TY - GENERIC DO - 10.20944/preprints201911.0216.v1 UR - http://dx.doi.org/10.20944/preprints201911.0216.v1 TI - Dynamics Affect Nitrogen Retention, Ileal Amino Acid Digestibility, and Gene Expression Levels of Digestive Enzymes at Three Stages in Pigs Fed Two Levels of Low-Protein Diets T2 - Preprints AU - Wu, Li AU - He, Qinghua AU - Zhen, Wen AU - Li, Tiejun AU - Liao, Peng PY - 2019 DA - 2019/11/19 PB - Preprints