共 16 条
[11]
A MEW program to eliminate PRRS,APP and mycoplasma hyopneumoniae. Turner M,Dufresne L. Proceedings of the17th IPVS Congress . 2002
[12]
Production improvements in a three site production system by reducing clinical mycoplasma hyopneumoniae. Hammer J M. Proceedings of the18th IPVS Congress . 2004
[13]
Mycoplasma hyopneumoniae and PRRSv elimination in a 1700 sow multi-site system. Alfonso A,Geiger J O,Freixes C,et al. IPVS Congress . 2004
[14]
Elimination of mycoplasma hyopneumoniae and actinobacilus pleuropneumonia by"Swiss depopulation"combined with segregated medicated early weaning. Evans. Proceedings of the19th IPVS congress . 2006