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Table 9 Repellent acaricidal efficacy of 10%/flumethrin 4.5% collars 6 hours after each infestation of cats with Ixodes ricinus or Rhipicephalus turanicus

From: Efficacy of an imidacloprid/flumethrin collar against fleas and ticks on cats

Study day or week

Activity and efficacy (%)

Tick species

Ixodes ricinus

Rhipicephalus turanicus

No. of ticks

20ā™‚, 20ā™€ ticks

20ā™‚, 20ā™€ ticks

25ā™‚, 25ā™€ ticks

Day 0

Collars fitted to cats in treated groups

Week 4

100

100

83.2

Week 8

100

100

70.8

Week 12

100

100

57.5

Week 16

100

100

54.8

Week 20

100

100

*

Week 24

100

100

85.4

Week 28

100

100

65.7

Week 32

100

100

59.8

Week 34x

100

100

61.1