FSIS categories of the nation's large chicken slaughterhouses, based on salmonella standards for carcasses, by percentage of plants in each category
category 1
category 2
category 3
category 1
category 2
category 3
The limit is 9.8 percent positive salmonella tests; category 1 is for facilities with scores less than 4.9 percent; category 3 corresponds with results above the 9.8 percent limit; and category 2 is for those that fall in between.
