Skip to main content

Table 1 Study 1: Knock-down effect at 1 h and arithmetic mean flea counts and preventive efficacies at 1 h and 12 h (speed of kill) of the combination of permethrin and fipronil (group 2) and fipronil alone (group 3) based on arithmetic counts

From: Knock-down and speed of kill of a combination of fipronil and permethrin for the prevention of Ctenocephalides felis flea infestation in dogs

 

Knock-down effect (%) at 1 h

Mean flea counts and preventive efficacy (%)

at 1 h

at 12 h

Group 2

Group 3

Group 1

Group 2

Group 3

Group 1

Group 2

Group 3

Fipronil/permethrin

Fipronil

Control

Fipronil/permethrin

Fipronil

Control

Fipronil/permethrin

Fipronil

D7

65.2 %a

7.8 %

85.5

1.2a (98.6 %)

51.2 (40.2 %)

60.7

0.0 (100.0 %)

0.9 (99.0 %)

D14

67.7 %a

5.8 %

80.7

2.5a (96.9 %)

45.7 (43.4 %)

61.5

0.0 (100.0 %)

0.0 (100.0 %)

D21

68.5 %a

4.2 %

76.5

5.3a (93.0 %)

55.7 (27.2 %)

52.7

0.0 (100.0 %)

0.0 (100.0 %)

D28

58.2 %a

2.0 %

53.2

14.2a (73.4 %)

62.0 (0.0 %)

47.2

0.3 (99.3 %)

0.2 (99.6 %)

  1. a statistically significant increased efficacy in the fipronil + permethrin group compared to the fipronil alone group (p < 0.05)