Table 2 Flea counts, ranges of counts and arithmetic mean (AM) efficacy at each time point for primary cats treated with selamectin (6–12 mg/kg) plus sarolaner (1–2 mg/kg) in two clinical field studies in Australia

Day 0

 No. of animals

31

34

 Arithmetic mean count

21.0

10.0

 Range of counts

6–107

6–22

Day 30

 No. of animals

29

29

 Arithmetic mean count

0.4

0.0

 Range of counts

0–4

0–1

 AM efficacy (%)^a

98.0

99.7

Day 60

 No. of animals

27

28

 Arithmetic mean count

0.0

0.0

 Range of counts

0–0

0–0

 AM efficacy (%)^a

100

100

Day 90

 No. of animals

21

26

 Arithmetic mean count

0.0

0-0

 Range of counts

0–0

0–0

 AM efficacy (%)^a

100

100