Новая роль природной аминокислоты
2010
Izmajlovich, I.B., Belarus State Academy of Agriculture, Gorki (Belarus) | Yakimovich, N.N., National Academy of Sciences, Minsk (Belarus). Institute of Physical Organic Chemistry | Yakimovich, M.N., National Academy of Sciences, Minsk (Belarus). Institute of Physical Organic Chemistry
In the conditions of the Republic of Belarus there was showed the possibility of import substitution of methionine and threonine preparations used for growing poultry birds by a new national developed in Belarus fodder additive L-homoserine. The chemical composition of the new feed additive L-homoserine is the following: amino acid L-homoserine; metabolizable energy; crude protein; crude fat; vitamins (B1; B2; B3; betaine; B5; B6; Bc); macro and trace elements (calcium; phosphorous; natrium; manganese; zinc; iron; copper). In course of the study there was analyzed the dynamics of body weight of broiler chickens; expenses of fodders per live weight gain; dynamics of body weight of replacement growing birds; indexes of second pen-feathers; dimensions of combs). Research results showed that addition of L-homoserine for broiler chickens diets was safe and nontoxic; the preparation showed the same growth promoting indexes as the foreign methionine and threonine preparations.
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