The Effects of Vitamin E，Beta-carotene and Zinc on Semen Quality，Antioxidant Indicators in Hot Weather
LI Qiu-feng，LI Jian-guo，WU Yun-hai，MA Ya-bin，LIU Xing-hua，GAO Yan-xia，CAO Yu-feng，LIU Ting-yu
ACTA VETERINARIA ET ZOOTECHNICA SINICA . 2014, (4): 587 -595 .  DOI: 10.11843/j.issn.0366-6964.2014.04.012