Analysis on the Influencing Factors on Activity of Returning Estrous Cows
LIU Jiangjing, CHEN Xiaoli, TIAN Hongzhi, LU Yongqiang, WANG Dong
ACTA VETERINARIA ET ZOOTECHNICA SINICA . 2019, (7): 1405 -1411 .  DOI: 10.11843/j.issn.0366-6964.2019.07.009