共 26 条
[11]
DOERR JA, 1980, POULTRY SCI, V60, P237
[12]
ESKELAND B, 1967, AGR COLL NORWAY, V46, P1
[13]
FENG SY, 1967, FED PROC, V26, P1685
[15]
GARDINER M. R., 1964, AUSTRALIAN VETERINARY J, V40, P341, DOI 10.1111/j.1751-0813.1964.tb04473.x
[16]
GUARDA F, 1968, ANN FAC VET MED, V18, P423
[20]
NAIR MK, 1973, ACTA VET SCAND S, V42, P1