Yes, shodack, in the daytime they're in a mesh enclosure in the backyard, where the hens walk around, and if the chicks stick their heads out, and a hen is close by, it gets pecked. And a couple of times when I was transferring them to their night cage, one escaped, and got chased and pecked. At night they sleep in the same shed, just that the chicks are in a cage within the shed, and the hens sleep right next to them. Hopefully in time, they will sort things out.
it is a size thing ..pecking order ...it should all work out when they chicks are grown ..
Red in poop ..have they had tomatoes ?
They do occasionally shed intestinal lining which is normal