NUTRIENTS DIGESTION AND DUCKS’ NITROGEN BALANCE DEPENDING ON PROTEIN AND LYSINE NUTRITION LEVELS
Balanchuk Ivan Nikolaevich
National University of Life and Environmental Sciences of Ukraine
Abstract. The article presents the research results of defining nutrients digestion of mixed fodders and nitrogen balance in ducks’ organism when the levels of wet protein and lysine in fodders are different. It is ascertained that wet protein and lysine level growth in ration promotes the digestion and assimilability of nitrogen in fodders.
Key words and phrases: утки, протеин, лизин, комбикорм, переваримость, ducks, protein, lysine, fodder, digestion
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