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News & Events

What's New

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Date Subject Page detail
March 28, 2013 New Nonfunded Cooperative Agreement - CDCB
 Nonfunded Cooperative Agreement - CDCB
New nonfunded cooperative agreement by USDA and the CDCB
March 25, 2013 2013 annual reports
 2012 DHI statistics
March 22, 2013 Changes for April 2013 (updated Apr. 4, 2013)
 Evaluation system
  • Distribution and access to genomic evaluations
  • Use of a new chip with 76,867 markers
  • Ayrshire genomic evaluations
  • Weights used in genomic evaluations
  • Calving-ease format change
November 16, 2012 Changes for December 2012
(updated Nov. 30, 2012)		 Evaluation system
  • Correction and adjustment of health trait evaluations and reliabilities
  • PTA for days from calving to first insemination
  • Changes in HH1, HH3, and JH1 status
  • New reproductive status and culling annual reports
  • Automated processing of genotypes
Hiring announcements New Research Geneticist: Derek Bickhart (December 2, 2012)
New Postdoctoral Associate: Chuanyu Sun (October 1, 2012)
August 15, 2012 Vacancy announcement
 Research Geneticist (Animal)
GS-440-12/13
July 27, 2012 Changes for August 2012
 Evaluation system
  • Revisions to heifer and cow conception rates
  • Specific cow adjustments by country of evaluation for Holsteins
  • Genomic and pedigree inbreeding match better
  • Mobility for Brown Swiss and additional traits for Milking Shorthorns
  • Additional Brown Swiss genotypes from Interbull
  • Updated Chromosomal PTA Query
June 20, 2012 New AIPL Research Report
 AIPL Research Report NFCA-CDCB1 (06-12)
Background on the development of a nonfunded cooperative agreement between USDA's Agricultural Research Service (ARS) and the Council on Dairy Cattle Breeding (CDCB)
March 23, 2012 Changes for April 2012
 Evaluation system
  • Adjustments to genomic evaluations and reliabilities
  • Data cutoff date for sire conception rate
  • Productive life field format
  • Sire-dam multitrait across-country evaluation (MACE)
December 22, 2011 Retirement H. Duane Norman (December 31, 2011)
Departure Katie Olson (December 22, 2011)
Announcement
November 4, 2011 Changes for December 2011
 Evaluation system
  • Genomic evaluations using 6,909 markers
  • Maternal grandsire detection and discovery
July 28, 2011 Changes for August 2011
 Evaluation system
  • Inclusion of British and Italian Holstein genotypes
  • Reporting of haplotypes that affect fertility
  • Changes in marker edits
April 28, 2011 Retirement Leigh Walton (May 13, 2011)
Announcement
March 28, 2011 Changes for April 2011 (update) Evaluation system
  • Genomic Reliability Discount
March 14, 2011 Changes for April 2011
 Evaluation system
  • Adjustment of yield evaluations for all cows
  • Improved imputation
  • Chip type and genomic inbreeding in formats 38 and 105
  • Multitrait heifer and cow conception rates
December 14, 2010 Changes for December 2010 (update) Evaluation system
  • Evaluations using 2,900 markers
  • Revised genomic reliabilities for Jerseys
August 27, 2010 Changes for December 2010
 Evaluation system
  • Evaluations using 2,900 markers
  • Data sources for sire conception rate evaluations
July 9, 2010 Changes for August 2010 (update) Evaluation system
  • Mexican cow records
  • Validation of genomic evaluations
  • Improvements to imputed dam genotypes
  • Preliminary evaluations using 3,000 markers
  • Conception rate evaluations for males and females
June 23, 2010 Changes for August 2010 Evaluation system
  • Improvements to imputed dam genotypes
  • Preliminary evaluations using 3,000 markers
  • Validation of genomic evaluations
  • Conception rate evaluations for males and females
March 30, 2010 Changes for April 2010
(update)		 Evaluation system
  • Cow adjustments in genomic evaluation
  • Haplotypes used for imputing genotypes
  • Breed-specific markers
  • New fertility records excluded from sire conception rate
  • Genotypes from Switzerland
  • Improved reliability for genomic evaluations
March 24, 2010 Changes for April 2010 Evaluation system
  • Cow adjustments in genomic evaluation of yield traits
  • Haplotypes used for imputing genotypes
