共 15 条
[1]
AITKEN JR, 1954, POULTRY SCI, V33, P1038, DOI 10.3382/ps.0331038
[2]
ASMUNDSON V. S., 1938, POULTRY SCI, V17, P147, DOI 10.3382/ps.0170147
[3]
BRANT AW, 1958, WORLDS POULTRY C P
[4]
Carrick C. W., 1926, POULTRY SCI, V5, P213
[5]
CRUICKSHANK EM, 1939, WORLDS POULTRY C P
[10]
MARBLE D. R., 1938, Poultry Science, V17, P49, DOI 10.3382/ps.0170049