Landscape epidemiology (epizootiology).
D000820:Animal Diseases / Q000635:transmission*; D000818:Animals; D001179:Arthropod Vectors; D001188:Artiodactyla; D001715:Bird Diseases / Q000635:transmission; D001717:Birds; D002417:Cattle; D002418:Cattle Diseases / Q000635:transmission; D004199:Disease Vectors; D004463:Ecology; D005536:Foot-and-Mouth Disease / Q000635:transmission; D005843:Geography; D006041:Goats; D006374:Helminthiasis, Animal; D006801:Humans; D007303:Insect Vectors; D007922:Leptospirosis / Q000662:veterinary; D012377:Rodentia; D012621:Seasons; D012756:Sheep; D012987:Soil; D013552:Swine; D013987:Ticks; D014124:Toxoplasmosis, Animal / Q000635:transmission
D012987:Soil