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Efficacy of a morantel–abamectin combination for the treatment of resistant ascarids in foals
Author(s) -
Wilkes EJA,
McConaghy FF,
Thompson RL,
Dawson K,
Sangster NC,
Hughes KJ
Publication year - 2017
Publication title -
australian veterinary journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.382
H-Index - 59
eISSN - 1751-0813
pISSN - 0005-0423
DOI - 10.1111/avj.12559
Subject(s) - abamectin , anthelmintic , ivermectin , avermectin , drug resistance , veterinary medicine , medicine , pharmacology , biology , microbiology and biotechnology , pesticide , agronomy , anatomy
Background This study was performed to investigate the efficacy of a morantel–abamectin combination for the treatment of macrocyclic lactone ( ML )‐resistant Parascaris spp. infections in foals. Methods Foals on five properties with a Parascaris faecal egg count ( FEC ) > 50 eggs per gram were used to estimate the FEC reduction ( FECR ) and efficacy of the anthelmintic combination. Results & Conclusion On all properties, resistance to ivermectin and abamectin was present and the Parascaris FECR in foals administered the morantel–abamectin combination was > 99%, indicating that this combination effectively controlled ML ‐resistant parasites.