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Table 2 Anti-feeding efficacy of DPP-treated dog hair against Ixodes ricinus and Ixodes scapularis ticks

From: Vectra 3D (dinotefuran, pyriproxyfen and permethrin) prevents acquisition of Borrelia burgdorferi sensu stricto by Ixodes ricinus and Ixodes scapularis ticks in an ex vivo feeding model

Day of exposure Ixodes ricinusa Ixodes scapularisa
Total number of fed ticks (%) in non-treated control groups GM number of fed ticks ± SD Anti-feeding efficacy (%) Total number of fed ticks (%) in non-treated control groups GM number of fed ticks ± SD Anti-feeding efficacy (%)
Non-treated control groups DPP-treated groups Non-treated control groups DPP-treated groups
2 22 (36.7) 6.4 ± 1.3 0 100 24 (40.3) 6.7 ± 2.4 0 100
7 17 (28.3) 5.2 ± 0.9 0 100   N/A N/A N/A
14 18 (30.0) 5.4 ± 1.3 0 100 22 (36.7) 5.9 ± 3.1 0 100
21 15 (25.0) 4.7 ± 0.9 0 100   N/A N/A N/A
28 12 (20.0) 3.3 ± 2.1 0 100 25 (41.6) 7.2 ± 1.0 0 100
35 16 (26.7) 4.9 ± 0.8 0 100   N/A N/A N/A
  1. aOnly females were considered during the assessment. Each feeding chamber contained 15 female ticks
  2. GM geometric mean, SD standard deviation, / = no experiment conducted for Ixodes scapularis due to limited tick availability