Effect of force-feeding diets containing varying amounts of lysine on plasma free amino acids in laying hens.


Effects of force-feeding in contrast to ad libitum-feeding diets containing 0.35, 0.50, 0.65 and 0.80% lysine on plasma free amino acids were investigated in laying hens. The feed intake and body weight gain of hens fed ad libitum were less than those in hens force-fed: this was more prominent in hens fed low-lysine diets. The concentrations of plasma… (More)