Yes, that is what I thought. You have space, you have experience, and you have a multi-generational flock, and your birds serve you. I would be incredibly surprised if you had an attacking rooster.
We all give advice from our own point of view. Me included.
I really think
roosters take...
I am curious as to the size of your coop. And how long have you kept chickens? I think that people with larger set ups, and people with years of experiences willing to cull birds and multi-generational flocks have completely different outcomes with roosters.
Dang it, lost my post?
Check the SOP of the breeds - they often have very good points, and pictures of things to look for.
You need to pick them up, and feel them over, feathers cover a lot of sins. Examine their feet and legs, breastbone, and head carefully.
The feet you want to be...