And now with the chocolates, record keeping is sooooooo important with the visibly black split to chocolate roosters, which will reek havoc in the blue line if unknowingly used. Once the black splits get into circulation it will be impossible to know which ones they are.
After careful consideration we have decided to toe punch any blacks born to our chocolates. ( Toe punching

a new venture for me) We don't know at birth which are pullets and which are cockerels as only the cockerels can be split to chocolate but both will be toe punched for permanent identification. It is my understanding it is vital to breed chocolate back to black occasionally to keep the deep chocolate color, but there should be a permanent identification for the splits.
It's not a fix all as we are only one tiny part of the breeding community but it is our contribution.