Good luck to your blue. I have 37 chicks outside right now with broodies. The one and only chick we've lost this past month was the one blue. I assume it's simply camoflage
A few generations of natural selection and Marek's is irrelevant. Those susceptible to it die and those resistant live
I read an article recently that pointed out that the average chicken keeper doesn't have a flock capable of reproduction. They simply buy chickens from hatcheries or breeders...
It's refreshing to see intelligent, free-ranging eugenics in action after seeing so much chicken babying on this website. One gentleman went so far as to build his rooster a wheelchair
True kindness often looks cruel, and your actions will prevent untold hundreds or thousands of dying from disease