News
CDCB delivers the latest news on genetic improvement, research and U.S. evaluations through its monthly newsletter, dairy media, and events.
August 2025 Evaluation Changes: What’s New?
July 10, 2025
The August 2025 triannual genetic evaluations include the introduction of a new trait for Holsteins, the implementation of the five-year base change for calving traits, and updates to two other traits.
CDCB Keeps Pace with Advancing Genomic Technology Through Integration of Genotyping-by-Sequencing
June 5, 2025
CDCB has certified its first sequencing-based laboratory for data submission.
10M Animal Genotypes in National Cooperator Database
December 21, 2024
A remarkable milestone – 10 million animal genotypes in the National Cooperator Database – was recorded on December 14 as 2024 was winding down.
National Dairy Genetic Index Update, Base Change Set for April 2025
December 20, 2024
Two significant updates will be implemented in the April 2025 dairy genetic evaluations published by the Council on Dairy Cattle Breeding (CDCB) – a revision to the lifetime merit indices and a genetic base change. The CDCB Board of Directors approved these revisions at their December 18, 2024 meeting.
December 2024 CDCB Evaluations: What’s New?
November 1, 2024
The CDCB and USDA AGIL team describes changes implemented for the triannual genetic evaluations on December 3, 2024, including updated calculations for Residual Feed Intake, integration of foreign evaluations with the new Rear Teat Placement in Brown Swiss, and exclusion of some crossbred animals in Net Merit $ trends.
New Logo Adds Transparency to Dairy Cattle Genetic Evaluations
October 2, 2024
The U.S. dairy industry will see a new symbol with genetic evaluations – Powered by CDCB – when the information is provided by the Council on Dairy Cattle Breeding (CDCB). Use of this mark increases transparency in genetic evaluations, helping producers connect the quality and sources of information they use for breeding and management decisions.
Introducing 305-AA: The New Standardized Yield Measurement
June 21, 2024
Beginning in June 2024, the Council on Dairy Cattle Breeding’s (CDCB) publication of 305-ME (Mature Equivalent) will be discontinued and replaced by 305-AA (Average Age) as the standardized yield estimate for U.S. dairy cows.
April 2024 Evaluation Changes: What’s New?
March 7, 2024
CDCB and USDA AGIL announce enhancements in the U.S. dairy genetic evaluations on April 2, 2024.
CDCB Connection
A monthly newsletter, details genetic evaluation updates and industry news.
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