Hi Kher Meng,
Cockroaches do carry disease causing microorganisms. Please monitor your chinchilla for signs of illnesses such as diarrhea or lack of appetite. Any alterations on the normal behavior of your chinchilla refer immediately to your veterinarian.
For other related information, please visit and talk to our Pet Care Consultants in all our PLC outlet and veterinary medical intervention refer promptly to your veterinarian.
Eliezer M. Bauzon, DVM RN