Sour, rancid, or ammonia-like smell
Slimy or sticky texture
Gray, green, or brownish discoloration
Mold or fuzzy spots
Package is bloated or leaking
Meat feels tacky even after rinsing
Off taste after cooking
Past the use-by date and has been stored improperly
Left out at room temperature for more than 2 hours
Unusual dryness with a bad odor
Excessive liquid with a foul smell
Any sign of spoilage, even if only one is present