Совершенствование минерально-витаминного питания высокопродуктивных коров в основном цикле лактации в летний период
2009
Sakhanchuk, A.I. | Kallaur, M.G. | Dedkovskij, V.A. | Kirikovich, S.A., National Academy of Sciences. Scientific and Practical Center of Animal Breeding (Belarus)
Using macro and microelements, vitamins A and D in correspondence with norms of Institute of Animal Husbandry (1992) per 1 kg of dry substance of a diet: phosphorus - 5,29 g, calcium - 7,46, sodium - 5,59 g, copper - 12,64 mg, zinc - 77,26, magnesium - 77,26, vitamins A and D correspondingly - 23,74 and 1,02 thousand ME for highly productive lactating cows with average daily milk yield of 32 kg at summer feeding compared to Agricultural Academy norms (1985) promotes increase of the so called relative products outcome and profit from basic fatness (3,4%) milk sale per 1 animal at 411 rubles
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