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Table 1 Geometric mean and percent control of on-animal flea counts in naturally infested homes when dogs were treated with afoxolaner

From: Evaluation of afoxolaner chewables to control flea populations in naturally infested dogs in private residences in Tampa FL, USA

Treatment group

# dogs day 0

 

Days post-treatment

   

Day 0

Day 7

Day 14

Day 21

Days 28–30

Days 40–45

Days 54–60

Afoxolaner1

37

Geomean2

25.12

0.18

0.02

0.06

0.02

0.00

0.00

(Std dev)

(37.46)

(0.79)

(0.17)

(0.68)

(0.17)

(0.00)

(0.00)

(Range)

(6–185)

(0–4)

(0–1)

(0–4)

(0–1)

(0–0)

(0–0)

 

% control3

 

99.28

99.92

99.74

99.92

100.00

100.00

 

% (#) pets with no fleas

0.0 (0/37)

81.1 (30/37)

97.3 (36/37)

94.6 (35/37)

97.3 (36/37)

100 (34/34)

100 (33/33)

  1. 1Dogs were orally administered an afoxolaner chewable (NexGard®; Chewables; Merial, Inc.) on day 0 and once between days 28–30
  2. 2Geometric mean numbers of fleas in visual area thumb counts on dogs
  3. 3{(Day 0 geometric mean animal area flea counts-day x geometric mean animal area flea counts)/day 0 geometric mean animal area flea counts)} × 100