共 45 条
[2]
ASMUNDSON V. S., 1933, POULTRY SCI, V12, P250, DOI 10.3382/ps.0120250
[3]
BECKER WA, 1960, POULTRY SCI, V39, P1234
[5]
COOK RE, 1956, POULTRY SCI, V35, P1137
[7]
DILLARD EU, 1953, POULTRY SCI, V32, P897
[9]
FALCONER DS, 1953, IUBS S POPULATION ST, P16
[10]
FALCONER DS, 1960, INTRODUCTION QUANTIT