首页>Journal of Animal Science>Effect of peripartal administration of mycobacterium cell wall fraction on health and fertility of Holstein cows under organic-certified management
Effect of peripartal administration of mycobacterium cell wall fraction on health and fertility of Holstein cows under organic-certified management
作者单位:Aurora Organ Farms, Platteville, CO 80651 USA[1]Univ Minnesota, Coll Vet Med, Dept Vet Populat Med, St Paul, MN 55108 USA[2]NovaVive Inc, Napanee, ON, Canada[3]Colorado State Univ, Coll Agr Sci, Dept Anim Sci, Ft Collins, CO 80521 USA[4]Texas A&M Univ, Coll Agr & Life Sci, Dept Anim Sci, College Stn, TX 77843 USA[5]