>my elderly female gerbil ( 2 yrs, 7 mo) has what appears to be a cyst on >her chin. I noticed it several weeks ago. she seems to be eating and >drinking okay and is still active. yestrday I noticed it seems to be getting >darker in color and somewhat larger. is there anything I can do. thanks Take her to the vet. It'll take someone checking it out to figure out what it is... Deb Rebel's Rodent Ranch
