title: Studies on Onchocerca gutturosa (Neumann, 1910) and its development in Simulium ornatum (Meigen, 1818). I. Observations on O.gutturosa in cattle in South-East England.
mesh_terms: D000003:Abattoirs; D000367:Age Factors; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology*; D004175:Diptera; D004739:England; D005260:Female; D007303:Insect Vectors; D008297:Male; D009854:Onchocerca / Q000254:growth & development; D009855:Onchocerciasis / Q000453:epidemiology / Q000473:pathology / Q000662:veterinary*; D012867:Skin / Q000473:pathology; D013997:Time Factors