March 23, 2022
The Council on Dairy Cattle Breeding (CDCB) is implementing a project to provide dairy producers with state-of-the-art knowledge and technologies to enhance hoof health and promote productivity and sustainability of the dairy enterprise.
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.
August 1, 2019
December 1, 2017
Starting December 2017, the CDCB will publish the second Ayrshire haplotype affecting fertility. The publication of this important information for the Ayrshire breed is possible thanks to the research led by AGIL researches and the cooperation with CDN, who confirmed the preliminary results obtained in the US population.
April 1, 2017
Cow livability (LIV) was introduced as a new trait in August 2016 and is now included in lifetime net merit dollars (NM$). Cows that die are assumed to generate $1,200 less income than those sold for beef.
April 1, 2016
Genotypes from 2,376 Guernsey bulls and cows from collaboration between the United States, Canada, the United Kingdom, and the Isle of Guernsey are the basis for launching the U.S. genomic evaluation of Guernsey cattle.
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