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Table 3 Flea species in group A and group B dogs. Relative abundance of each flea species on 54.5% permethrin and 6.1% fipronil-treated (group A) and sham-treated (group B) dogs at the beginning of the trial (day 0) and after 14, 28, 56 and 84 days

From: A field trial of a fixed combination of permethrin and fipronil (Effitix®) for the treatment and prevention of flea infestation in dogs living with sheep

  Day 0 Day 14 Day 28 Day 56 Day 84
  Group A (54.5% permethrin and 6.1% fipronil solution)
Ctenocephalides canis 70/79 (88.6%) 8/17 (47.1%) 16/24 (66.7%) 11/16 (68.8%) 16/20 (80.0%)
Ctenocephalides felis 9/79 (11.4%) 9/17 (52.9%) 8/24 (33.3%) 5/16 (31.3%) 4/20 (20.0%)
  Group B (sham treatment)
Ctenocephalides canis 63/73 (86.3%) 65/73 (89.0%) 67/73 (91.8%) 70/73 (95.9%) 60/68 (88.2%)
Ctenocephalides felis 10/73 (13.7%) 8/73 (11.0%) 6/73 (8.2%) 3/73 (4.1%) 8/68 (11.8%)