MecWorma and Bot has been shown to be highly effective (up to 100% activity) in control and treatment of large and small strongyles (Strongylus and Cyathostomum spp.) including arterial larval stages and benzimidazole resistant strains, bots (Gasterophilus spp.), cutaneous onchocerciasis and nematodes including Habronema and Draschia spp. which cause skin lesions (summer sores).