That orange stuff is mucus. My TJ used to get that. He would wake up and I knew he didn't feel good. There were these really loud girgurling noises come from his little body. He would not eat or drink. When he was finally able to poop (could be anywhere from 1/2 hour to 10 hours later), his poop would start out being normal and then the glob of orange mucus. After this came out, he was better and would literally run to go eat.
My guess is that the piece of Captin Crunch didn't agree with her system. My advice is to keep it simple for the next few weeks. Let her get a little older, b/c 8 weeks is extremely young, then you can start to give her other health things.
If this mucus continues, try feeding some Brown Rice and Boiled Chicken until her digestive track calms down.
If you need anything else, just ask, I'll try to help you.
P.S. If you see blood in that mucus - bring her to the Vet ASAP
