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News

CDCB delivers the latest news on genetic improvement, research and U.S. evaluations through its monthly newsletter, dairy media, and events.

What Role Does Inbreeding Play in Genetic Base Changes?

John Cole

April 3, 2025

Genetic base changes include both corrections for observed genetic trends in the population and adjustments to account for future inbreeding. After the April 2025 base change, observed changes in Predicted Transmitting Abilities (PTAs) for individual animals may not match the base change values as closely as they have in the past. This is not due to any errors in the evaluation. It reflects Expected Future Inbreeding (EFI) changes in the population that are larger than they’ve been in the past.

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2023-24 Activity Report: CDCB Board Chair Column

Lindsey Worden

October 1, 2024

Over the past year, the CDCB Board of Directors and staff have been focused on developing and then executing the new strategic plan that will guide our future initiatives and priorities. I’m pleased to share more about this plan with you.

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