Thank you everyone, for all the good advice.
No, I won't be getting rid of anyone who is in molt right now. I know that can stop production. I am only going to thin out the older girls though, who arn't molting, and the roosters.
I will look for Comb and waddle color, space between pin bones...
I have about 70 hens. All are laying age now. The youngest just started laying this past month (RIRs) . All my chickens range between the ages of 2 1/2 years to 5 months. All of my delawares are in a molt right now (I have white feathers all over the place! ) so they will stay. I am only...