Effect of different dietary protein levels and amino acids supplementation patterns on growth performance, carcass characteristics and nitrogen excretion in growing-finishing pigs.
Yumei ZhaoGang TianDaiwen ChenPing ZhengJie YuJun HeXiangbing MaoZhiqing HuangYuheng LuoJunqiu LuoBing YuPublished in: Journal of animal science and biotechnology (2019)
In low protein diet, Val is more required than Ile in the early growing phage (25-50 kg), while Ile becomes more required in the late growing and finishing phage (75-125 kg).