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Resistance to thiabendazole in a field population of Ostertagia circumcincta from sheep. |
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| Authors: | C A Hall N J Campbell S N Carroll |
| Abstract: | A population of Ostertagia circumcincta from sheep has been found which, in field and laboratory trials, showed a lack of response to the recommended dose (44 mg/kg) of thiabendazole, suggesting that a degree of resistance exists to this anthelmintic. Preliminary experiments indicated a less than expected response to levamisole. This was not confirmed in a laboratory trial and therefore resistance to this anthelmintic has not been shown conclusively. |
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