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

Table 6 The 6 and 12 hour incubation efficacy of hair coat samples of dogs and cats wearing imidacloprid 10%/flumethrin 4.5% collars for 8 months, on adult Rhipicephalus sanguineus ticks

Sampling day = Day after treatment			7	14	21	30	59	90	120	149	181	210	240
killing¹ efficacy	cat [%]	6 hours	100	83	100	100	100	100	100	67	33	0	50
	dog[%]		100	67	100	83	100	100	100	100	100	100	83
overall² efficacy	cat [%]		100	83	100	100	100	100	100	67	33	100	50
	dog[%]		100	100	100	100	100	100	100	100	100	100	83
killing¹ efficacy	cat [%]	12 hours	100	100	100	100	100	100	100	100	83	100	100
	dog[%]		100	100	100	100	100	100	100	100	100	100	100
overall² efficacy	cat [%]		100	100	100	100	100	100	100	100	100	100	100
	dog[%]		100	100	100	100	100	100	100	100	100	100	100

¹ killing efficacy was calculated from ticks being dead or moribund² overall efficacy was calculated from ticks being dead or moribund + atactic ticks

ISSN: 1756-3305