  • Breed-specific markers
  • Fertility data
  • Genotypes from Switzerland
  • Improved reliability for genomic evaluations
December 4, 2009 Changes for January 2010 Evaluation system
  • Base change
  • Net merit revision
  • Heifer and cow conception rates
  • Revised genomic evaluation methods
  • Web query to track genotypes
  • AIPL e-mail addresses
Net merit (2010 revision )   Net merit as a measure of lifetime profit: 2010 revision
August 10, 2009 Changes for August 2009 Evaluation system
  • Brown Swiss genomic evaluations
  • Revised marker set used in genomic predictions
  • Blending of genomic and current Interbull evaluations
Genetic base changes for January 2010   Genetic base changes for January 2010
April 6, 2009 Changes for April 2009 Evaluation system
  • Revisions to genomic calculations
January 22, 2009 Changes for January 2009 (update) Evaluation system
  • Genomic evaluations become official
  • Multitrait best prediction
  • Cow and heifer conception rates
December 9, 2008 Changes for January 2009 Evaluation system
  • Genomic evaluations become official
  • Multitrait best prediction
  • Cow and heifer conception rates
AIPL centennial celebration Agenda with links to presentations and notes
AIPL history
August 14, 2008 AIPL centennial celebration
October 28, 2008		 Announcement
Registration form
Hotel information
July 24, 2008 Changes for August 2008
 Evaluation system
  • Service sire conception rate
  • Genetic evaluations for clones
  • More traits of foreign sires used in cow evaluations
  • Reporting genetic recessive codes
April 2, 2008 Changes for April 2008 (update) Evaluation system
  • Genomic prediction
January 12, 2008 Changes for January 2008 (update) Evaluation system
  • New evaluation schedule
  • Interbull fertility evaluations for breeds other than Holstein
  • Interbull evaluations on Milking Shorthorn base
  • Jersey, Brown Swiss, and Guernsey conformation composites
December 5, 2007 Service-sire fertility evaluation Announcement
November 21, 2007 Interim evaluations for progeny-test bulls Announcement
August 9, 2007 Changes for August 2007 Evaluation system
  • Breed composition file for crossbreds
  • Adjustments to all-breed model
  • Parent averages for young bulls
  • Revised definition of Interbull type-of-proof code
Editing system
  • Correction of bull identification (ID) numbers with more than nine digits
May 1, 2007 Changes for May 2007 (final) Evaluation system
  • All-breed animal model
  • Genetic trend for daughter pregnancy rate
  • Genetic trends for calving ease and stillbirth
  • Revisions to herd variance adjustment
  • Sample population for expected future inbreeding
All-breed evaluation implementation All-breed evaluation
January 11, 2007 Changes for February 2007 (update) Evaluation system
  • Fertility evaluations from Interbull (updated January 18, 2007)
  • Elimination of duplicate evaluations for Red-and-White bulls and related format-38 changes
Editing system
  • Consistency in reporting abortions
  • Designation of breedings with sexed semen (updated January 26, 2007)
November 9, 2006 Changes for November 2006 Evaluation system
  • Holstein stillbirth and Brown Swiss calving-ease evaluations from Interbull
  • Ayrshire and Red Dairy Cattle breed codes
  • Series-840 animal identification (ID) numbers
  • Additional release of yield evaluations for dairy goats
Editing system
  • Eliminating milk-component values when all cows have the same value
July 21 , 2006 Changes for August 2006 (update) Evaluation system
  • Productive life (PL) credits revised; examples of bull changes provided (updated January 31, 2007)
  • Stillbirth and calving ability
  • Lifetime net merit revised
  • Calving ease (CE) edits
Net merit update (final) Net merit as a measure of lifetime profit: 2006 revision
April 14, 2006 Changes for May 2006 Evaluation system
  • Bull fertility evaluation transferred to AIPL
  • Milking speed evaluations for Brown Swiss
  • Rear legs/rear view evaluations for Brown Swiss and Guernseys
February 9, 2006 Changes for February 2006 Evaluation system
  • Daughter pregnancy rate (DPR) for foreign bulls

Last Modified: 04/04/2013
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