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CDCB In The News

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

Horn Fly Resistance Observed in Organic Holstein Cattle, Study Finds

Penn State University

November 16, 2021

UNIVERSITY PARK, Pa. — Some Holstein dairy cattle, particularly those with white coat coloration, naturally fend off the horn fly, a parasitic insect known to cause stress and disease in grazing cattle, according to new research conducted in Penn State’s College of Agricultural Sciences.

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What’s Up at Holstein USA: Greater Efficiency, Greater Returns

Holstein USA

January 21, 2021

The Council on Dairy Cattle Breeding – home to the largest dairy database (both phenotypes and genotypes) in the world – recently announced the addition of feed efficiency traits to its genetic evaluation.

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Heifer Livability Genetic Evaluations Coming in December

Jim Dickrell for Dairy Herd Management

October 8, 2020

The Council on Dairy Cattle Breeding has announced that a heifer livability (HL) genetic evaluation will be released for Holstein and Jersey sires with the December sire evaluations. The trait will be included in the Net Merit index when it is updated next year. Heifer livability will get 1% emphasis in the new Net Merit index.

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