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marbling epds versus IMF ultrasounds
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<blockquote data-quote="dph" data-source="post: 146934" data-attributes="member: 2112"><p>Thanks to both of you for the great info. I appreciate it. I believe that is why this ranch gets info back on every steer they raise, so they have more info for carcass epds. On their own stud bulls on on their cows. I should clarify the orginal post. I think what they found to be inaccurate was how the steers ranked against each other using the IMF ultrasound to predict marbling. Which is quite a bit different as to whether or not they marbled well. And thought their marbling epds better predicted their "rank" Another breeder, who shared their opinion, thought IMF ultrasounding sometimes picked up too many "globs of fat," rather than marbling. ???</p><p></p><p>This last breeder, Jim O'Neil, echoed the sentiment of your original post, Mike. He thought that most Angus cattle will marble just fine, he was more concerned about the muscling of them, where he felt the breed had some work to do.</p><p></p><p>As far as DNA markers, the changes are happening rapidly. Bovigen has released a new marbling marker and if calves are homozygous for both genes it is guaranteed that the calves will grade choice. The big problem is the gene they identified doesn't seem to be showing up much in many cattle. They (Bovigen) sound like they are about to release some more DNA markers soon. Sounds like some more for marbling, and feed conversion, and tenderness. It will certainly be interesting to see what happens over the next couple of years. Bovigen is already trying to push the "Verified Tender" program and seems to be getting interest from quite a few breeders. As I understand it, I think Express Angus Ranch owns a good chunk of Bovigen. But I think you hit the nail on the head, Mike. The real promise of the DNA markers is using them to form DNA guided EPDs.</p></blockquote><p></p>
[QUOTE="dph, post: 146934, member: 2112"] Thanks to both of you for the great info. I appreciate it. I believe that is why this ranch gets info back on every steer they raise, so they have more info for carcass epds. On their own stud bulls on on their cows. I should clarify the orginal post. I think what they found to be inaccurate was how the steers ranked against each other using the IMF ultrasound to predict marbling. Which is quite a bit different as to whether or not they marbled well. And thought their marbling epds better predicted their "rank" Another breeder, who shared their opinion, thought IMF ultrasounding sometimes picked up too many "globs of fat," rather than marbling. ??? This last breeder, Jim O'Neil, echoed the sentiment of your original post, Mike. He thought that most Angus cattle will marble just fine, he was more concerned about the muscling of them, where he felt the breed had some work to do. As far as DNA markers, the changes are happening rapidly. Bovigen has released a new marbling marker and if calves are homozygous for both genes it is guaranteed that the calves will grade choice. The big problem is the gene they identified doesn't seem to be showing up much in many cattle. They (Bovigen) sound like they are about to release some more DNA markers soon. Sounds like some more for marbling, and feed conversion, and tenderness. It will certainly be interesting to see what happens over the next couple of years. Bovigen is already trying to push the "Verified Tender" program and seems to be getting interest from quite a few breeders. As I understand it, I think Express Angus Ranch owns a good chunk of Bovigen. But I think you hit the nail on the head, Mike. The real promise of the DNA markers is using them to form DNA guided EPDs. [/QUOTE]
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