Animal Nutrition Institute Agricultural University 611130;
Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province Agricultural University 611130;
Key Laboratory of Animal Disease‑Resistance Nutrition of Education of Agriculture and Rural Affairs Laboratory of Sichuan Province 611130;
Healthy Aquaculture Key Laboratory of Sichuan Province Co.. China 610041;
Animal Nutrition Institute Academy of Animal Science Animtech Feed Co.Ltd 610066.;
Collagen degradation; Collagen synthesis; Grass carp; Muscle fibers; Muscle hardness; PROTEIN;