共 50 条
[45]
Effects of Different Levels of Effective Fiber in Close-up Cows Diets on Intake and Chewing Activity and Subsequent Lactation Performance in Holstein Dairy Cows
[J].
JOURNAL OF ANIMAL AND VETERINARY ADVANCES,
2010, 9 (12)
:1785-1790
[46]
Annual energy intake and the performance of beef cows differing in body size and milk potential
[J].
ANIMAL SCIENCE,
1998, 66
:643-655
[48]
THE EFFECT OF PREPARTUM AND POSTPARTUM ENERGY AND PROTEIN SUPPLY ON THE PERFORMANCE OF SINGLE-SUCKLING AND TWIN-SUCKLING BEEF-COWS AND THEIR CALVES
[J].
ANIMAL PRODUCTION,
1994, 59
:379-389