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lazy ace Member

Joined: 31 Dec 2005 Posts: 600 Location: Grand River Casino
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Posted: Tue Jan 09, 2007 12:55 pm Post subject: |
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We sell on a carcass grid and I can't see how selecting for it much on the cowherd side would help much. Most high ribeye bulls leave steery daughters and most top marbling bulls are kind of dairyish.[/quote]
Maybe thats why our ultra sound tech said to shoot for breed average. I don't know but I know the kind of cattle you are talking about.
have a cold one
lazy ace
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Northern Rancher Rancher

Joined: 10 Feb 2005 Posts: 12251 Location: saskatchewan
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Posted: Tue Jan 09, 2007 2:55 pm Post subject: |
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| I work for a major stud and it's hard to get bulls that are just average-it's a paradigm shift to market genetics that aren't the biggest,milkiest etc. There is a large segment of the business that can and will use bulls that are right in the middle E.P.d wise-in large segments of the industry E.P.D's are alot more about marketing than they are about breed and inherd improvement.
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lazy ace Member

Joined: 31 Dec 2005 Posts: 600 Location: Grand River Casino
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Posted: Tue Jan 09, 2007 5:56 pm Post subject: |
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| Northern Rancher wrote: |
| I work for a major stud and it's hard to get bulls that are just average-it's a paradigm shift to market genetics that aren't the biggest,milkiest etc. There is a large segment of the business that can and will use bulls that are right in the middle E.P.d wise-in large segments of the industry E.P.D's are alot more about marketing than they are about breed and inherd improvement. |
well put and good point.
have a cold one
lazy ace
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Horseless Member

Joined: 07 Jan 2007 Posts: 238 Location: Northern MT
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Posted: Wed Jan 10, 2007 7:53 am Post subject: |
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| In the last Drovers Journal Lee Leachman of Colorado, says each .20 increase in REA decreases mature cow size by 9 pounds. He says this results in cows that mature earlier and smaller. I find that info surprising as I would like to keep my mother cow size down. Seems to me it would make a bigger cow.
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Andy Member

Joined: 15 Feb 2005 Posts: 395 Location: south east central SD
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Posted: Wed Jan 10, 2007 8:11 am Post subject: |
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| Lee may have seen that in his cows, but I can argue that my small effiecent angus cows have the smaller REA and the larger crossbred cows have larger REA.
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Northern Rancher Rancher

Joined: 10 Feb 2005 Posts: 12251 Location: saskatchewan
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Posted: Wed Jan 10, 2007 9:37 am Post subject: |
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| Isn't selection for inches of ribeye/cwt that will slowly result in a decrease in mature size. Larger cattle will usually have a bigger ribeye.
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Horseless Member

Joined: 07 Jan 2007 Posts: 238 Location: Northern MT
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Posted: Wed Jan 10, 2007 4:37 pm Post subject: |
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| Northern Rancher wrote: |
| Isn't selection for inches of ribeye/cwt that will slowly result in a decrease in mature size. Larger cattle will usually have a bigger ribeye. |
That could be, I have seen some sales list that measurement. Always wondered why.
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