Final answer:
To mark the longest-held tray of each type of chicken in the thaw cabinet, date stamps should be used.
Step-by-step explanation:
What should be used to mark the longest-held tray of each type of chicken in the thaw cabinet?
To mark the longest-held tray of each type of chicken in the thaw cabinet, date stamps should be used. Date stamps provide a clear indication of when each tray was placed in the cabinet, allowing for easy identification of the longest-held tray. This is important for ensuring proper rotation of chicken stock and avoiding food waste.
Colored stickers, alphabetical labels, and numerical tags are not as suitable for marking the longest-held tray as they do not provide a chronological reference. Date stamps, on the other hand, allow for a systematic approach to managing inventory and ensuring food safety.