Skip to main content

Table 2 Percent repellency and prevention of attachment of D. reticulatus in dogs treated with the new combination of fipronil and permethrin from thumb counts at 4, 12 and 24 h post-infestation

From: Repellency, prevention of attachment and acaricidal efficacy of a new combination of fipronil and permethrin against the main vector of canine babesiosis in Europe, Dermacentor reticulatus ticks

   Mean number of ticks (live or dead, attached or free) on dog Repellency (%) Mean number of attached ticks counted on dog Prevention of attachment (%)
Infestation day Time post-infestation Untreated control group (10 dogs) Treated group (10 dogs) Untreated control group (10 dogs) Treated group (10 dogs)
1 4 h 39.1 14.6 62.5 37.4 13.0 65.2
7 34.7 9.2 73.5 32.9 7.4 77.6
14 34.5 9.5 72.5 31.9 6.5 79.7
21 35.3 12.7 63.9 32.6 8.8 72.9
28 35.6 15.5 56.5 33.3 12.0 64.1
1 12 h 35.5 8.4 76.3 35.3 7.4 79.1
7 33.5 2.4 92.9 32.8 1.9 94.2
14 36.8 3.6 90.3 36.2 3.0 91.7
21 36.5 7.1 80.5 36.1 5.5 84.7
28 33.1 6.7 79.8 32.6 5.2 84.1
1 24 h 32.5 5.2 83.9 32.4 5.1 84.2
7 33.3 1.2 96.5 33.0 0.1 99.6
14 35.9 1.6 95.5 35.7 1.1 96.8
21 32.8 3.4 89.7 32.6 1.6 95.0
28 30.8 1.9 93.7 30.8 1.8 94.1
  1. Number of ticks differed statistically significantly between treatment groups (p < 0.002).