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Table 5 Mean tick counts and percent efficacy of DPP at 48 hours after treatment or infestation against adult R. sanguineus (s.l.)

From: Efficacy and speed of kill of a topically applied formulation of dinotefuran-permethrin-pyriproxyfen against weekly tick infestations with Rhipicephalus sanguineus (sensu lato) on dogs

Day 2 9 16 23 30 37 44
AMa tick counts control 27.9 26.4 30.8 31.9 30.8 31.3 24.5
AM tick counts treated 21.5 2.9 0.4 0.5 0.0 4.4 4.6
AM % efficacy 22.9 89.1c 98.8c 98.4c 100.0c 86.0c 81.1c
Test F (1,14) 39.81 83.96 271.72 159.73 55.15 60.79
P-value < 0.0001 < 0.0001 < 0.0001 < 0.0001 < 0.0001 < 0.0001
GMb tick counts control 27.0 24.9 29.7 31.5 30.1 30.0 24.0
GM tick counts treated 20.5 1.6 0.3 0.3 0.0 2.9 2.9
GM % efficacy 23.9 93.5c 99.2c 99.1c 100.0c 90.4c 87.8c
Test F (1,14) 40.64 321.09 286.29 1, 964.66 34.60 26.80
P-value < 0.0001 < 0.0001 < 0.0001 < 0.0001 < 0.0001 0.0001
  1. a AM arithmetic mean
  2. b GM geometric mean
  3. cSignificant difference between treated and control group (P <0.05) based on ANOVA