[Preservation of drinking-water quality during consumption--attempts at "drinking water preservation"].
D000821:Animal Feed; D000818:Animals; D001604:Berlin; D005519:Food Preservation; D005856:Germ-Free Life; D051381:Rats; D013047:Specific Pathogen-Free Organisms; D013242:Sterilization; D014867:Water; D014871:Water Microbiology; D014876:Water Pollution / Q000517:prevention & control
D014867:Water
Erhaltung der Tränkwasserqualität beim Verbrauch--Versuche zur "Tränkwasserkonservierung".