A strain of Haemonchus contortus resistant to thiophanate

A strain of Haemonchus contortus resistant to thiophanate
Peer reviewed

Abstract

The occurrence of a field strain of Haemonchus contortus resistant to thiophanate is reported for the first time in New Zealand. In a controlled anthelmintic trial with experimentally infected animals, thiophanate at 50-100 mg/kg had no appreciable effect on the Haemonchus burden. Albendazole reduced faecal strongylate egg counts by 95% in animals with naturally acquired 59 infections.

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