Anyone have issues with Serama Chickens

[Judykaymayes]

We are having issues with Serama chicks after they become 4 mos old to older but not really over a year old becoming unable to walk legs are stiff and don’t bend .if anyone has had this happen did you figure it out and able to get the chick back to normal .
Thank you Judy

 

[No Coop No Problem]

Serama are one of the ultra-inbred breeds I believe. They seem very prone to genetic disorders

 

[Judykaymayes]

Thank you for the reply and I believe you may be right too.
Judy Mayes

 

[townchicks]

Could be mareks