Table 5.

The remaining percentage (± standard deviation) of the imidacloprid and flumethrin start amount in 177 collars worn by laboratory cats and dogs for different durations

Bayer Animal Health Study number	No. of animals	Wearing time [days]	mean % of initial amount
			Imidacloprid	Flumethrin
CAT STUDIES = small collar
ID 35118	3	2	94.6 ± 0.67	99.7 ± 0.79
	3	7	89.6 ± 0.48	98.3 ± 0.44
	3	14	85.5 ± 4.32	97.0 ± 1.25
	3	28	81.7 ± 1.32	97.7 ± 0.75
	3	56	72.6 ± 2.61	95.0 ± 0.22
	3	84	70.9 ± 1.81	91.7 ± 2.27
ID 35638	8	30	79.7 ± 2.95	97.0 ± 0.64
ID 33697	30	60	77.7 ± 8.30	92.5 ± 3.13
ID 35121	8	238	74.7 ± 4.53	81.6 ± 5.39
ID 35635	10	241	61.4 ± 2.50	72.7 ± 2.52
ID 35632	10	240	57.9 ± 3.27	85.6 ± 2.28
ID 35630	9	238	59.7 ± 3.12	84.9 ± 2.23
mean cat 8 months	37	238-240	59.7 ± 3.0	81.9 ± 6.0
DOG STUDIES = large collar
ID 35637	8	30	81.7 ± 2.23	96.5 ± 2.97
ID 33692	32	60	79.1 ± 4.62	97.7 ± 2.71
ID 33691	10	90	74.7 ± 4.53	81.6 ± 5.39
ID 35117	6	91	72.0 ± 2.32	88.8 ± 5.92
ID 35631	10	245	60.5 ± 3.96	80.8 ± 5.44
ID 35120	8	238	62.4 ± 6.21	70.4 ± 3.47
ID 35636	10	240	68.7 ± 2.03	80.8 ± 7.40
Mean dog 8 months	28	238-245	64.0 ± 5.40	77.8 ± 7.2
Mean total 8 months	65	238-245	61.6 ± 4.70	80.1 ± 6.9