Table 3.

Anthelmintic resistance reported in gastrointestinal nematodes of horses from Australia

Anthelmintic agent	Location	Dosage (mg/kg)a	%FECR (95% CL)	Parasite	Reference
Cyathostomins
Benzimidazole	NSW, VIC	Variable	na	Cyathostomins	[90]
Cambendazole	NSW	20; oral	24	Cyathostomins	[79]
Febantel	NSW, VIC	6; oral	62	Cyathostomins	[80]
	NSW	6; oral	36	Cyathostomins	[79]
Febantel + trichlorphon	NSW, VIC	6, 40; oral	56	Cyathostomins	[80]
Fenbendazole	NSW	10; oral	Up to 0	Cyathostomins	[18]
Mebendazole	NSW, VIC	8.8; oral	43	Cyathostomins	[80]
	NSW	9; oral	40	Cyathostomins	[79]
Oxfendazole	NSW	10; oral	Up to 0 (0–na)	Cyathostomins	[12]
Oxibendazole	NSW	10; oral	Up to 9	Cyathostomins	[18]
Ivermectin	VIC	0.2; oral	na	strongyles	[22]
Morantel	NSW	9.4; oral	Up to 74 (9–na)	Cyathostomins	[12]
Dichlorvos	NSW	10; oral	Up to 0	Cyathostomins, Strongylins	[18]
Parascaris spp.
Abamectin	NSW	0.2; oral	Up to -116	Parascaris spp.	[24]
Fenbendazole	NSW	10; oral	Up to -14 (134–na)	Parascaris equorum	[20]
Ivermectin	NSW	0.2; oral	57	Parascaris spp.	[24]
	QLD	0.2; oral	65 (47-83)	P. equorum	[21]
	NSW	0.2; oral	Up to 18 (-19–na)	P. equorum	[20]
Pyrantel	NSW	6.6; oral	Up to 26 (-49–na)	P. equorum	[20]

^aOral route

Abbreviations: CL, confidence limits; FECR, fecal egg count reduction; na, not available; NSW, New South Wales; QLD, Queensland; VIC, Victoria