Intensive animal production.
D000383:Agriculture; D000821:Animal Feed; D000818:Animals; D000829:Animals, Domestic; D001947:Breeding; D002417:Cattle; D003365:Costs and Cost Analysis; D003611:Dairy Products; D002523:Edible Grain; D005298:Fertility; D005308:Fertilizers; D006799:Housing, Animal; D008460:Meat; D006109:Poaceae; D012722:Sewage; D012756:Sheep; D013552:Swine
D005308:Fertilizers; D012722:Sewage