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.
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.
System Downtime, Weekly Schedule Change
January 11, 2024
UPDATE: As of 10:30 a.m. eastern on Tuesday, January 16, CDCB systems are back online and fully operational after the scheduled hardware maintenance. Weekly evaluations will be released Wednesday, January 17.
WebConnect Replaces Legacy System
October 27, 2022
CDCB’s new WebConnect platform has now completely replaced the legacy system for evaluation queries, results and listings.
Research Updated: Pipeline for Hoof Health Data
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 2018: Changes to Evaluation System
December 1, 2018
April 2018: Changes to Evaluation System
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.
CDCB Connection
A monthly newsletter, details genetic evaluation updates and industry news.
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