Zinc lysine and selenium yeast can effectively improve the reproductive performance of Northeast white geese by Jingchun Li, Heze Feng, Yulun Song, Hechuan Wang, Yingying Dong, Han Li, Qing Guo, Shengjun Liu, Yanbing Li

“…Compared with the control group, dietary supplementation of YS and ZL increased the number of germ cells and Johnson score in groups Ⅱ, Ⅲ and Ⅳ (P < 0.01), and the number of spermatogonia and sertoli cells were significantly different from the control group (P < 0.05). …”
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