Efficacy of afoxolaner (NexGard®) against natural infestations with Trichodectes canis in dogs under field conditions

Table 3 Overview of the efficacy field studies of various antiparasitic products against Trichodectes canis

Molecule(s)	Formulation	Days	Efficacy	Reference
Propoxur	Collar	2, 28, 42	98.5–100%^a	[14]
Imidacloprid	Spot-on	1, 14, 28, 42	100%^b	[11]
Imidacloprid + Flumethrin	Collar	2, 7, 14, 21, 28, 35	95.1–100%^c	[16]
Permethrin	Spot-on	7, 14, 21, and 28	100%	[13]
Fipronil	Spot-on	2, 7, 14, 21, 28, 35	100%^d	[18]
Fipronil	Spot-on	2, 28, 42	98.3–100%^e	[14]
Fipronil	Spray	2, 28, 42	99.6–100%^f	[14]
Fipronil	Spray	2	100%	[10]
Selamectin	Spot-on	7, 14, 21, 28, 35, 42	100%	[15]
Selamectin	Spot-on	7, 14, 21, 28, 35, 42	100%	[35]
Afoxolaner	Oral	14, 30	100%	Current study

^a98.5% efficacy on day 2, 100% efficacy on days 28 and 42
^bSome dogs were also infested with the sucking louse Linognathus setosus; efficacy values are not given for day 1
^c95.1% efficacy on day 2, 100% efficacy from day 7 onwards
^dLive lice were still present on day 2
^e98.3% efficacy on day 2, 100% efficacy on days 28 and 42 data and the results of the periodical checking

ISSN: 1756-3305