Sour, rotten, or ammonia-like smell
Slimy or sticky texture
Gray, green, or brown discoloration throughout
Mold or fuzzy spots
Packaging is bloated, leaking, or damaged
Meat feels tacky even after rinsing
Off taste after cooking
Past the use-by or expiration date
Left unrefrigerated for more than 2 hours
Left unrefrigerated for more than 1 hour in hot weather
Stored in the fridge for more than 1 to 2 days raw
Thawed and refrozen multiple times
Unusual gas release when package is opened