MYH6 and familial dilated cardiomyopathy: Chicken DCM has been reported as a naturally occurring disease [48], but also of interest are the in ovo chicken models showing that knockdown of the myosins—specifically, embryonic myosin heavy chain (eMHC)—results in DCM [64], as does alpha myosin heavy chain (αMHC/MYH6) [65] which also affects humans [66,67].