Abstract
The aim of the work was to study the effectiveness of the inclusion of secondary products of oil production from rapeseed in the diets of young cattle. The research was carried out in the RDUE "ZhodinoAgroPlemElita" of the Smolevichi district of the Minsk region for three months. The qualitative and energetic composition and characteristics of a new fodder source, as a raw material after the separation of oilseeds of rape, have been studied. The efficiency of enrichment of mixed fodders with rapeseed soap stock and feeding it in the composition of mixed fodders for young cattle in the amount of 0.5 and 1.0% has been investigated. It was found that with the introduction of oily bleaching clay into the composition of mixed fodders in an amount of 0.5 and 1.0% and their enrichment with crude fat with the introduction of a phosphatide-oil emulsion into the concentrate composition at doses of 1.0%, 2.0 and 3, 0% average daily gains increased, and feed costs per 1 kg of gain decreased accordingly.
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