Skip to main content
U.S. flag

An official website of the United States government

This site is currently in beta, and your feedback is helping shape its ongoing development.

Data from: Changes in genetic selection differentials and generation intervals in US Holstein dairy cattle as a result of genomic selection

Published by Agricultural Research Service | Department of Agriculture | Metadata Last Checked: January 27, 2026 | Last Modified: 2024-02-08
Aggregate means for six traits (milk, fat, and protein yields, somatic cell score, length of productive life, and daughter pregnancy rate) Resources in this dataset:Resource Title: Holstein Milk Yield. File Name: HO_M.csvResource Description: Aggregate means of Holstein predicted breeding values for milk yield and birth datesResource Title: Holstein Fat Yield. File Name: HO_f.csvResource Description: Aggregate means of Holstein predicted breeding values for fat yield and birth datesResource Title: Holstein Protein Yield. File Name: HO_p.csvResource Description: Aggregate means of Holstein predicted breeding values for protein yield and birth datesResource Title: Holstein Somatic Cell Score. File Name: HO_scs.csvResource Description: Aggregate means of Holstein predicted breeding values for somatic cell score and birth datesResource Title: Holstein Productive Life. File Name: HO_pl.csvResource Description: Aggregate means of Holstein predicted breeding values for productive life and birth datesResource Title: Holstein Daughter Pregnancy Rate. File Name: HO_DPR.csvResource Description: Aggregate means of Holstein predicted breeding values for daughter pregnancy rate and birth datesResource Title: Data Dictionary. File Name: data_dictionary.csvResource Description: Defines variables / sub-components with examples as used in column headers. Filenames: Holstein Productive Life: HO_pl.csv Holstein Daughter Pregnancy Rate: HO_DPR.csv Holstein Somatic Cell Score: HO_scs.csv Holstein Protein Yield: HO_p.csv Holstein Fat Yield: HO_f.csv Holstein Milk Yield: HO_M.csv

Complete Metadata

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov