共 31 条
[1]
Asmundson V. S., 1942, POULTRY SCI, V21, P505, DOI 10.3382/ps.0210505
[2]
Bird S., 1943, SCI AGRIC [OTTAWA], V24, P135
[3]
BURMESTER BEN R., 1937, POULTRY SCI, V16, P211
[4]
CROXTON FE, 1941, APPLIED GENERAL STAT
[5]
HAMMOND JOHN C., 1939, POULTRY SCI, V18, P11, DOI 10.3382/ps.0180011
[7]
HENDRICKS W. A., 1932, Poultry Science, V11, P74, DOI 10.3382/ps.0110074
[8]
HESS CARL W., 1941, POULTRY SCI, V20, P210, DOI 10.3382/ps.0200210
[9]
HUTT F. B., 1929, POULTRY SCI, V8, P202
[10]
JAAP R. GEORGE, 1938, POULTRY SCI, V17, P425, DOI 10.3382/ps.0170425