Keywords: تغذیه پروتئین; AA; amino acid; ADF; acid detergent fiber; ADICP; AD insoluble CP; ADIN; acid detergent insoluble N; AL; allantoin; aNDF; amylase-treated NDF; aNDFom; aNDF free of residual ash; BCS; body condition score; BCAA; branched-chain AA; BW; body weight; CM; cano