Показатели белкового питания и обмена у коров-первотелок в летне-пастбищный период
2009
Pozyvajlo, O.P. | Razumovskij, N.P. | Kotovich, I.V. | Soboleva, Yu.G., Vitebsk State Academy of Veterinary Medicine (Belarus)
In the conditions of the Republic of Belarus at JSC Olgovsky of Vitebsk region there were analyzed the indexes of protein diets, level of general protein, albumin, urea, transaminase and glutamatedehydrogenase activity in blood serum and plasma of first-calf heifers of black-and-white breed at an initial stage of lactation. Deficiency of a protein in a diet of animals, infringement of sugar-protein parity, low level of the general protein and protein in blood and blood serum, as well as in activity of transaminase in blood plasma were established. For elimination of the revealed infringements and preventive maintenance of possible pathologies it is recommended to increase crude protein content up to 23% by means of increasing the dose of rape oil meal up to 10% and sunflower oil meal up to 30% as a part of mixed fodder diets.
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