Porphyrin is a browny-red substance that fancy rats can develop around the eyes and nose. It may appear like dried blood, but is a mucus-like substance that is released at times of stress or if the rat has a respiratory infection. It can also be caused by temporary irritation in the eye, such as the rat accidentally scratching its eye while grooming.
Porphyrin is a browny-red substance that fancy rats can develop around the eyes and nose. It may appear like dried blood, but is a mucus-like substance that is released at times of stress or? if the rat has a respiratory infection. It can also be caused by temporary irritation in t,he eye, such as the rat accidentally scratching its eye while grooming.