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News

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

Workshop Brings Together Industry Collaborators

Katelyn Allen

September 2, 2025

The 2025 National Cooperator Database Workshop hosted 106 people from 30 collaborating organizations in Milwaukee, Wis., August 26 to 28.

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What Else Can We Do With a Milk Sample?

Katelyn Allen

May 5, 2025

Milk samples already provide incredible insight — but it’s possible they could do even more. During the CDCB Producer Exchange, Malia Caputo, Ph.D., discussed the health, nutrition, and fertility opportunities of milk sample infrared spectrometry.

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CDCB Producer Exchange Connects the Industry

Katelyn Allen

April 4, 2025

On the eve of the April 2025 triannual evaluations, CDCB held its first Producer Exchange in Reno, Nev., in conjunction with the Western Dairy Management Conference. The event brought together dairy farmers, scientists, and industry collaborators to discuss the role genetics plays in a profitable farm operation — plus how new traits and research will continue to benefit producers.

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What Role Does Inbreeding Play in Genetic Base Changes?

John Cole

April 3, 2025

Genetic base changes include both corrections for observed genetic trends in the population and adjustments to account for future inbreeding. After the April 2025 base change, observed changes in Predicted Transmitting Abilities (PTAs) for individual animals may not match the base change values as closely as they have in the past. This is not due to any errors in the evaluation. It reflects Expected Future Inbreeding (EFI) changes in the population that are larger than they’ve been in the past.

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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

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December 2017: Changes to Evaluation System

Jana Hutchinson and Jay Megonigal and Ezequiel Nicolazzi and H Duane Norman and Kristen Parker Gaddis and Paul VanRaden and George Wiggans and Dan Null and John Cole and Leigh Walton and Rohith Shetty

December 1, 2017

Starting December 2017, the CDCB will publish the second Ayrshire haplotype affecting fertility. The publication of this important information for the Ayrshire breed is possible thanks to the research led by AGIL researches and the cooperation with CDN, who confirmed the preliminary results obtained in the US population.

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CDCB Connection

A monthly newsletter, details genetic evaluation updates and industry news.

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