共 26 条
[5]
DAVIS HP, 1951, J DAIRY SCI, V34, P495
[6]
HERITABILITY OF FERTILITY IN DAIRY CATTLE
[J].
JOURNAL OF DAIRY SCIENCE,
1953, 36 (10)
:1063-1071
[7]
EHLERS MH, 1950, J ANIM SCI, V9, P678
[8]
ERB R. E., 1942, JOUR DAIRY SCI, V25, P815, DOI 10.3168/jds.S0022-0302(42)95343-8
[10]
ERB RE, 1950, WASH AGR EXP STA TEC, V2