Laboratory evaluations of the immediate and sustained effectiveness of lotilaner (Credelio™) against three common species of ticks affecting dogs in Europe

Table 2 Geometric (arithmetic) mean counts of live Dermacentor reticulatus ticks in Study 2

Tick species	Day	Untreated control		Lotilaner			Comparison
Tick species	Day	Mean	Range	Mean	Range	Efficacy (%)
Dermacentor reticulatus	2	45.6 (45.8)	40–52	0.0 (0.0)	0–0	100 (100)	t ₍₁₄₎ = 116.7, P < 0.0001
	9	34.6 (35.0)	26–42	0.0 (0.0)	0–0	100 (100)	t ₍₁₄₎ = 60.7, P < 0.0001
	16	37.3 (38.0)	23–48	0.1 (0.1)^a	0–1	99.8 (99.7)	t ₍₁₄₎ = 31.1, P < 0.0001
	23	32.7 (33.4)	19–42	0.0 (0.0)	0–0	100 (100)	t ₍₁₄₎ = 42.8, P < 0.0001
	30	29.8 (31.6)	16–48	0.0 (0.0)	0–0	100 (100)	t ₍₁₄₎ = 26.0, P < 0.0001
	37	28.1 (29.3)	15–44	0.0 (0.0)	0–0	100 (100)	t ₍₁₄₎ = 30.6, P < 0.0001

ISSN: 1756-3305