Effects of Dietary Supplementation of Magnesium Oxide on Lactation Performance，Serum Magnesium Level and Urine pH Value in Dairy Cows

LI Xiao-yan, WANG Xin, LI Hong, YANG Yun-hong, LI Dong-quan, CHE Tai-long

Animal Husbandry and Feed Science . 2022, (5): 74 -78 . DOI: 10.12160/j.issn.1672-5190.2022.05.012