News

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

April 2024 Evaluation Changes: What’s New?

CDCB and USDA Animal Genomics and Improvement Laboratory

March 7, 2024

CDCB and USDA AGIL announce enhancements in the U.S. dairy genetic evaluations on April 2, 2024.


Seeking 2024 CDCB Intern Candidates

CDCB

November 17, 2023

In summer 2024, CDCB will again offer internships to dairy or animal science students during their junior, senior, or graduate study program.


Intern Report: Termination Code Frequencies

CDCB

December 9, 2022

During the CDCB internship in summer 2022, I analyzed the termination codes (the reason why cattle left the herd) and made connections to common health traits as to why they left the herd.


Internship Applications Due March 31, 2023

CDCB

October 24, 2022

Since 2016, CDCB has offered summer internships to junior, senior, or graduate students with a major in animal or dairy science, supporting the development of future genetic leaders.


December 2021: Changes to Evaluation System

Kristen Parker Gaddis and Paul VanRaden

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

Mahesh Neupane and Kristen Parker Gaddis and Paul VanRaden and Rob Tempelman

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

Jana Hutchinson and Paul VanRaden

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.


December 2020: Changes to Evaluation System

Kristen Parker Gaddis and Paul VanRaden

December 1, 2020


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