I just got back from State Fair and learned a whole ton of a lot. Learned to give them electrolytes, and cut their feed the day of show. Choose the birds from the meat quality, and not how large they are. But there is something I was wondering while I was there.. The winning birds were the Bulldogs of the Cornish X. I know that some hatcheries have specific bloodlines, and are comparably better birds than others. Is there any specific hatcheries that give you that Bulldog effect in the chickens to making them more of the winning birds at fair?