共 31 条
[4]
BOVARD KP, 1966, J ANIM SCI, V25, P877
[6]
GENETIC ANALYSIS OF 305-DAY YIELD IN SECOND LACTATION IN RED DANISH CATTLE AND BLACK PIED DANISH CATTLE
[J].
ANIMAL PRODUCTION,
1973, 16 (FEB)
:17-29
[7]
Fimland E. A., 1977, Tierzuchter, V29, P142
[9]
HANSEN M, 1978, GENETIC INVESTIGATIO
[10]
HEIMAN MM, 1979, AI DATA EFFECTS PROD