Fig. 2From: Comparative speed of kill of sarolaner (Simparica®) and afoxolaner (NexGard®) against induced infestations of Ixodes holocyclus on dogsPercent efficacy based on geometric mean counts relative to placebo at 12, 24 and 48 h after weekly post-treatment re-infestations of Ixodes holocyclus for dogs treated with a single oral dose of sarolaner or afoxolaner on Day 0Back to article page