How much humidity do they need? more or less? I did noticed my hatching batch of bcms took a little longer than my other hatchingsI don't know anything about the wing test BUT I can tell you I have done a TON of research on Black Copper Marans ...breeding, hatching, raising, etc ....and while I've got varying opinions on some things determining sex was NOT one of them. Even some of the most experienced breeders I spoke to of BCM's say they get surprised all the time by these guys!!!![]()
I guess they are difficult all the way around and maybe that's why we love them so much?! Poor things have a harder shell ....harder time to hatch, require different humidity than most all other breeds and I guess often you can't tell if you have a roo until he crow's! Mine were 4 weeks old on Thur and I'm pretty lucky I have 2 that have become obvious are roo's. (they are even starting to fight around the ladies when I put them outside for the day!) 1 was obvious from fairly early on, just from behavior but the other wasn't quite so much. I have a 3rd that I'm still on the fence about. I thought it may be a roo....3 looked the same from the get go and the other 2 were the same ...making you think you have 2 pullets and 3 roos .....but then they grow and catch up, some change , some don't. lol I see what they mean about waiting til one crows.