共 32 条
[11]
JENSEN K, 1977, ACTA VET SCAND, V18, P108
[15]
Kaufmann W., 1973, Kieler Milchwirtschaftliche Forschungsberichte, V25, P245
[16]
KAUFMANN W, 1975, SDRH BER LDW, V191, P296
[17]
LINDNER HP, 1979, ZUCHTUNGSKUNDE, V51, P215
[19]
MOCHRIE RD, 1956, J ANIM SCI, V15, P1256
[20]
Nakashima Y., 1975, Japanese Journal of Zootechnical Science, V46, P477