Fig. 1From: Comparative speed of kill of sarolaner (Simparica™) and spinosad plus milbemycin oxime (Trifexis®) against induced infestations of Ctenocephalides felis on dogsPercent efficacy based on geometric mean counts relative to placebo at 8,12 and 24 h after treatment and weekly post-treatment re-infestations of fleas for dogs treated with a single oral dose of sarolaner or spinosad/milbemycin oxime on Day 0Back to article page