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Table 10 Fipronil sulfone concentrations in white-footed mice utilized in tick attachments

From: Efficacy of low-dose fipronil bait against blacklegged tick (Ixodes scapularis) larvae feeding on white-footed mice (Peromyscus leucopus) under simulated field conditions

Sex

Group ID

Group

Exposure

Attachment time point (post-exposure)

Blood collection time point (post-exposure)

Fipronil sulfone (ng/ml)

Number of replete ticks successfully detaching

Male

T24-1

Treatment

24 h

Day 1

Day 5

96.3

0

Male

T24-1

Treatment

24 h

Day 1

Day 5

140.3

0

Male

T24-1

Treatment

24 h

Day 1

Day 5

222.7

0

Male

T24-1

Treatment

24 h

Day 1

Day 5

247.4

0

Male

T24-1

Treatment

24 h

Day 1

Day 5

361.9

0

Female

T24-1

Treatment

24 h

Day 1

Day 5

161.5

0

Female

T24-1

Treatment

24 h

Day 1

Day 5

234.7

0

Female

T24-1

Treatment

24 h

Day 1

Day 5

75.6

0

Female

T24-1

Treatment

24 h

Day 1

Day 5

134.4

0

Female

T24-1

Treatment

24 h

Day 1

Day 5

239.7

0

Male

T24-15

Treatment

24 h

Day 15

Day 19

78.8

0

Male

T24-15

Treatment

24 h

Day 15

Day 19

15.5

0

Male

T24-15

Treatment

24 h

Day 15

Day 19

ND

13

Male

T24-15

Treatment

24 h

Day 15

Day 19

12.7

0

Male

T24-15

Treatment

24 h

Day 15

Day 19

40.3

0

Female

T24-15

Treatment

24 h

Day 15

Day 19

18.8

0

Female

T24-15

Treatment

24 h

Day 15

Day 19

16.2

0

Female

T24-15

Treatment

24 h

Day 15

Day 19

4.4

0

Female

T24-15

Treatment

24 h

Day 15

Day 19

79.3

0

Female

T24-15

Treatment

24 h

Day 15

Day 19

28.2

0

Male

T168-21

Treatment

168 h

Day 21

Day 25

32

0

Male

T168-21

Treatment

168 h

Day 21

Day 25

11.9

0

Male

T168-21

Treatment

168 h

Day 21

Day 25

25.7

0

Male

T168-21

Treatment

168 h

Day 21

Day 25

19.4

0

Male

T168-21

Treatment

168 h

Day 21

Day 25

ND

8

Female

T168-21

Treatment

168 h

Day 21

Day 25

ND

0

Female

T168-21

Treatment

168 h

Day 21

Day 25

4.8

1

Female

T168-21

Treatment

168 h

Day 21

Day 25

ND

9

Female

T168-21

Treatment

168 h

Day 21

Day 25

ND

2

Female

T168-21

Treatment

168 h

Day 21

Day 25

11.8

0

Male

T168-35

Treatment

168 h

Day 35

Day 39

ND

2

Male

T168-35

Treatment

168 h

Day 35

Day 39

8.8

0

Male

T168-35

Treatment

168 h

Day 35

Day 39

ND

1

Male

T168-35

Treatment

168 h

Day 35

Day 39

ND

5

Male

T168-35

Treatment

168 h

Day 35

Day 39

ND

2

Female

T168-35

Treatment

168 h

Day 35

Day 39

ND

5

Female

T168-35

Treatment

168 h

Day 35

Day 39

ND

2

Female

T168-35

Treatment

168 h

Day 35

Day 39

ND

4

Female

T168-35

Treatment

168 h

Day 35

Day 39

ND

3

Male

C24-1

Control

NA

Day 1

Day 5

ND

19

Female

C24-1

Control

NA

Day 1

Day 5

ND

10

Male

C168-35

Control

NA

Day 35

Day 39

ND

11

Female

C168-35

Control

NA

Day 35

Day 39

ND

7

  1. ND = No fipronil sulfone detected at levels > 1.25 ng/ml (LOQ)