Yeah it just pops up sometimes. The polydactyly gene is finicky from what I hear and sometimes doesn't manifest well (resulting in 4 toes) while other times it will go overboard and add extra toes (6 or even more isn't too uncommon). There is probably more to it but that is the extent of what I know about it at this time. I've had pretty good luck with the eggs hatched from my flock but I got more 4 or 6 toed chicks from shipped hatching eggs.I've heard incubator fluctuations can affect it and I wonder if perhaps the jostling from shipping might as well. Sometimes it will pass on and a lot of breeders don't like to use them for breeding but if you plan to breed and its a nice bird otherwise I would think it would be worth seeing how the offspring turn out. Of course if it's just a pet it really doesn't matter.![]()
My chick came from a shipped egg. The eggs were a mix of silkies with possible showgirls. I had a showgirl that started to hatch and stopped in the middle of the zip. I didn't intervene in time and lost that beautiful chick. That was difficult emotionally.