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Table 1 Categorization of ticks for counting (adapted from EMEA/CVMP/EWP/005/2000-Rev.2, 2007)

From: Efficacy of a fixed combination of permethrin 54.5% and fipronil 6.1% (Effitix®) in dogs experimentally infested with Ixodes ricinus

Category

General findings

Attachment status

1

Live

Unengorged*

2

Live

Engorged**

3

Killed

Unengorged*

4

Killed

Engorged**

  1. *no filling of the alloscutum evident.
  2. **obvious or conspicuous filling of the alloscutum evident.