Mendles theory was likes produce likes,and likes do not always produce likes.My theory, Breed 50% of your cow heard to proven bulls. 25% to up and coming bulls 25% to young sires. Use bulls that compliment your cows weakness, and use Epds as a mathmatic tool in compliminting the essentials.Those who take very little risk generally have very little to gain. Who would have thought that CA Future Direction 5321 would be where he is now 4 years ago. Angus Reg# 12493607. Those that took a chance 4yrs ago now have animals that others are hopeing for this year or next.