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Five studies were conducted to evaluate the effect of a new combination of fipronil and permethrin on cat fleas, Ctenocephalides felis, when applied to dogs, including dogs that underwent water exposure or shampooing. In each study, 16 dogs were allocated to two groups. Each dog was infested with 100 unfed adult fleas on Days −1, 7, 14, 21 and 28. Eight(More)
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