Hi! Not sure this is an emergency, but I am worried so I thought I would ask the BYC community. I bought a few ISA browns at the feed store a week ago. They are in a brooder with access to chick starter and water 24/7. Now I have one whose wing feathers are not growing for some reason. I weighed them this morning using a kitchen scale. No feathers chick was 40 grams, long feathers chics ranged from 38 to 41 grams so she seems on track for weight. I have seen her eat- what gives??? Anyone have experience with this? I'm a worried chick mama!