News

CDCB delivers the latest news on genetic improvement, research and U.S. evaluations through its monthly newsletter, dairy media, and events.

Constructed ID’s: Eliminating Pedigree Dead Ends

Lillian Bacheller and José Carrillo and Ezequiel Nicolazzi and George Wiggans

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

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.


Research Updated: Pipeline for Hoof Health Data

Javier Burchard

March 23, 2022

The Council on Dairy Cattle Breeding (CDCB) is implementing a project to provide dairy producers with state-of-the-art knowledge and technologies to enhance hoof health and promote productivity and sustainability of the dairy enterprise.


December 2021: Changes to Evaluation System

Kristen Parker Gaddis and Paul VanRaden

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.


August 2021: Changes to Evaluation System

Mahesh Neupane and Kristen Parker Gaddis and Paul VanRaden and Rob Tempelman

August 1, 2021

The new Lifetime Net Merit (NM$) including Feed Saved (FSAV), Heifer Livability (HLIV) and Early First Calving (EFC), along with a number of new parameters and assumptions, will be introduced in the August 2021 evaluation.


December 2020: Changes to Evaluation System

Kristen Parker Gaddis and Paul VanRaden

December 1, 2020


December 2018: Changes to Evaluation System

Lillian Bacheller and Paul VanRaden and Dan Null and Derek Bickhart and John Cole and Ben Rosen and Jeff O’Connell

December 1, 2018


August 2018: Changes to Evaluation System

Kristen Parker Gaddis and Paul VanRaden

August 1, 2018

The August 2018 NM$ update includes genetic evaluations for six new direct health traits first introduced in April 2018 for Holsteins: displaced abomasum, hypocalcemia (milk fever), ketosis, mastitis, metritis and retained placenta.


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