Not to throw the thread off but cross beak can be a genetic defect and other beak deformities. I don't see why this isn't either. As I stated before these birds had longer beaks than the others when they were small chicks. I know for sure that one of them hatched from a pullet egg. AnywayI apologize if my post came across as if I was suggesting "mismanagement". That was not my intent. I was merely trying to point out that it can be easily rectified through changes in management to keep the birds alive and healthy...whether by filing the beaks a single time or offering something like a seed block that may tempt them sufficiently to help them wear their beaks down naturally.
As far as breeding is concerned, having not experienced this problem myself, I can only share what I've heard others say, which is usually the suggestion of a "slow learner", a trait many chose not to risk perpetuating but others aren't bothered by. I've never come across anything in my research and reading to suggest that this is some sort of genetic defect in and of itself, but merely one of behavior. Whether or not to breed these birds is, as far as I know, a personal choice.
