共 29 条
[1]
ASMUNDSON V. S., 1938, POULTRY SCI, V17, P478, DOI 10.3382/ps.0170478
[2]
BAROTT HG, 1937, POULT SCI, V16, P49
[3]
BAROTT HG, 1937, TB USDA 553
[4]
BEDFORD T, 1952, MRC WM
[5]
BYERLY T. C., 1936, POULTRY SCI, V15, P158, DOI 10.3382/ps.0150158
[6]
BYERLY T. C., 1936, POULTRY SCI, V15, P163, DOI 10.3382/ps.0150163
[7]
Dove WF, 1935, J AGRIC RES, V50, P0923
[8]
GREGORY HS, 1947, INSTRUM PRACT, V1, P367
[9]
Hutt F. B., 1929, Proceedings of the Royal Society of Edinburgh, V49, P118
[10]
HUTT FB, 1931, POULTRY SCI, V10, P403