共 7 条
[1]
BIRD HR, 1954, NATIONAL ACADEMY SCI, V301
[2]
HUNT JR, 1953, POULTRY SCI, V32, P906
[6]
SUPPLEE WC, 1956, POULTRY SCI, V35, P1175
[7]
SUPPLEE WC, 1957, 1957 P U MAR NUTR C, P66