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Table 2 Schematic Experimental Design of studies aimed at testing the efficacy of an imidacloprid 10.5%/flumethrin 4.5% collar against ectoparasites on cats

From: Efficacy of an imidacloprid/flumethrin collar against fleas and ticks on cats

Study day (week)

Activity

āˆ’10 (approximately)

Acclimatization to housing

āˆ’7

Pre-study flea or tick infestations

āˆ’4

Select cats with highest flea or tick counts, and allocate them to treatment groups consisting of at least 7 untreated cats and 7 treated cats

āˆ’2, -1

Flea and/or tick infestation

0

Fit collars to all cats in treatment group

2

Flea and tick counts

7 (=Week 1)

Flea and/or tick infestation

8, 9

Flea counts Day 8, tick counts Day 9

28 (=Week 4)

Flea and/or tick infestation

29, 30

Flea counts Day 29, tick counts Day 30

56 (=Week 8)

Flea and/or tick infestation

57, 58

Flea counts Day 57, tick counts Day 58

84 (=Week 12)

Flea and/or tick infestation

85, 86

Flea counts Day 85, tick counts Day 86

112 (=Week 16)

Flea and/or tick infestation

113, 114

Flea counts Day113, tick counts Day 114

140 (=Week 20)

Flea and/or tick infestation

141, 142

Flea counts Day 142, tick counts Day 142

168 (=Week 24)

Flea and/or tick infestation

169, 170

Flea counts Day 169, tick counts Day 170

196 (=Week 28)

Flea and/or tick infestation

197, 198

Flea counts Day 197, tick counts Day 198

224 (=Week 32)

Flea and/or tick infestation

225, 226

Flea counts Day 225, tick counts Day 226

238 (=Week 34)

Flea and/or tick infestation

239, 240

Flea counts Day 239, tick counts Day 240

245 (=Week 35)

Flea and/or tick infestation

246, 247

Flea counts Day 246, tick counts Day 247