" I have 12 BOs, straight run, and 8/12 of them have significantly larger, brighter red combs.... while the other 4 have combs that are more flesh colored or yellowish.."
This is late but....IMHO I would think that they are cockerels. But then you probably know by now. I sex them by waiting...
I'm reading this 3 years later and wondering about the oyster shell grit. I was given to understand that that was too much calcium for you non-laying birds. I just give mine a sand box.
I've been lurking for forever just reading and reading and posted a question or two. I really like this site and have learned so much. I've got 5 white Silkies coming and 10 buff Orptingtons as well from Cackle Hatchery. I had ducks two years ago and rehomed them all on Craigslist after...