共 29 条
[1]
AYNAUD J M, 1972, Annales de Recherches Veterinaires, V3, P209
[2]
AYNAUD JM, 1977, 1976 CEC SEM HOG CHO, P273
[3]
BUDD W, 1865, J ROYAL AGR SOC, V1, P472
[4]
CAMPBELL AD, 1966, VET ANN, V1, P143
[5]
CARBREY EA, 1977, 1976 CEC SEM HOG CHO, P231
[6]
Corthier G., 1974, Annales de Recherches Veterinaires, V5, P373
[7]
COWART WO, 1967, J AM VET MED ASSOC, V151, P1788
[8]
DARBYSHIRE J. H., 1962, RES VET SCI, V3, P125
[9]
Darbyshire J. H., 1960, Veterinary Record, V72, P331
[10]
DONE J. T., 1957, Veterinary Record, V69, P1341