Infection by roundworms of the superfamily trichostrongyloidea, including the genera trichostrongylus; ostertagia; Cooperia, haemonchus; Nematodirus, Hyostrongylus, and dictyocaulus. The disease is MONDO_0005994 (trichostrongyloidiasis). Also known as: Trichostrongyloidea caused disease or disorder, Trichostrongyloidea disease or disorder, Trichostrongyloidea infectious disease.