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Anthelmintic Resistance In Equine Parasites: Mechanisms And Treatment Approaches, Jessica Scare Kenealy
Anthelmintic Resistance In Equine Parasites: Mechanisms And Treatment Approaches, Jessica Scare Kenealy
Theses and Dissertations--Veterinary Science
Anthelmintic resistance of parasites infecting livestock animals is a global problem resulting in decreased animal welfare and production losses. Horses are not exempt from this issue as wide-spread anthelmintic resistance exists among the equine cyathostomins and Parascaris spp. Of the three drug classes available for treating equine intestinal helminths anthelmintic resistance, defined as less than 90-95% drug efficacy, exist to all three. New pharmaceutical control regimens and the elucidation of parasite drug response mechanisms are needed.
Two studies were carried out evaluating combination deworming regimens. A population of cyathostomins with known resistance to the benzimidazole (BZ) and pyrimidine drug classes …