共 20 条
- [3] Done S. H., 1972, Pig production. Proceedings of the eighteenth Easter School in Agricultural Science, University of Nottingham, 1971., P107
- [5] HARRIS DL, 1968, AM J VET RES, V29, P777
- [6] JACOBS D E, 1969, Journal of Helminthology, V43, P327, DOI 10.1017/S0022149X00004880
- [7] INCIDENCE AND NATURE OF DISEASES CAUSING DEATH IN PIGS AGED 2-7 MONTHS IN A COMMERCIAL HERD [J]. BRITISH VETERINARY JOURNAL, 1969, 125 (10): : 492 - &
- [9] LECUYER C, 1972, 2ND P C INT PIG VET, P99