This may sound like a silly question. I was wondering if I wanted to breed for a faster growing bird, how would I determine which ones grow the fastest? At first I thought I could weigh every week until deadline/butcher day and keep the heaviest. Then I realized that just weighing live on butcher day would end up with the same result with less work. Is there even a reason to weigh weekly? Is there anything else I should look for if I was to breed for faster growth?