Peer-reviewed veterinary case report
Tick repellent and killer spot-ons tested on dogs against two tick
By Dryden, M W et al.·Published in Veterinary therapeutics : research in applied veterinary medicine·2006·Department of Diagnostic Medicine/Pathobiology, United States·View original on PubMed →
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Original publication title: Evaluation of an imidacloprid (8.8% w/w)--permethrin (44.0% w/w) topical spot-on and a fipronil (9.8% w/w)--(S)-methoprene (8.8% w/w) topical spot-on to repel, prevent attachment, and kill adult Ixodes scapularis and Amblyomma americanum ticks on dogs.
- Species:
- dog
Plain-English summary
A group of beagles was tested to see how well two different topical treatments could repel and kill ticks. One treatment combined imidacloprid and permethrin, while the other used fipronil and (S)-methoprene. After applying the treatments, the dogs were exposed to ticks, and the results showed that the imidacloprid-permethrin formula effectively repelled ticks for up to three weeks. Both treatments were successful in controlling tick populations during the study.
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Abstract
This study evaluated the effectiveness of two topical spot-on formulations -- imidacloprid(8.8% w/w)-permethrin (44.0% w/w) and fipronil (9.8% w/w)-(S)-methoprene (8.8% w/w)--to repel, prevent the attachment of, and kill adult Ixodes scapularis and Amblyomma americanum on dogs. Twelve purpose-bred beagles were distributed into three groups of four dogs each; one group served as untreated controls, and each of the other two groups received one of the test products. Dogs were exposed to 25 adult ticks of each species for 10 minutes on posttreatment days 3, 7, 14, 21, and 28. Unattached or repelled ticks were collected and evaluated for viability, and on-dog tick counts were conducted at 3, 24, and 48 hours after tick exposure. The imidacloprid-permethrin formulation provided significant repellency against I. scapularis for up to 3 weeks after treatment, and both formulations provided good overall control of I. scapularis and A. americanum during the study period.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/17039440/