Effect Of Using Some Amino Acids On Gene Expression And Poultry Production

Abstract

As a component of the Animal Production Research Institute (APRI), Egypt, the current study was conducted at the Animal Production Research Station in Sakha Kafr El-Sheikh. The purpose of this study was to assess the effects of supplementing local chicken breed AL-SALAM with dietary methionine or lysine amino acids on growth performance, feeding, dressing percentage of carcass, serum chemistry and RNA expression levels of various tissues including the liver, intestine, and breast muscle (Atrogene-1, IGF-1, GAL6, and MUC2 genes). The results showed a daily increase in body weight, carcass yield, lysozyme activity, conversion rate, decreased feed consumption and a change in the expression of mRNA (Atrogin-1, IGF-1, genes in breast muscle, MUC2 in the intestine and GAL6 in the liver) in comparison to the control group. The levels of methionine and lysine supplementation were 0.50, 0.75, and 1 g methionine and 1.50, 2, and 2.50 g lysine respectively. When access amino acid levels were added, relative economic efficiency outperformed the control group. We are suggestion that adding access methionine with level 0.5% or lysine with level 2.5% to reach market weight.