Topic |
Evaluation date |
Changes |
|
Genomics |
August 2013 |
- Version 2 of GeneSeek Genomic Profiler chip
- Foreign and genomic information in parent averages
|
May 2013 |
- Additional variables added to XML files
- Information on GP2 chip
|
April 2013 |
- Distribution and access to genomic evaluations
- Use of a new chip with 76,867 markers
- Ayrshire genomic evaluations
- Weights used in genomic evaluations
|
December 2012 |
- Correction and adjustment of health trait evaluations and
reliabilities
- Changes in HH1, HH3, and JH1 status
- Automated processing of genotypes
|
August 2012 |
- Additional Brown Swiss genotypes from Interbull
- Updated chromosomal PTA query
|
December 2011 |
- Adjustments to genomic evaluations and reliabilities
|
April 2012 |
- Genomic evaluations using 6,909 markers
|
August 2011 |
- Inclusion of British and Italian Holstein genotypes
- Changes in marker edits
|
April 2011 |
- Improved imputation
- Genomic Reliability Discount
|
December 2010 |
- Evaluations using 2,900 markers
|
August 2010 |
- Improvements to imputed dam genotypes
- Preliminary evaluations using 3,000 markers
- Validation of genomic evaluations
|
April 2010 |
- Cow adjustments in genomic evaluation of yield traits
- Haplotypes used for imputing genotypes
- Genotypes from Switzerland
- Improved reliability for genomic evaluations
|
January 2010 |
- Revised genomic evaluation methods
- Web query to track genotypes
|
August 2009 |
- Brown Swiss genomic evaluations
- Revised marker set used in genomic predictions
- Blending of genomic and current Interbull evaluations
|
April 2009 |
- Revisions to genomic calculations
|
January 2009 |
- Genomic evaluations become official
|
April 2008 |
|
|
|
U.S. yield traits |
April 2011 |
- Adjustment of yield evaluations for all cows
|
April 2010 |
- Cow adjustments in genomic evaluation of yield traits
|
January 2010 |
|
January 2009 |
- Multitrait best prediction
|
May
2007 |
- All-breed animal model
- Revisions to herd variance adjustment
|
August 2006 |
- Lifetime net merit revised
|
May
2005 |
- Herd-by-sire interaction variance
|
November
2000 |
- Heritability increase for Jersey and Brown Swiss
|
August
2000 |
- True protein replaced crude protein
|
February
1999 |
- Lactation records computed from test-day data by best
prediction
- Factors to adjust for 3 milkings per day updated
|
November
1998 |
- Cows in owner-sampler plans received predictied transmitting
abilities (PTA's)
|
February
1998 |
- Reliabilities of milk, fat, and protein combined into yield
reliability
|
August
1997 |
- Heritability increased to 30%, herd-sire interaction
decreased to 10%, and permanent environment decreased to 15%
- Deviations from management group mean limited to 4 standard
deviations
- Five Netherlands bulls received U.S. PTA's
|
February
1997 |
- Owner-sampler and other records with type-of-test 40 to 77
used
- Future milk prices forecast with a relative protein:fat ratio
of 2:1
|
July
1996 |
- Lactation weights computed from record standards variables
instead of days in milk
|
January
1995 |
- New adjustment factors for age, parity, season, and previous
days open
- Residual age-parity effects included in model
|
July
1994 |
- Percentiles changed from milk-fat-protein dollars (MFP$) to
net merit (bulls only)
|
January
1993 |
- Animal model computations moved from Cornell to AIPL
|
July
1991 |
- Heterogeneous variance adjustment began
|
January
1991 |
- New lactation weights and expansion of partial records began
(RIP dip adjustment)
|
January
1990 |
- Records from later herds included in animal model
|
July
1989 |
- Animal model implemented
- Missing protein PTA's estimated
- Percentiles changed from milk-fat dollars (MF$) to MFP$
|
|
Foreign yield traits |
August 2012 |
- Specific cow adjustments by country of evaluation for
Holsteins
|
April 2012 |
- Sire-dam multitrait across-country evaluation (MACE)
|
August 2010 |
|
January 2008 |
- Interbull evaluations on Milking Shorthorn base
|
August 2007 |
- Parent averages for young bulls
|
May 2001 |
- Officiality rules changed
|
November
2000 |
- Effective number of daughters used in Interbull
reliabilities
|
February
2000 |
- Foreign evaluations requested for more cow dams
|
November
1999 |
- Foreign evaluations of parents included in cow
evaluations
|
May
1999 |
- Foreign evaluations of bull dams from more countries used in
parent averages
|
February
1999 |
- Use of Canadian dam data extended to other nations
|
May
1998 |
- Interbull evaluations official for a larger number of
bulls
|
February
1997 |
- National and international evaluations released together
- Interbull evaluations preferred when reliability is 5% higher
than U.S. reliability except when U.S. reliability reaches 80%
|
January
1996 |
- Reliabilities for foreign bulls account for imperfect genetic
correlation
|
July
1995 |
- For bulls with Canadian dams, converted Canadian data used
for parent averages
|
January
1995 |
- Conversions for European bulls replaced with Interbull
multitrait across-country evaluations (MACE)
|
July
1993 |
- Converted Canadian data provided on same day and in same
format as U.S. data
|
January
1993 |
- Canadian evaluations converted and combined with U.S.
PTA's
|
|
Other traits |
April 2013 |
- Calving-ease format change
|
December 2012 |
- Correction and adjustment of health trait evaluations and
reliabilities
- PTA for days from calving to first insemination
- New reproductive status and culling annual reports
|
August 2012 |
- Revisions to heifer and cow conception rates
- Mobility for Brown Swiss and additional traits for Milking
Shorthorns
|
April 2012 |
- Data cutoff date for sire conception rate
- Sire-dam multitrait across-country evaluation (MACE)
|
April 2011 |
- Multitrait heifer and cow conception rates
|
December 2010 |
- Data sources for sire conception rate evaluations
|
August 2010 |
- Conception rate evaluations for males and females
|
April 2010 |
|
January 2010 |
- Net merit revision
- Heifer and cow conception rates
|
January 2009 |
- Cow and heifer conception rates
|
August 2008 |
- Service sire conception rate
- More traits of foreign sires used in cow evaluations
|
January 2008 |
- Interbull fertility evaluations for breeds other than
Holstein
- Interbull evaluations on Milking Shorthorn base
- Jersey, Brown Swiss, and Guernsey conformation
composites
|
May
2007 |
- All-breed animal model
- Genetic trend for daughter pregnancy rate
- Genetic trends for calving ease and stillbirth
- Revisions to herd variance adjustment
|
August 2006 |
- Lifetime net merit revised
|
February 2007 |
- Fertility evaluations from Interbull
|
November 2006 |
- Holstein stillbirth and Brown Swiss calving-ease (CE)
evaluations from Interbull
|
August 2006 |
- Productive life (PL) credits revised
- Stillbirth and calving ability
- Lifetime net merit revised
- CE edits
|
May 2006 |
- Bull fertility evaluation transferred to AIPL
- Milking speed evaluations for Brown Swiss
- Rear legs/rear view evaluations for Brown Swiss and
Guernseys
|
February 2006 |
- Daughter pregnancy rate (DPR) for foreign bulls
|
May 2005 |
- CE edits
- Interbull daughter CE
|
November 2004 |
- Interbull longevity evaluations
|
May 2004 |
- New variances for Jersey and and Brown Swiss type
- Jersey Interbull type evaluations
|
February 2004 |
- Pregnancy rate excludes embryo donors
- Release of Interbull type evaluations for Ayrshire bulls
|
November 2003 |
- Earlier evaluation of DPR
- Fertility and CE in prediction of PL
|
August 2003 |
- Fertility and calving ease in net merit
- New variances for Ayrshire type traits
|
May 2003 |
- New variances for type traits
- Parent averages for net merit and DPR
|
February 2003 |
- DPR evaluations introduced
- Changes in type evaluations for non-Holstein breeds
|
November 2002 |
- Release of Interbull type evaluations for Guernsey and Brown
Swiss bulls
|
August 2002 |
- Sire-maternal grandsire threshold model for CE
- Adjustment for heterogeneous variance in genetic evaluation
of type traits
|
February 2002 |
|
November 2001 |
|
August 2001 |
- Release of Interbull type evaluations for Jersey bulls
|
May 2001 |
- Interbull SCS evaluations
- Variance adjustments for Jersey type traits
- Interbull conformation evaluations
|
November
2000 |
- Revised correlations in multitrait PL
|
August
2000 |
- Multitrait PL
- Lifetime net merit
|
August
1999 |
- Net merit calculated from Interbull evaluations that include
SCS and PL evaluations based on 1 to 9 daughters; parent average previously
used for those bulls
|
May
1999 |
- Fluid and chees merit indexes and expected inbreeding
available for cows
|
February
1999 |
- Fluid and cheese merit indexes introduced
|
February
1998 |
- Type data for breeds other than Holstein evaluated using a
multitrait animal model
|
January
1996 |
- Missing PL and SCS added to make net merit available for all
cows
|
July
1995 |
- Net merit, PL, and SCS provided for cows with records
|
January
1995 |
- New multiplicative SCS age adjustment factors
|
July
1994 |
- Direct and indirect measures of PL combined by Holstein
Association
- Missing PL and SCS added to provide net merit for all
bulls
- Reliability of net merit added
|
January
1994 |
- PL, SCS, and net merit introduced
|
|
Delivery and base |
May 2013 |
- Release rule changes
- Additional variables added to XML files
|
April 2013 |
- Distribution and access to genomic evaluations
|
April 2011 |
- Chip type and genomic inbreeding in formats 38 and 105
|
April 2011 |
- Chip type and genomic inbreeding in formats 38 and 105
|
January 2010 |
- Base change
- AIPL e-mail addresses
|
November 2010 |
|
August 2009 |
- Proposed genetic base changes for January 2010
|
January 2008 |
- New evaluation schedule
- Interbull evaluations on Milking Shorthorn base
|
May
2007 |
|
November 2006 |
- Additional release of yield evaluations for dairy goats
|
February 2005 |
|
August 2003 |
- Changes to the Red-and-White elite cow list
|
August 2002 |
- Changes to format-31 and -38 sire evaluation files
|
August 2001 |
- Early release of bull ID information
- Early release of official Interbull evaluations
|
February 2001 |
- Delayed release of Interbull files
- Development of comparison tables
- Development of new e-mail notification list
|
August
2000 |
- Genetic base changed to cows born in 1995
- Genetic base changes for non-Holstein type traits
|
August
1999 |
- Evaluation start moved 1 week later, allowing an additional
week of data to be included
|
February
1999 |
- Bull rankings provided on web and automatically by
e-mail
|
May
1997 |
- Frequency of evaluations increased to 4 times per year
|
February
1997 |
- Public access to cow and bull PTA's provided at AIPL web
site
|
January
1995 |
- Genetic base changed to cows born in 1990
|
July
1989 |
- Genetic base changed to cows born in 1985
|
|
Identification and inbreeding |
August 2013 |
- New fertility and stillbirth haplotypes and changes in
haplotype status
- Six digit cow control numbers
|
December 2012 |
- Changes in HH1, HH3, and JH1 status
- Automated processing of genotypes
|
August 2012 |
- Genomic and pedigree inbreeding match better
|
December
2011 |
- Maternal grandsire detection and discovery
|
August
2011 |
- Reporting of haplotypes that affect fertility
|
April 2010 |
|
August 2008 |
- Genetic evaluations for clones
- Reporting genetic recessive codes
|
August 2007 |
- Breed composition file for crossbreds
- Adjustments to all-breed model
- Revised definition of Interbull type-of-proof code
- Correction of bull (ID) numbers with more than nine
digits
|
May
2007 |
|
February 2007 |
- Elimination of duplicate evaluations for Red-and-White bulls
and related format-38 changes
|
November 2006 |
- Ayrshire and Red Dairy Cattle breed codes
- Series-840 animal ID numbers
|
November 2003 |
- Measure of pedigree completeness
|
November 2001 |
|
August 2001 |
- Determination of preferred ID
|
May 2001 |
- Inclusion of crossbred cows from upgrading programs
|
November
2000 |
- Canadian and American ID checking
|
August
2000 |
- Foreign bull pedigree added
- Cross-references generated from cow control number
|
May
2000 |
- Cross-references derived from cow control number
|
February
2000 |
- Inbreeding sample included more complete pedigrees
- Error detection improved for country codes in ID numbers
|
November
1999 |
- Foreign ID may be preferred over U.S. ID
|
May
1999 |
- Maternal grandsire and birth date supplied for international
bulls
|
February
1999 |
- New sampling procedures used for expected inbreeding
|
November
1998 |
- Registry status and recessive codes provided
|
February
1998 |
- Formats displayed international ID numbers and 4-digit
years
- Expected inbreeding of future progeny provided to help
identify outcross bulls
|
January
1994 |
- Inbreeding calculated and used in relationship matrix
inverse
|
July
1989 |
- Red-and-White breed data combined with Holstein data
|
|
Edits and corrections |
December 2012 |
- Correction and adjustment of health trait evaluations and
reliabilities
- Automated processing of genotypes
|
February 2007 |
- Consistency in reporting abortions
- Designation of breedings with sexed semen
|
May 2004 |
- Detection of abnormally high test-day yields for goats
|
August 2003 |
- Calculation of owner-sampler percentage
- Calculation of data collection rating (DCR)
- Edits applied to owner-sampler herds
|
May 2003 |
- Detection and adjustment of abnormal test day yields
|
August 2002 |
- Detection and adjustment of outlier test-day yields
- Addition of initiation code to lactation record
|
August 2001 |
- Evaluations and edits for owner-sampler data
|
May 2001 |
- Edits for long lactations
- Goat data edits and queries
- Correction of protein lactation records
|
February 2001 |
- Improvements in checking for twins
|
November
2000 |
|
May
2000 |
- High-ranking grade designation corrected
- First-herd designation corrected
- Usable-herd designation corrected
- Reporting of test-day errors
|
February
2000 |
- Editing improved for test-day data
|
November
1999 |
- Different tests included when cows change herds
|
May
1999 |
- Cows required to be tested in first 90 instead of 75 days of
lactation
|
February
1999 |
- New test-day edits and new programs to accommodate American
ID installed
|
January
1993 |
- Improved editing system installed
|
|
Earlier
history |
18621992 |
|
|
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