共 6 条
[3]
饲料添加剂[M]. 中国农业出版社 , 张艳云,陆克文编著, 1998
[4]
乳牛学[M]. 农业出版社 , (美)柏奇(Bath,O.L.)等著, 1988
[5]
Effects of a live yeast culture and enzymes onin vitroruminal fermentation and production of dairy cows. Kung L,Jr,Kreck EMet al. Journal of Dairy Science .
[6]
Heat stress interactions with protein, supplemental fat, and fungal cultures. Huber JT, Higginbotham GG. Gomez-Alarcon RA, et al. J, Dairy Sci . 1994