I have heard of one guy using de-boned quail chick legs.... if such an arcane thing is available to you...
cguarino 30, who bred Jamaican Boas used day-old chick thighs, see discussion starting at post 55 in this thread, and "how to" guide in post 77:
http://www.faunaclassifieds.com/foru...ferrerid=46989