Is it OK for Chickens to Inbreed?

[jlgoinggreen]

No, my pair's parents were not related at all; not even the same breed. They were actually a mistake, I believe. Their mother was a Buff Orpington and their father was a "True" Americauna rooster.

 

[sole]

i have pair of ko shamu i put 3 time eggs in incubater and two time under hen but all the time chick were dead in egg some time at day 21 some time at day 12 now i m not understanding that it may be because of inbreeding i dont know they r sister or brother i have buy from someone i need help .!!