Effects of Different Levels and Ratios of Two Fat Sources on Ruminal Fermentation and Purine Derivatives in Holstein Steers
CAO Mingyu, YANG Zhiling, TAN Yanan, WANG Yaru, XU Peng, DUAN Zengliang, ZHANG Shuanlin, LIU Qiang, GUO Gang
China Animal Husbandry and Veterinary Medicine . 2021, (5): 1593 -1602 .  DOI: 10.16431/j.cnki.1671-7236.2021.05.010