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 Why use old bulls?

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PatB



Posts : 352
Join date : 2010-09-25
Age : 53
Location : Turner, Maine

PostSubject: Why use old bulls?   Wed Dec 26, 2012 7:54 am

interesting points made in link below

http://www.springlakeangus.com/why.html
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EddieM



Posts : 648
Join date : 2010-09-24
Location : South Carolina

PostSubject: Re: Why use old bulls?   Wed Dec 26, 2012 10:51 am

Pat, Please supply a list of old bulls that are available, improve fertility and cow efficiency. Thanks.
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PatB



Posts : 352
Join date : 2010-09-25
Age : 53
Location : Turner, Maine

PostSubject: Re: Why use old bulls?   Wed Dec 26, 2012 11:53 am

EddieM wrote:
Pat, Please supply a list of old bulls that are available, improve fertility and cow efficiency. Thanks.

I just posted the article for discussion purposes.

EddieM how about a list of current bulls that are available, improve fertility and cow efficiency.
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R V



Posts : 36
Join date : 2010-10-04

PostSubject: Re: Why use old bulls?   Wed Dec 26, 2012 7:17 pm

“It’s just common sense,” Lalman says. “When you look at the genetic trend for milk in the most popular breeds, on an equivalent basis, milking ability increases about 1 lb./year. We’re doing the same thing in selecting for increased muscle and growth potential. You have to ask yourself how much we need and how much can we afford at cow-calf level?”

Lalman shares this quote from Rick Bourdon, a respected industry geneticist and practical thinker: “To breed for optimum means you have a target in sight beyond which you don’t want to go. If your goal is to maintain an optimum level for any trait, the evidence of your accomplishment is not visible change but the lack of it.”

Lalman adds: “As an industry, we have demonstrated our ability to follow trends and overdo things. It’s getting us away from matching cows to their forage resources.”



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Sounds like familiar territory here...
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EddieM



Posts : 648
Join date : 2010-09-24
Location : South Carolina

PostSubject: Re: Why use old bulls?   Wed Dec 26, 2012 8:26 pm

Quote :
EddieM how about a list of current bulls that are available, improve fertility and cow efficiency.

I'm willing to bet on 715, 725, 734, 779, 789 and a few other home raised bulls because of the cows behind them.
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MKeeney
Admin


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Join date : 2010-09-21

PostSubject: Re: Why use old bulls?   Mon Dec 31, 2012 8:45 am

it seems there was no reason to "change" from "old" PDBS type...they merely needed exporting...

http://harrisonandhetherington.co.uk/pedigree/pedigree-angus-report-131012/
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