Reddish-brown crust around a pet rat's eyes and nose is usually what?

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  1. Dried blood from a fight
  2. Color from fruit treats
  3. A gland secretion that can signal stress or illness

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References

  1. Routine Health Care of Rats, Merck Veterinary Manual www.merckvetmanual.com/all-other-pets/rats/routine-health-care-of-rats Checked 2026-10-11.

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