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CDCB is the main gear of the U.S. dairy cattle breeding engine.

The Council on Dairy Cattle Breeding is an industry collaboration that benefits the dairy community by providing gold standard genetic evaluations for the improvement of dairy cattle populations.

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CDCB releases official genomic
evaluations on a monthly basis.

Genomic evaluations are released non-officially on a weekly basis.
Traditional evaluations are run 3 times a year (in April, August and December).

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The CDCB allied partners' cooperator database
is the largest in the world devoted to dairy animals.

The cooperator database stores over 138 million female performance records, 3.5 million animal genotypes and
approximately 590,000 bulls with genetic evaluations or genomic predictions.

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Animal Queries

Access the CDCB genetic and genomic evaluation results for individual animals.

Evaluation Summaries

Have a quick glance of the overall results from the latest CDCB official evaluations.

Trends & Statistics

Learn about the great genetic progress made by U.S. dairy breeds

Net Merit Revised

Discover changes to Net Merit, the national selection index, in August 2021      

CDCB Connection

Read what is going on month by month in CDCB Connection.


Understand methods and practices applied by the CDCB.


See the CDCB latest news, including information related to evaluations.

CDCB By the Numbers

Click here for the latest facts and stats about CDCB, evaluations and the national cooperator database.