I have 30 heavy breed roosters that are about a month shy of being fully ready to butcher. We decided that we want to do the first 10 next week. We don't have any specific ones that are a problem (fighting, excessive crowing, etc), so we just want to get the biggest ones. How do you figure out which ones are the biggest? We thought about turning them all loose in a pen, and banding them all as small, medium and large. Then on butchering day, we can pull out all the green bands, for example. We don't have a scale that will work for this, but we thought we could pick them all up and get an idea of big vs small. Does anybody have suggestions for making this easier?