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Effects of Different Levels of Zinc on Semen Quality and Blood Biochemical Parameters in Holstein Bulls
Xin Fuyu,, LI Wenli, Hou Minghai, LI Yanqin, Wang Lingling, Song Jie,Zhong Jifeng
Chinese Agricultural Science Bulletin . 2007, (6): 47 -47 .  DOI: 10.11924/j.issn.1000-6850.0706047