For the treatment of mixed cestode (tapeworm) & nematode (roundworm) or arthropod (bot) infestations in horses. The following parasites of horses are sensitive to the antiparasitic effects of Eqvalan Duo: Tapeworms: Anoplocephala perfoliata, Large strongyles: Strongylus vulgaris (adults & arterial larval stages), Strongylus edentatus (adults & tissue larval stages), Strongylus equinus (adults), Triodontophorus spp (adults), Triodontophorus brevicauda, Triodontophorus serratus, Craterostomum acuticaudatum (adults) Adult & immature (fourth-stage larvae) small strongyles or cyathostomes, including benzimidazole-resistant strains: Coronocyclus spp, Coronocyclus coronatus, Coronocyclus, labiatus, Coronocyclus labratus, Cyathostomum spp, Cyathostomum catinatum, Cyathostomum pateratum, Cylicocyclus spp, Cylicocyclus ashworthi, Cylicocyclus elongates, Cylicocyclus insigne, Cylicocyclus leptostomum, Cylicocyclus nassatus, Cylicodontophorus spp,