Monitoring the avermectin and pyrantel resistance status of nematode parasites of horses in the Czech Republic

https://doi.org/10.17221/125/2017-VETMEDCitation:Bodecek S., Svetlikova J., Hargitaiova K., Kecerova Z., Mrackova M. (2018): Monitoring the avermectin and pyrantel resistance status of nematode parasites of horses in the Czech Republic. Veterinarni Medicina, 63: 299-305.
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The avermectin and pyrantel resistance of equine parasites was monitored on four farms in the Czech Republic in 2014. The aim of the testing was to investigate the anthelmintic resistance of cyathostomins and ascarids. One hundred and eighty-six horses were included in the test, 54 of which were infected by ascarids and 174 by cyathostomins. Faecal egg count reduction tests were used to assess anthelmintic resistance. The faecal egg count reduction for ascarids was within the range of 87.9% to 100% for avermectins and 100% for pyrantel embonate. Faecal egg count reduction for cyathostomins ranged from 99% to 100% for avermectins and 89.3% to 98.2% for pyrantel embonate.

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