title: The roles of ammonia, water activity, and pH in the salmonellacidal effect of long-used poultry litter.
mesh_terms: D000641:Ammonia / Q000032:analysis / Q000494:pharmacology*; D000818:Animals; D002645:Chickens; D005243:Feces / Q000032:analysis / Q000382:microbiology; D005612:Freeze Drying; D006799:Housing, Animal; D006863:Hydrogen-Ion Concentration; D012475:Salmonella / Q000187:drug effects* / Q000302:isolation & purification; D012486:Salmonella typhimurium / Q000187:drug effects / Q000302:isolation & purification; D014867:Water / Q000032:analysis / Q000494:pharmacology*; D014934:Wood
chemical_list: D014867:Water; D000641:Ammonia