News
CDCB delivers the latest news on genetic improvement, research and U.S. evaluations through its monthly newsletter, dairy media, and events.
August 2023 Evaluation Changes: What’s New?
July 6, 2023
A handful of changes are implemented for the U.S. genetic evaluations on August 8, 2023, as announced by the Council on Dairy Cattle Breeding and USDA Animal Genomics Improvement Laboratory.
April 2023 Evaluation Changes: What’s New?
March 7, 2023
The Council on Dairy Cattle Breeding and USDA Animal Genomics Improvement Laboratory are implementing a series of changes with the triannual U.S. evaluations on April 4, 2023.
December 2022 Evaluations: What Is New?
December 6, 2022
Nearly 79 million dairy animals received updated U.S. genetic evaluations on Tuesday, December 6. With the December 2022 triannual evaluations, two updates were implemented by the team at CDCB and USDA AGIL.
August 2022 Evaluations: What’s New?
August 9, 2022
In addition to the Brown Swiss health traits, CDCB implemented three other changes in the August 9, 2022, triannual evaluations.
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.
December 2021: Changes to Evaluation System
December 1, 2021
Genetic evaluations for Residual Feed Intake (RFI) were improved using variance adjustments and a higher estimated heritability. The RFI records are now adjusted to have equal variance across herds and across first versus later parities.
August 2021: Changes to Evaluation System
August 1, 2021
The new Lifetime Net Merit (NM$) including Feed Saved (FSAV), Heifer Livability (HLIV) and Early First Calving (EFC), along with a number of new parameters and assumptions, will be introduced in the August 2021 evaluation.
April 2021: Changes to Evaluation System
April 1, 2021
Several small adjustments to fertility traits editing will be introduced with the April 2021 evaluation to better account for late-term abortions. Fertility credits for traits Heifer Conception Rate (HCR) and Cow Conception Rate (CCR) now treat the last service as a failure instead of success if the next calving is coded as an abortion.
CDCB Connection
A monthly newsletter, details genetic evaluation updates and industry news.
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