An interesting article from the Sheep Site...http://www.thesheepsite.com/news/1295/livestock-adaptation-what-should-y...The writer discusses how many producers have become blinded by high cattle prices and are selecting for the wrong characteristics in their herds. Large carcass size has become too big a factor in selection. There are many other genetic/breeding factors to consider as you match your herd to the environment. The ideal herd will be well-suited to the environment and lead to healthy and well-suited offspring.