Just a somewhat random comment about bringing back rare breeds. Someone else posted a similar comment, and I read back a bit on this thread and didn’t see it, so apologies if I’m reposting.
A huge problem with rescuing a species or sub-species from near-extinction is that we generally wait too long. When there are few individuals left to restart the breed, we are looking at a
genetic bottleneck: where after a natural disaster or some other event, there are very few individuals left to breed from.
Unless these individuals are scattered around the world, the chances are that they are closely related to one another (inbred), and using them as breeding stock increases the likelihood of concentrating lethal and other harmful genetic defects in their offspring.
If we want to maintain their specific genetic contribution to chickendom, a strong argument can be made for cross-breeding them with other breeds (subspecies), rather than trying to keep the line “pure,” which just continues to weaken the bloodline.
@Perris ‘s breeding program with the aim of increasing genetic diversity is far more important than trying to preserve unique individuals of a traditional but fading breed, sad as it is to say.