LI Jun-tao, LI Jin-bao, XIAN Jian-an, CHEN Hui-qin, ZHANG Xiu-xia, ZHENG Pei-hua, LU Yao-peng, WANG Dong-mei. 2018: Effects of Eucommia ulmoides leaf extract on growth performance,activity of immune-related enzyme and hepatopancreas in Litopenaeus vannamei. Journal of Southern Agriculture, 49(9): 1858-1864. DOI: 10.3969/j.issn.2095-1191.2018.09.25