Vet Med - Czech, 2004, 49(2):42-46 | DOI: 10.17221/5673-VETMED

A field study to evaluate the efficacy of fenbendazole on 9 stud farms

M. Varady, A. Konigova, J. Corba
Parasitological Institute of the Slovak Academy of Sciences, Kosice, Slovak Republic

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

Published: February 29, 2004  Show citation

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Varady M, Konigova A, Corba J. A field study to evaluate the efficacy of fenbendazole on 9 stud farms. Vet Med - Czech. 2004;49(2):42-46. doi: 10.17221/5673-VETMED.
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