Found them mentioned in this document, look at R-217
http://www.iowapoultry.com/documents/BIRDCODES.pdf
No real info,though. Another site said there are alot of them among the Amish, or were.
http://www.iowapoultry.com/documents/BIRDCODES.pdf
No real info,though. Another site said there are alot of them among the Amish, or were.