In contrast to traits such as growt

In contrast to traits such as growth rate, feed efficiency or
carcass traits, fewer investigations have been carried out on the genetic
variation ofMQtraits inbeef breeds (Marshall, 1994, 1999; Burrowet al.,
2001; Johnston et al., 2003) and none of themon double muscled cattle,
albeit double muscled sires are increasingly used also as terminal sires
both on beef and dairy cows