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Table 2 Experiment 1: Efficacy values (%) based on arithmetic and geometric mean tick counts for the treated groups

From: Prevention of Babesia canis in dogs: efficacy of a fixed combination of permethrin and fipronil (Effitix®) using an experimental transmission blocking model with infected Dermacentor reticulatus ticks

DAY EFFICACIES (%)
GROUP 2 – Treated 28 days prior to tick challenge GROUP 3 – Treated 21 days prior to tick challenge
Arithmetic mean Geometric mean Arithmetic mean Geometric mean
+2 95.7 97.0 100.0 100.0
+3 100.0 100.0 100.0 100.0
+4 100.0 100.0 100.0 100.0
+5 100.0 100.0 100.0 100.0
+6 100.0 100.0 100.0 100.0
DAY EFFICACIES (%)
GROUP 4 – Treated 14 days prior to tick challenge GROUP 5 - Treated 7 days prior to tick challenge
Arithmetic mean Geometric mean Arithmetic mean Geometric mean
+2 100.0 100.0 100.0 100.0
+3 100.0 100.0 100.0 100.0
+4 100.0 100.0 100.0 100.0
+5 100.0 100.0 100.0 100.0
+6 100.0 100.0 100.0 100.0