I have not found any research on wry tail. Some breeders say it is recessive and others say it is polygenic, a poultry geneticist believes it is polygenic and may also have a physical component. Such as, weak muscles that control the tail or a deformity in the skeleton ( the caudal vertebrae). I have seen a case where the wry tail corrected itself over time.
I have no experience with wry tail but can only report information I have gathered from other individuals.
Tim
I have no experience with wry tail but can only report information I have gathered from other individuals.
Tim