dairytalker
VG86
Registered: 03-2010
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April proof - DPR
Did I miss something that changed with DPR?
The amount of movement in DPR the last several proofs (even in proven sires) seems ridiculous!
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3/4/2018, 22:36
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bazza20
Ex 97 2E
Registered: 07-2009
Posts: 1983
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Re: April proof - DPR
Been a bit of a rollback/adjustment to the way it’s calvulated.
It’s better now with more negative bulls. Bulls with less than1dpr were being claimed at fertility improvers even though they were some of the worst in the breed avalble today for dpr.
The important thing to look is where they rank for the trait compared to the rest of the bulls available.
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3/4/2018, 23:09
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errolston
Ex 97 2E
Registered: 07-2003
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Re: April proof - DPR
Which bulls have been particularly affected?
I don't study the figures as closely as I used to.
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5/4/2018, 9:58
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Craigalea
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Registered: 12-2004
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Re: April proof - DPR
I haven't looked at lots of bulls, but Josuper moved from +1.3 to -0.7 this run.
Supersire +0.6 to -1.3
--- Cattle art and bad cow puns: http://sketch-a-bull.tumblr.com/
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5/4/2018, 10:59
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bazza20
Ex 97 2E
Registered: 07-2009
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Re: April proof - DPR
Pretty much all effected. Ranking didn’t change a heap though.
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5/4/2018, 13:44
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smous
Cowtalk Staff
Registered: 11-2003
Location: South Africa
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Re: April proof - DPR
CDCBs explanations have been pickle poor. They have made bullshitters of us.
--- WWS-SA
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7/4/2018, 7:58
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errolston
Ex 97 2E
Registered: 07-2003
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Re: April proof - DPR
Smous, what do you mean?
Do you think the change from USDA to CDCB has had an impact?
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7/4/2018, 12:04
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errolston
Ex 97 2E
Registered: 07-2003
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Re: April proof - DPR
Looks like Montross and Ballisto have been a couple of the high profile casualties of the Fertility Index changes.
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8/4/2018, 10:38
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