USDA Animal Genomics and Improvement Laboratory

Brown Swiss Fertility Haplotype BH14

USDA Animal Genomics and Improvement Laboratory

March 7, 2023

By Paul VanRaden, Dan Null and Norm Magnussen Switzerland in 2022 began reporting a new lethal haplotype in Brown Swiss (BH14) that causes early pregnancy…


Getting Milk Yield Right

Asha Miles

June 14, 2022


Lifetime Net Merit revised in August for balanced selection, profitable dairy cows

João Dürr, Ph.D. Kristen Parker Gaddis Paul VanRaden Tom Lawlor Rob Tempelman

July 2, 2021

Lifetime Net Merit (NM$) has driven genetic progress since 1994 by promoting a balanced selection of all available, economically-important traits to maximize profitability of dairy…