News
CDCB delivers the latest news on genetic improvement, research and U.S. evaluations through its monthly newsletter, dairy media, and events.
August 2024 Changes: Impact on Evaluations
August 13, 2024
In the August 2024 evaluations, implemented changes had effects on all yield traits (Milk, Fat and Protein) and Heifer Livability, along with correlated traits of Productive Life and Cow Livability in some cases. Breed Base Representation (BBR) values were updated, with the annual reference population update and introduction of a revised SNP list.
Introduction of HMW: The Haplotype Call for Early Onset Muscle Weakness Syndrome
November 15, 2023
The December 5, 2023, dairy cattle genetic evaluations will contain a new haplotype call for Early Onset Muscle Weakness Syndrome (HMW).
April 2022: Changes to Evaluation System
April 4, 2022
Three times a year, genetic evaluations are calculated for all the dairy animals in the U.S. database.
August 2020: Changes to Evaluation System
August 1, 2020
December 2019: Changes to Evaluation System
December 1, 2019
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.
CDCB Connection
A monthly newsletter, details genetic evaluation updates and industry news.
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- Taylor Leach for Dairy Herd Management
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- USDA Animal Genomics and Improvement Laboratory