In the publication it is a question that because of extreme climatic conditions the quantity of a protein in diets of animals, especially during the winter period, periodically decreases to critical level (30-40 % from norm). It leads to a considerable overexpenditure of forages by production of cattle-breeding production. In diets of ruminants it is possible to fill real possibility of replenishment of deficiency of a protein at the expense of urea.
In the countries where urea in animal husbandry use more on a substantial scale, industrial ways of production protein podkormok long ago are realized. The know-how of SPK "Bolshevik" of the Krasnogvardeysky area gives the grounds to consider that in the conditions of an economic crisis use of small doses of urea when feeding dairy cattle not only is safe, but also it is economically expedient.
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