Evaluation of Benzimidazole Resistance in Equine Cyathostomins in the Kermanshah Province of Iran Using Coprological Analysis and Allele-Specific PCR

Benzimidazole resistance in equine small strongyles has been reported globally, and the results of the present study were unexpected. The probable reasons for the slow development of BZ-resistance are climatic conditions in the country that have significant negative effects on the ability of free stages of the resistant strongyle nematode to survive and develop.