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<blockquote data-quote="Ebenezer" data-source="post: 1360697" data-attributes="member: 24565"><p>It's football season. From a long-g-g way off I want to be able to tell the difference in a football player and a cheerleader. How can I do that? Many have mentioned: hormonal balance and secondary sex traits and characteristics.</p><p></p><p>American beef industry: the poster child is the high grading, fast growing feedlot steer. We "test" bulls for decades to grow like and grade like a feedlot steer. We like a good thick heifer and cow to look like a feedlot steer. Yet, today we can stack decades of EPD data and still have low accuracy of carcass traits and a wide range of carcass quality. </p><p></p><p>We have functional issues: bulls that pass the BSE yet lack libido, foot and leg issues, udder and teat problems, low fertility in heifers and cows. This is un-American: what if we wanted to know how a bull would throw terminal traits and we feed tested only half sib steers or sons that were steers to get results? What if we checked the bulls we kept back for libido, feet and legs and daughter fertility without forcing the bulls to eat like pigs? What if we could look at secondary sexual characteristics in females and read "signs" of proper hormones or at least read the bad signs to cull? Then run the heifers on a short breeding season to see if our selections are improving things.</p><p></p><p>That is somewhat what Dr. Jan Bonsma did years ago. Not saying that we have to replicate him or even have the eye and intellect to do what he did but he could tell the differences in football players and cheerleaders and knew why.</p></blockquote><p></p>
[QUOTE="Ebenezer, post: 1360697, member: 24565"] It's football season. From a long-g-g way off I want to be able to tell the difference in a football player and a cheerleader. How can I do that? Many have mentioned: hormonal balance and secondary sex traits and characteristics. American beef industry: the poster child is the high grading, fast growing feedlot steer. We "test" bulls for decades to grow like and grade like a feedlot steer. We like a good thick heifer and cow to look like a feedlot steer. Yet, today we can stack decades of EPD data and still have low accuracy of carcass traits and a wide range of carcass quality. We have functional issues: bulls that pass the BSE yet lack libido, foot and leg issues, udder and teat problems, low fertility in heifers and cows. This is un-American: what if we wanted to know how a bull would throw terminal traits and we feed tested only half sib steers or sons that were steers to get results? What if we checked the bulls we kept back for libido, feet and legs and daughter fertility without forcing the bulls to eat like pigs? What if we could look at secondary sexual characteristics in females and read "signs" of proper hormones or at least read the bad signs to cull? Then run the heifers on a short breeding season to see if our selections are improving things. That is somewhat what Dr. Jan Bonsma did years ago. Not saying that we have to replicate him or even have the eye and intellect to do what he did but he could tell the differences in football players and cheerleaders and knew why. [/QUOTE]
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