Veterinary MedicineInfectious DiseasesVeterinary ParasitologyHelminthologyInvertebrate ZoologyParasitologyAnthelmintic ResistanceAntiparasitic Drug ResistanceAntiparasitic ResistanceResistance ManagementAntihelminthic Drug ResistanceHaemonchus Contortus Infections
A field strain of H. contortus, already resistant to benzimidazole anthelmintics, was also found to be slightly resistant to rafoxanide. This is apparently the first report of resistance to rafoxanide in a field strain of H. contortus.