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.
December 2018: Changes to Evaluation System
December 1, 2018
December 2017: Changes to Evaluation System
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.
August 2017: Changes to Evaluation System
August 1, 2017
Genetic evaluations of males and genomic predictions of both sexes are now provided for gestation length (GL) as a new trait expressed in days.
CDCB Connection
A monthly newsletter, details genetic evaluation updates and industry news.
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