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Table 1 Tick collection data on sentinel animals with pheromone impregnated slow-release tags (PITs) and animals treated with 7% deltamethrin and pheromone impregnated slow-release tags (DPITs) on farms on the north (A) and south (B) of St. Kitts

From: Efficacy of slow-release tags impregnated with aggregation-attachment pheromone and deltamethrin for control of Amblyomma variegatum on St. Kitts, West Indies

 

Farm A

Farm B

Date

Average ticks on (N) animals with PITs

Average ticks on (N) animals with lost tags

Average ticks on (N) animals with DPITs

Control

Average ticks on (N) animals with PITs

Average ticks on (N) animals with lost tags

Average ticks on (N) animals with DPITs

Control

11-Feb

46(2)

   

3(2)

   

11-Mar

22(2)

   

4(2)

   

11-Apr

9.5(2)

np*

0(1)

100%

1.5(2)

np

0(2)

100%

11- May

107(1)

46.3 (3)

9(2)

92%

28(2)

np

0(2)

100%

11-Jun

35(1)

np

12.4(5)

65%

23(2)

0 (1)

0(1)

100%

11-Jul

27(1)

np

7.3(3)

73%

9(2)

np

0(2)

100%

11-Aug

1.5(2)

np

0(1)

100%

    

11-Sep

        

11-Oct

7(2)

13.5 (2)

2.5(2)

64%

3(2)

np

0(2)

100%

11-Nov

11(1)

np

0(1)

100%

4.5(2)

0 (1)

0(4)

100%

11-Dec

7(5)

8.5 (2)

np

 

6(2)

5 (1)

0(2)

100%

12-Jan

11.75(4)

13.25 (4)

np

 

12.7(3)

np

3(4)

77%

12-Feb

    

16(4)

14 (1)

0(2)

100%

12-Mar

37.5(2)

19.5 (2)

np

     

12-Apr

49(2)

30 (4)

3(1)

94%

41.7(3)

7.3 (3)

2(2)

95%

12-May

101(1)

24 (1)

15(3)

86%

    

12-Jun

30(1)

19.5 (2)

np

 

15.5(2)

17 (1)

1(2)

94%

12-Jul

16(1)

np

4.3(3)

73%

    

12-Aug

    

6.5(4)

5 (2)

0(2)

100%

12-Sep

        

12-Oct

8(1)

np

0(2)

100%

18(1)

1 (1)

0.5(2)

97%

  1. *no animals presented with lost tags.