News
CDCB delivers the latest news on genetic improvement, research and U.S. evaluations through its monthly newsletter, dairy media, and events.
August 2024 Changes: Impact on Evaluations
August 13, 2024
In the August 2024 evaluations, implemented changes had effects on all yield traits (Milk, Fat and Protein) and Heifer Livability, along with correlated traits of Productive Life and Cow Livability in some cases. Breed Base Representation (BBR) values were updated, with the annual reference population update and introduction of a revised SNP list.
Introduction of HMW: The Haplotype Call for Early Onset Muscle Weakness Syndrome
November 15, 2023
The December 5, 2023, dairy cattle genetic evaluations will contain a new haplotype call for Early Onset Muscle Weakness Syndrome (HMW).
Announcing QDisc
February 10, 2023
CDCB announces a new service, QDisc, or quick discovery of close relatives. This quick-turnaround service uses the ICAR-defined parentage SNP to discover close relatives.
Constructed ID’s: Eliminating Pedigree Dead Ends
February 1, 2023
Knowing an animal’s ancestry several generations back is certainly the goal for breeders; however, there are instances where animals have a gap in their pedigree. To fill in more pedigree gaps, CDCB is implementing a new solution starting in February 2023.
Connecting with Jay Weiker
October 13, 2022
Jay Weiker, Chair of the CDCB Board of Directors, shares the CDCB progress and priorities of the past year in the newly-published 2022 Activity Report.
April 2022: Changes to Evaluation System
April 4, 2022
Three times a year, genetic evaluations are calculated for all the dairy animals in the U.S. database.
April 2022: Changes to Evaluations
March 8, 2022
CDCB announces updates to the genetic evaluation system, effective with the April 5, 2022, triannual evaluations. Five enhancements are detailed on the CDCB website.
December 2021: Changes to Evaluation System
December 1, 2021
Genetic evaluations for Residual Feed Intake (RFI) were improved using variance adjustments and a higher estimated heritability. The RFI records are now adjusted to have equal variance across herds and across first versus later parities.
CDCB Connection
A monthly newsletter, details genetic evaluation updates and industry news.
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