Study on the Change Law of Milk Production Traits and Routine Blood Indicators of Holstein Dairy Cows in the North of Hebei Province in Autumn and Winter
WANG Yanan, FENG Man, ZHOU Yinghao, MAO Sen, QIU Dianrui, GUO Jianjun, LI Suxia, WANG Hongbin
China Animal Husbandry and Veterinary Medicine . 2020, (4): 1282 -1288 .  DOI: 10.16431/j.cnki.1671-7236.2020.04.036