Even the best of us had been fooled by a forward dominant female. The real answer comes with that comb development and wattles for most breeds at 4-6 weeks.The items on the checklist would probably have to be a bit more objective than "I got a feeling", but like I said, I'm not even sure how viable the idea is. Maybe after data is collected, items with weak correlations could be removed.
I would certainly follow such an experiment.
