Evaluation of afoxolaner chewables to control flea populations in naturally infested dogs in private residences in Tampa FL, USA

Parasites & Vectors
M W DrydenDoug Carithers

Abstract

A study was conducted to evaluate the effectiveness of afoxolaner chewables to control flea populations in naturally infested dogs in private residences in Tampa FL, USA. Evaluations of on-animal and premises flea burdens, flea sex structure and fed-unfed premises flea populations were conducted to more accurately assess flea population dynamics in households. Thirty seven naturally flea infested dogs in 23 homes in Tampa, FL were enrolled in the study and treated with afoxolaner chewables. Chewables (NexGard® Chewables; Merial) were administered according to label directions by study investigators on study day 0 and once again between study days 28 and 30. Flea infestations on pets were assessed using visual area thumb counts and premises flea infestations were assessed using intermittent-light flea traps on days 0, 7, 14, 21, and once between study days 28-30, 40-45, and 54-60. Within 7 days of administration of afoxolaner chewable tablets, flea counts on dogs were reduced by 99.3%. By one month post-treatment, total flea counts on dogs were reduced by 99.9%, with 97.3% (36/37) of the dogs being flea free. Following the second dosing on study day 28-30, total on-dog flea burden was reduced by 100% on days 40-45 and 54-60. On ...Continue Reading

References

May 1, 1994·Journal of Medical Entomology·M K Rust
Mar 1, 1994·Journal of Medical Entomology·M W Dryden, V Smith
Nov 26, 2009·The Veterinary Clinics of North America. Small Animal Practice·Byron L Blagburn, Michael W Dryden
Jun 21, 2012·Medical and Veterinary Entomology·K F AbramowiczM E Eremeeva
Jun 15, 2013·Emerging Infectious Diseases·Jusun Hwang, Nicole L Gottdenker
Dec 7, 2013·Parasite : Journal De La Société Française De Parasitologie·Michel FrancFrédéric Beugnet
Aug 26, 2014·Parasite : Journal De La Société Française De Parasitologie·Frédéric BeugnetJosephus Fourie

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Citations

Jun 8, 2018·Journal of Medical Entomology·Miguel Ángel PeribáñezMaría Jesús Gracia
Oct 3, 2020·Insects·Michael K Rust

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Methods Mentioned

BETA
dissecting
PCR

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