共 27 条
[22]
MINSON DJ, 1983, 14TH P INT GRASSL C, P23
[23]
OSBOURN DF, 1980, GRASS ITS PRODUCTION, P76
[25]
VOLUNTARY CONSUMPTION OF FORAGE BY SHEEP AND ITS RELATION TO SIZE AND SHAPE OF PARTICLES IN DIGESTIVE TRACT
[J].
ANIMAL PRODUCTION,
1968, 10
:289-&
[27]
1984, NUTRIENT REQUIREMENT