Table 1 Flea counts on naturally infested cats in households in Florida before and after treatment with either a single topical dose of fluralaner or three consecutive monthly doses of selamectin

Fluralaner¹

31

Geomean flea count³

11.4^a,x

0.4^b,y

0.3^b,y

0.1^b,y

0.2^b,y

0.1^b,y

0.1^b,y

0.0^b,y

Range

(5–63)

(0–4)

(0–4)

(0–3)

(0–2)

(0–2)

(0–3)

(0–0)

% control⁴

96.6

97.3

99.3

98.5

99.5

99.2

100

% (#) cats with no fleas

0.0^a,x (0/31)

69.0^b,y (20/29)

71.0^b,y (22/31)

93.5^b,y

(29/31)

80.6^b,y

(25/31)

93.5^b,y

(29/31)

90.3^b,y

(28/31)

100^b,y

(31/31)

Selamectin²

29

Geomean flea count³

12.7^a,x

2.6^a,y

3.2^a,y

3.6^a,y

2.8^a,y

0.8^a,y

1.1^a,y

1.1^a,y

Range

(5–44)

(0–23)

(0–29)

(0–50)

(0–35)

(0–14)

(0–11)

(0–8)

% control⁴

79.4

74.6

71.3

77.8

93.8

91.0

91.3

% (#) cats with no fleas

0.0^a,x

(0/29)

24.1^a,y

(7/29)

28.6^a,y

(8/28)

17.2^a,x

(5/29)

17.2^a,x

(5/29)

37.0^a,y

(10/27)

44.4^a,y

(12/27)

38.5^a,y

(10/26)