Effects of Different Ammonia Concentrations on Growth Performance, Immunity and Antioxidant Capacity of Beef Cattle
LIU Ming, ZHANG Lei, AN Xiaopeng, ZHANG Enping, SONG Yuxuan
Acta Veterinaria et Zootechnica Sinica . 2020, (11): 2757 -2764 .  DOI: 10.11843/j.issn.0366-6964.2020.11.014