Impact of protein reduction and arginine and valine supplementation in the diet on growth and slaughter performance of broilers [German]

摘要

In a feeding trial with broilers the impact of a conventional diet (FG1), and three diets with relatively 10% lower content of protein (FG2, 3 and 4) were investigated. Two lower protein diets were alternatively supplemented with L-arginine (FG3) and L-valine (FG4). As traits of the trial were measured: growth and slaughter performance, chemical composition of the carcass, blood parameters and the organoleptic quality of breast meat. 276 one day-old chicks were divided into four feeding groups. Lysine, methionine, threonine and tryptophan were constant in all feed mixtures. The diet of FG3 was supplemented with L-arginine and the diet of FG4 with L-valine on the level of FG1.