funded by the Sichuan Province Science and Technology Support Program,China(2022NSFSC1720);Chengdu Science and Technology Program,China(2022-YF05-00631-SN).
Soybean meal(SBM),a high-protein animal feed,contains several anti-nutritional factors,which limit its utilization.Poly-γ-glutamic acid(γ-PGA),a biological macromolecule,can significantly improve the health and grow...