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The "GOLDEN EGG" - Feed Efficiency??
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<blockquote data-quote="Frankie" data-source="post: 545668" data-attributes="member: 13"><p>Thank you, Sage, for the lecture on RFI. We've been performance testing Angus bulls for probably more than 15 years. Feedlot efficiency is something I'm very aware of and pay a lot of attention to.</p><p></p><p>In 2006, the high RFI bull on the Auburn Bull Test was not an Angus, but he marbled well, especially for the breed. The second high RFI bull WAS an Angus: Lot #116 has a 16.6 REA, 5.03% IMF, .45 BF. 5.03 IMF on a bull would equate to about 7 on a steer. That's high marbling. I don't find the report on that test still on the Auburn site. Maybe Mike would like to share it with the board?</p><p></p><p>For a long time, I watched Angus bulls on test gaining 4-5-6 lbs a day while feedlot steers averaged 3-3.5 lbs per day. It made no sense to me that heterosis would affect ADG. I asked some smart people at the Noble Foundation. They either didn't know or assured me that heterosis did, indeed, affect feedlot efficiency. But none of them ever followed through with any research data to confirm their assurances. I didn't argue. They're smart, educated people. It's their job to know this stuff. Then one day I found this from Oklahoma State University</p><p></p><p></p><p></p><p>Granted, this is older research and if someone has newer information from a reliable source, I'd be interested in reading it. But until then, my opinion is based on observations of lots and lots of bull test results and this from OSU.</p><p></p><p>Link: <a href="http://pods.dasnr.okstate.edu/docushare/dsweb/Get/Document-1929/F-3150web.pdf" target="_blank">http://pods.dasnr.okstate.edu/docushare ... 150web.pdf</a></p></blockquote><p></p>
[QUOTE="Frankie, post: 545668, member: 13"] Thank you, Sage, for the lecture on RFI. We've been performance testing Angus bulls for probably more than 15 years. Feedlot efficiency is something I'm very aware of and pay a lot of attention to. In 2006, the high RFI bull on the Auburn Bull Test was not an Angus, but he marbled well, especially for the breed. The second high RFI bull WAS an Angus: Lot #116 has a 16.6 REA, 5.03% IMF, .45 BF. 5.03 IMF on a bull would equate to about 7 on a steer. That's high marbling. I don't find the report on that test still on the Auburn site. Maybe Mike would like to share it with the board? For a long time, I watched Angus bulls on test gaining 4-5-6 lbs a day while feedlot steers averaged 3-3.5 lbs per day. It made no sense to me that heterosis would affect ADG. I asked some smart people at the Noble Foundation. They either didn't know or assured me that heterosis did, indeed, affect feedlot efficiency. But none of them ever followed through with any research data to confirm their assurances. I didn't argue. They're smart, educated people. It's their job to know this stuff. Then one day I found this from Oklahoma State University Granted, this is older research and if someone has newer information from a reliable source, I'd be interested in reading it. But until then, my opinion is based on observations of lots and lots of bull test results and this from OSU. Link: [url=http://pods.dasnr.okstate.edu/docushare/dsweb/Get/Document-1929/F-3150web.pdf]http://pods.dasnr.okstate.edu/docushare ... 150web.pdf[/url] [/QUOTE]
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