共 36 条
[1]
ALI CS, 1977, Z TIERPHYSIOL TIERER, V39, P173
[6]
CAMMELL SB, 1977, 24 GRASSL RES I TECH
[8]
DESCHARD G, 1987, IN PRESS ANIM FEED S
[9]
DONEFFER E, 1969, ADV CHEM SER, V95, P328
[10]
DRUMMOND JG, 1976, J ANIM SCI, V42, P1343