New generation protein supplement in combined feeds for broiler chickens

In experiments on broiler chickens of the SGC “Smena” selection, it was found that partial replacement fish meal with an additive based a protein microbial origin, containing 68.3% crude protein, allows to provide live weight comparable control high poultry safety, due good digestibility and availability amino acids. A comprehensive assessment productivity broilers according index showed 50% contributed increase in second group by 4.78 points comparison control. The complete third experimental less effective, as evidenced decrease 303.91 compared 308.73 It is shown introduction supplement into feed for Analysis chemical composition liver 35-day-old content groups higher than 1.99 0.58%, while there no fat supplement. at level 11.38 12.20% versus 13.0% control, which indirectly indicates absence cytotoxic effect cells from use studied dosages.