Geographical distribution of animal diseases.
D000349:Africa; D000820:Animal Diseases / Q000453:epidemiology*; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology; D006041:Goats; D006734:Horse Diseases / Q000453:epidemiology; D006736:Horses; D008377:Maps as Topic