I see you are clinging to that bit, but it is barely even anecdotal, as it goes into no detail at all. At best it is an unsubstantiated throwaway comment with no evidence. Was this paper written by students?
It is an interesting topic however.
tl:dr
Female chickens can develop typically 'male' characteristics if their ovaries are damaged, but they remain genetically female and cannot fertilise eggs.
All this talk of hens 'becoming' roosters and 'changing sex' and lol 'gender transformations' 😂
Chickens can have physiological problems and hormone dysfunctions just like other species. It can be evident from their appearance and behaviours and confirmed by necropsy/biopsy. They don't actually...