Ezequiel Nicolazzi

August 2024 Changes: Impact on Evaluations

Ezequiel Nicolazzi

August 13, 2024

The August 2024 CDCB evaluations have incorporated several changes outlined in  August 2024 Evaluations: What’s New. How were the genetic evaluations impacted by these changes?…


Announcing QDisc

Ezequiel Nicolazzi

February 10, 2023

By Ezequiel NicolazziCDCB announces a new service, QDisc, or quick discovery of close relatives. This quick-turnaround service uses the ICAR-defined parentage SNP to discover close relatives. This…


Constructed ID’s: Eliminating Pedigree Dead Ends

Lillian Bacheller José Carrillo Ezequiel Nicolazzi George Wiggans

February 1, 2023

Knowing an animal’s ancestry several generations back is certainly the goal for breeders; however, there are instances where animals have a gap in their pedigree.…


What’s New in April’s Genetic Evaluations

Ezequiel Nicolazzi

April 4, 2022


April 2022: Changes to Evaluation System

Ezequiel Nicolazzi

April 4, 2022

Three times a year, genetic evaluations are calculated for all the dairy animals in the U.S. database. As a result, farmers worldwide can make breeding…


April 2022: Changes to Evaluations

Ezequiel Nicolazzi

March 8, 2022

CDCB announces updates to the genetic evaluation system, effective with the April 5, 2022, triannual evaluations. Five enhancements are detailed on the CDCB website. 1. Flexible…


Genomics drives new trait development

Ezequiel Nicolazzi

April 5, 2021

These triannual evaluations – on April 6, August 10, and December 7 this year – incorporate genomic data along with updated performance, or phenotypic, data…


Invited Review: The future of selection decisions and breeding programs: What are we breeding for, and who decides?.”

João Dürr, Ph.D. Ezequiel Nicolazzi

March 10, 2021

Genetic selection has been a very successful tool for the long-term improvement of livestock populations, and the rapid adoption of genomic selection over the last…


August 2020: Changes to Evaluation System

Paul VanRaden Ezequiel Nicolazzi

August 1, 2020

CDCB-changes-to-evaluation-system-August-2020-_-Council-on-Dairy-Cattle-BreedingDownload


December 2019: Changes to evaluation system

Ezequiel Nicolazzi Paul VanRaden George Wiggans

December 1, 2019

Updates to crossbred evaluationsBy Ezequiel Nicolazzi (CDCB), George Wiggans (CDCB), Leigh Walton (CDCB) and Paul VanRaden (USDA-ARS-AGIL) Two important updates will be implemented in the…


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