Veterinary Medicine (Belarus)
As a result of introduction in diets of first calf heifers and cows on the 2nd and 3rd month of lactation of a power-protein additive with a 'protected' protein on the rape basis raises the number of non cleavable fraction of protein for 16,2-17,5%, thus daily average of milking yield increases for 5,6-12,1%, and in terms of 4% milk fatness - for 9,1-13,1% in connection with increasing in milk fatness on 4,9-12,1%. Usage in diets of cows of a power-protein additive raises transformation of energy of feed in production for 9.3-10.9 and 13%. Feeding of a power-protein additive with the 'protected' protein provides a profit counting on 1 ruble of expenses at a rate of 1-3.7 Belarusian rubles. The consumption of power and crude protein on milk manufacture at feeding of energy protein additives decrease on 8,1-10,3 and 8,5-10,3%.
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