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Table 2 Day 29 mean (standard error) (SE) live flea countsa and percentage efficacy of spinosad

From: Speed of flea knockdown of spinosad compared to afoxolaner, and of spinosad through 28 days post-treatment in controlled laboratory studies

  Control Spinosad
Geometric mean (SE) 89.4 (0.1) 1.3 (0.5)
% Efficacy - 98.6 %b
Arithmetic mean (SD) 90.6 (14.1) 4.30 (9.3)
% Efficacy - 95.3 %a
  1. aMoribund fleas counted as live. bDifferent from control: p < 0.0001