I have 4, 4 day old chicks I got on Thursday. Friday I noticed that 1 little BR had a spot or so of blood in its stool. It was very energetic and active and still is. And eats and drinks and poops just fine except that ther still appears to be a pinkish tinge to part of its stool. Friday called the feed store where I got the chicks and the guy said to make sure they were on medicated feed. They have been since I got them home. He said they had not been on medicated feed in the store but they had only been there a few hours before I picked them up. The guy at the feed store said that if the chick started to act sick they sold an antibiotic? I could put in their water. In back posts I've seen people recommend yogurt or milk. Please help as these are my first chickens and I'm very unsure about what route to take. Also will the problem take several days to clear up on medicated feed? Thanks for any help and advice!