Ok so last week I posted this picture of my Niko's poop. In it you can see that it looks like he has some sort of worm (I think tape worm) Most everyones responses on this website told me the same thing. So I took a sample of his poop to the vet last week. They just called me and told me that his results were negative. How is this possible? This is not the first time I have seen this come out of him, it is probably the third time in 4-5 months. When I