Photo from GENEX Cooperative

Premier Dairy Genetic Information Services and Collaboration

CDCB manages the national cooperator database, calculates and distributes the U.S. genetic evaluations and genomic predictions, and aggregates dairy cattle data.

WebConnect Service

Access CDCB genetic and genomic evaluation results for individual animals.

Collaborator Portal

Access CDCB Redmine files and documentation.

How CDCB Supports Dairy Farmers

Provides premier dairy genetic information services, genetic and genomic evaluations, and management performance benchmarks

Manages the national cooperator database of dairy phenotypic and genomic data, the world’s largest animal database

Leverages cutting-edge research, working with USDA AGIL to produce quality genetic evaluations and indexes as Net Merit $

Expands the foundation of more than a century of recorded U.S. dairy cattle performance and research

Empowers continuous improvement and sustainability progress in dairy herds worldwide


Genotypes in CDCB’s national cooperator database (2.2023)


Percent of all A.I. breedings in U.S. that are to young genomic sires (2021)


U.S. cows enrolled in Dairy Herd Information test plans (2021)


Traits calculated by CDCB

Latest News from CDCB

What’s new at CDCB?

See the latest news, including updates to genetic evaluations

Join CDCB in Madison!

All dairy genetic enthusiasts invited to CDCB Industry Meeting on Wednesday morning, October 4

Genetic Evaluation Schedule

See deadlines and timelines for CDCB genetic evaluations, released weekly, monthly, and triannually. 

CDCB Certification

For quality evaluations, CDCB maintains high expectations for data, genomic nominators and genotyping labs.

National Cooperator Dairy Database Workshop

For those involved in collection, evaluation and distribution of data into and from the National Cooperator Database.

Meet the Team!

Meet the team that delivers and develops U.S. dairy genetic evaluations