Quote Originally Posted by krazyaboutkatz
Yes, it is dark in color. How will the vet know if it's a yeast infection? Is there a test for this? Is this contagious to my other cats?
Here's link to ear mites. http://www.cah.com/library/earmite.html
They talk about untreated turns into yeast infection.
Yes, contagious (ear mites). They take a sample from ear put it under microscope to see if they see anything moving.