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Carcass study comparing Bos Indicus to Angus
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<blockquote data-quote="Fire Sweep Ranch" data-source="post: 1038335" data-attributes="member: 18809"><p>Our extension beef agent puts out a newsletter each month, and this month had an interesting comparison about a feed out study comparing bos indicus cattle to Angus. Here are his comments:</p><p></p><p>SOUTHERN CARCASS IMPROVEMENT PROJECT</p><p>Back in April, 2012 I was on a tour to western Kansas and</p><p>visited Gardiner Angus Ranch. Mark Gardiner mentioned</p><p>their cooperation on a project to compare the difference in</p><p>carcass quality and value when a set of southern cows were</p><p>bred to either high carcass value Angus bulls or to a</p><p>selection of southern-type bulls which carried Brahman and</p><p>Senepol influence.I recently ran across a report on this trial, thanks to Tom</p><p>Troxel, University of Arkansas Extension beef specialist.</p><p>He summarized the results in the Beef Cattle Research</p><p>Update.</p><p>There were 12 dams with ¼ to ½, visual Bos indicus</p><p>influence and they were the embryo-producing cows.</p><p>Those cows produced 112 progeny. Of those, 59 were</p><p>Angus-sired and 53 were by the southern sires. The</p><p>recipient dams were of common genetics. The resulting</p><p>progeny were managed in the same environment from birth</p><p>to harvest. All were slaughtered at about 2 years of age.</p><p></p><p>Angus-sired calves had a 5-day shorter gestation, were</p><p>8.6 lbs. lighter at birth, had similar weaning weights and</p><p>were 64.2 lbs. heavier as yearlings.</p><p></p><p>Angus-sired claves had a 78 point higher marbling</p><p>score, 47.2 lbs. heavier carcass, 0.1 inch more backfat</p><p>with no significant yield grade difference.</p><p></p><p>Angus-sired carcasses graded 77% Choice while the</p><p>southern-sired calves only made 25% Choice.</p><p></p><p>The grid premium advantage was $56.99 per head for</p><p>the Angus crosses. There was a $73 per head net</p><p>economic advantage when carcass price and feed costs</p><p>were combined. ($117 carcass value advantage minus</p><p>$44 for added feed costs.)</p><p>The one cross made quite an impact because the Angus</p><p>bulls were selected for carcass merit and high accuracy.</p><p>Perhaps they even viewed the $B of index when selecting</p><p>those bulls. Whereas, the southern bulls were randomly</p><p>selected on available semen from AI companies. They</p><p>might not have had EPDs. To some this was stacking the</p><p>deck, but it shows what can be done to enhance progeny</p><p>performance with EPDs and artificial insemination. </p><p></p><p>And these are for Bruno. I took a few pics of Simbrahs while I was waiting for the purebred bred and owned part of the show to start. </p><p><img src="http://ranchers.net/photopost/data/500/medium/IMG_1137.JPG" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><img src="http://ranchers.net/photopost/data/500/medium/IMG_1138.JPG" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p><p><img src="http://ranchers.net/photopost/data/500/medium/IMG_11392.JPG" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="Fire Sweep Ranch, post: 1038335, member: 18809"] Our extension beef agent puts out a newsletter each month, and this month had an interesting comparison about a feed out study comparing bos indicus cattle to Angus. Here are his comments: SOUTHERN CARCASS IMPROVEMENT PROJECT Back in April, 2012 I was on a tour to western Kansas and visited Gardiner Angus Ranch. Mark Gardiner mentioned their cooperation on a project to compare the difference in carcass quality and value when a set of southern cows were bred to either high carcass value Angus bulls or to a selection of southern-type bulls which carried Brahman and Senepol influence.I recently ran across a report on this trial, thanks to Tom Troxel, University of Arkansas Extension beef specialist. He summarized the results in the Beef Cattle Research Update. There were 12 dams with ¼ to ½, visual Bos indicus influence and they were the embryo-producing cows. Those cows produced 112 progeny. Of those, 59 were Angus-sired and 53 were by the southern sires. The recipient dams were of common genetics. The resulting progeny were managed in the same environment from birth to harvest. All were slaughtered at about 2 years of age. Angus-sired calves had a 5-day shorter gestation, were 8.6 lbs. lighter at birth, had similar weaning weights and were 64.2 lbs. heavier as yearlings. Angus-sired claves had a 78 point higher marbling score, 47.2 lbs. heavier carcass, 0.1 inch more backfat with no significant yield grade difference. Angus-sired carcasses graded 77% Choice while the southern-sired calves only made 25% Choice. The grid premium advantage was $56.99 per head for the Angus crosses. There was a $73 per head net economic advantage when carcass price and feed costs were combined. ($117 carcass value advantage minus $44 for added feed costs.) The one cross made quite an impact because the Angus bulls were selected for carcass merit and high accuracy. Perhaps they even viewed the $B of index when selecting those bulls. Whereas, the southern bulls were randomly selected on available semen from AI companies. They might not have had EPDs. To some this was stacking the deck, but it shows what can be done to enhance progeny performance with EPDs and artificial insemination. And these are for Bruno. I took a few pics of Simbrahs while I was waiting for the purebred bred and owned part of the show to start. [img]http://ranchers.net/photopost/data/500/medium/IMG_1137.JPG[/img] [img]http://ranchers.net/photopost/data/500/medium/IMG_1138.JPG[/img] [img]http://ranchers.net/photopost/data/500/medium/IMG_11392.JPG[/img] [/QUOTE]
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