Effects of protease addition on varying levels of CP/AA on performance, egg parameters and apparent amino acid digestibility in 50-70 wk old Hy-Line W36 laying hens
…without protease (P=0.0011). The AID for CP was significantly higher for 100% without protease than for 95% and 85% with and 90% without protease (P=0.0026). However, Met at 100% without…