[Survey of Salmonella contamination in animal slaughtering and meat and poultry processing in Beijing Union Plants].
D000003:Abattoirs; D000818:Animals; D005506:Food Contamination; D005516:Food Microbiology; D008460:Meat; D008462:Meat-Packing Industry; D011200:Poultry; D012475:Salmonella / Q000302:isolation & purification*