Effects of Ala-Gln on growth, biochemical indicators and stress-related gene expression of largemouth bass (Micropterus salmoides) under dual stress of flow rate and density oleh Yun-jie Lin, Jian-ming Chen, Xiu-mei Chen, Xu-nan Li, Xiao-yan Jin, Jia-xin Sun, Xiao-tian Niu, Yi-di Kong, Min Li, Gui-qin Wang