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.


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


December 2019: Changes to evaluation system

Ezequiel Nicolazzi and Paul VanRaden and George Wiggans

December 1, 2019


December 2019: Changes to Evaluation System

Ezequiel Nicolazzi and Paul VanRaden and George Wiggans

December 1, 2019


August 2019: Changes to Evaluation System

Jana Hutchinson and Paul VanRaden

August 1, 2019


April 2019: Changes to Evaluation System

Paul VanRaden and George Wiggans

April 1, 2019


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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