8WILLIAMS E J,FISCHER D P,NOAKES D E,et al.The relation-ship between pathogen growth density and ovarian function in the postpartum dairy cows[J] .Theriogenology,2007,4:51.
9SONG X P,WANG J C.Overview of the herb in treating the domestic animal endometritis[J] .Chinese Joumal of Traditional Veterinary Science,2001(1):33-36.