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Table 1 Tick weights of I. ricinus collected from BravectoTM-treated and untreated dogs in Study 1

From: A quantitative evaluation of the extent of fluralaner uptake by ticks (Ixodes ricinus, Ixodes scapularis) in fluralaner (BravectoTM) treated vs. untreated dogs using the parameters tick weight and coxal index

Infestation

Collection

Tick weighta [mg]

BravectoTM

Negative control

Mean

Min

Max

Mean

Min

Max

Week 1

Daily after infestation

1.0e

0.7

1.9

2.2

1.8

3.0

1.4e

0.7

2.5

4.2

3.6

5.2

0.7e

0.5

1.3

8.4

6.2

10.2

0.6eb

0.5

0.7

21.4

19.9

23.8

0.4ec

0.3

0.6

33.2

24.9

39.1

N/A

N/A

N/A

211.5

133.7

290.8

N/A

N/A

N/A

186.9

22.4

402.4

N/A

N/A

N/A

227.0d

179.9

300.8

Week 4

2 days after infestation

0.8e

0.4

2.3

3.9

2.8

6.1

Week 8

1.5e

0.7

3.0

4.1

2.0

8.4

Week 12

1.5e

0.5

2.8

4.3

3.1

9.4

  1. N/A Not applicable because no ticks were found on dogs
  2. aArithmetic mean, minimum (Min) and maximum (Max) tick weight
  3. b, c, dLess than three ticks per dog were present at tick collection. Therefore, the mean tick weight was derived from five (b) or three ticks (c) in the treated group, and from three ticks (d) in the negative-control group
  4. eTick weight in treated group is significantly different from negative control (p ≤ 0.0006)
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Parasites & Vectors

ISSN: 1756-3305

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