fail to thrive

I have a (maybe) 3 day old barred rock baby chick that seems to be behind compared to the 8 other chicks. I just got them from Tractor Supply yesterday, and treated her for pasty butt this morning. She’s not running around, and is constantly sleeping. She just kind of stands there and goes...

Hey guys, So I’ve raised abandoned chicks before, ones that the hen has pushed out or left behind, including one with a leg injury last year. So when I found my hen had left behind one of her chicks and it had trouble standing/walking (it seemed weak on one side, but it was cold when I found it...