A field study to evaluate the efficacy of fenbendazole on 9 stud farms
M. Varady, A. Konigova, J. Corbahttps://doi.org/10.17221/5673-VETMEDCitation:Varady M., Konigova A., Corba J. (2004): A field study to evaluate the efficacy of fenbendazole on 9 stud farms. Veterinarni Medicina, 49: 42-46.
A study was conducted to determine the efficacy of a benzimidazole anthelmintic (fenbendazole) on horse farms in Slovakia. Nine stud farms with a total number of 80 horses were selected for the faecal egg count reduction (FECR) test. Resistance was assumed if egg count reduction was less than 90%. A low level of benzimidazole resistance was found on three farms (84.4–89.0%). On the remaining farms the results of the FECR test indicated substantial reduction in faecal egg output after treatment (92.5–99.4%). Larval identification before treatment revealed Cyathostominea larvae as being predominant.Keywords:
horses; fenbendazole; cyathostomins; resistance