Original Research

The efficacy of collars impregnated with flumethrin and propoxur against experimental infestations of adult Rhipicephalus sanguineus on dogs

L.J. Fourie, D. Stanneck, I.G. Horak
Journal of the South African Veterinary Association | Vol 74, No 4 | a524 | DOI: https://doi.org/10.4102/jsava.v74i4.524 | © 2003 L.J. Fourie, D. Stanneck, I.G. Horak | This work is licensed under CC Attribution 4.0
Submitted: 02 July 2003 | Published: 02 July 2003

About the author(s)

L.J. Fourie,
D. Stanneck,
I.G. Horak,

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Abstract

The efficacy of 2 sets of collars (Kiltix(R) Collar, Bayer AG), containing different plasticisers and impregnated with the acaricides flumethrin (2.25 %) and propoxur (10 %), was compared against adult Rhipicephalus sanguineus on experimentally infested, kennelled dogs. Thirty individually penned dogs were infested with 25 male and 25 female, unfed R. sanguineus. On the following day they were allocated to 3 groups of 10 dogs each on the magnitude of their tick burdens. Two days after infestation, medicated collars containing 1 of the plasticisers were fitted to 10 of the dogs and similar collars containing the other plasticiser were fitted to 10 others. The remaining 10 dogs were the untreated controls. Seven and 28 days after having fitted the collars, all dogs were re-infested with 50 unfed adult ticks of both sexes, and again at approximately 28-day intervals up to the 5th month, and then at approximately 14-day intervals during the 6th month. Efficacy was determined by comparing the mean number of live, attached ticks on the untreated control group with those on the collared dogs 2 days after each re-infestation. Immediate efficacy of the collars (Day +2) was > 95 %, and residual efficacy was > 98% up to and including Day +114, and > 93 % up to Day +170 on both groups of collared dogs. The mean tick counts on the 2 groups of collared dogs did not differ significantly (P < 0.0001) for any of the assessment days.

Keywords

Acaricide-Impregnated Collar; Dogs; Efficacy; Experimental Infestation; Flumethrin; Propoxur; Rhipicephalus Sanguineus

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Crossref Citations

1. Efficacy of slow-release collar formulations of imidacloprid/flumethrin and deltamethrin and of spot-on formulations of fipronil/(s) - methoprene, dinotefuran/pyriproxyfen/permethrin and (s) –methoprene/amitraz/fipronil against Rhipicephalus sanguineus and Ctenocephalides felis felis on dogs
Ivan G Horak, Josephus J Fourie, Dorothee Stanneck
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