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Table 4 The percentage weight loss of collars in the dog studies over time

From: The synergistic action of imidacloprid and flumethrin and their release kinetics from collars applied for ectoparasite control in dogs and cats

Bayer Animal Health study number

Breed (body weight [kg])

Study duration [days]

mean weight loss [%]

146.165

Mix (11.6-19.4)

30

18.1

  

238

5.4

146.306

Beagle (9.4-13.6)

238

17.8

146.161

Mix (8.4-20.2)

60

4.2

152.151

Beagle (8.7-13.4)

61

7.9

152.149

Beagle (1.5-2.9) SD 0

23

3,4

  

30

6.5

  

60

13.5

146.737

Beagle (8.7-11.7)

28

3.2 and 2.9

146.158

Beagle (8.8-12.8)

245

14.8

146.390

Beagle (6.6-20-4)

240

16.0

146.592

Beagle (8.3-13.5)

240

17.7

146.269

Mix (7.1-21.5)

90

8.3

146.607

Beagle (10.0-13.1)

91

9.7

146.163 (field)

collar S (n = 48; of 45 dogs): several breeds (0.5-8 kg)

up to 240 days

time depending

 

collar L (n = 242; of 219 dogs): several breeds (8-69 kg)

 

time depending

  1. Large collars were used in all the laboratory based animals totalling 177 animals plus 59 field study animals. Of these, 48 used large collars and the remainder used small collars.