News

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

Introduction of HMW: The Haplotype Call for Early Onset Muscle Weakness Syndrome

CDCB and Holstein USA and National Association of Animal Breeders

November 15, 2023

The December 5, 2023, dairy cattle genetic evaluations will contain a new haplotype call for Early Onset Muscle Weakness Syndrome (HMW).


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.


More Breeds Need Genetic Evaluations for Stillbirth

H Duane Norman

January 6, 2022

Determining the effectiveness of genetic evaluations for stillbirth in additional U.S. dairy breeds was the research focus for CDCB intern, Anil Sigdel, in summer 2021.


April 2021: Changes to Evaluation System

Jana Hutchinson and Paul VanRaden

April 1, 2021

Several small adjustments to fertility traits editing will be introduced with the April 2021 evaluation to better account for late-term abortions. Fertility credits for traits Heifer Conception Rate (HCR) and Cow Conception Rate (CCR) now treat the last service as a failure instead of success if the next calving is coded as an abortion.


April 2020: Changes to Evaluation System

H Duane Norman and Paul VanRaden and George Wiggans

April 1, 2020


August 2019: Changes to Evaluation System

Jana Hutchinson and Paul VanRaden

August 1, 2019


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


April 2018: Changes to Evaluation System

Jay Megonigal and H Duane Norman and Kristen Parker Gaddis and Paul VanRaden

April 1, 2018

Official genetic and genomic evaluations for resistance to six health events in Holsteins (Hypocalcemia, Displaced abomasum, Ketosis, Mastitis, Metritis, Retained placenta) will be first published in April 2018. These traits are six of the most common and costly health events impacting dairy herds.


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