[Liquid manure systems].
D000818:Animals; D006799:Housing, Animal; D006862:Hydrogen Sulfide / Q000633:toxicity; D008372:Manure; D008722:Methods; D012722:Sewage; D013552:Swine; D014865:Waste Disposal, Fluid
D008372:Manure; D012722:Sewage; D006862:Hydrogen Sulfide
Flüssigmistsysteme.