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

dataset
posted on 2024-02-08, 19:56 authored by Adriana Garcia-Ruiz, John B. Cole, Paul M. VanRaden, George R. Wiggans, Felipe J. Ruiz-López, Curtis Van TassellCurtis Van Tassell

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.csv

    Resource Description: Aggregate means of Holstein predicted breeding values for milk yield and birth dates


  • Resource Title: Holstein Fat Yield.

    File Name: HO_f.csv

    Resource Description: Aggregate means of Holstein predicted breeding values for fat yield and birth dates


  • Resource Title: Holstein Protein Yield.

    File Name: HO_p.csv

    Resource Description: Aggregate means of Holstein predicted breeding values for protein yield and birth dates


  • Resource Title: Holstein Somatic Cell Score.

    File Name: HO_scs.csv

    Resource Description: Aggregate means of Holstein predicted breeding values for somatic cell score and birth dates


  • Resource Title: Holstein Productive Life.

    File Name: HO_pl.csv

    Resource Description: Aggregate means of Holstein predicted breeding values for productive life and birth dates


  • Resource Title: Holstein Daughter Pregnancy Rate.

    File Name: HO_DPR.csv

    Resource Description: Aggregate means of Holstein predicted breeding values for daughter pregnancy rate and birth dates


  • Resource Title: Data Dictionary.

    File Name: data_dictionary.csv

    Resource 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

Funding

USDA-ARS

History

Data contact name

Van Tassell, Curtis P.

Data contact email

curt.vantassell@usda.gov

Publisher

Ag Data Commons

Temporal Extent Start Date

1975-01-01

Temporal Extent End Date

2015-12-31

Theme

  • Not specified

ISO Topic Category

  • biota

National Agricultural Library Thesaurus terms

dairy cattle; genetic traits; genomics; Holstein; longevity; marker-assisted selection; milk fat yield; milk protein yield; milk yield; multiple trait selection; pregnancy rate; selection methods; somatic cell count; United States

OMB Bureau Code

  • 005:18 - Agricultural Research Service

OMB Program Code

  • 005:040 - National Research

ARS National Program Number

  • 101

Pending citation

  • No

Public Access Level

  • Public

Preferred dataset citation

Garcia-Ruiz, Adriana; Cole, John B.; VanRaden, Paul M.; Wiggans, George R.; Ruiz-López, Felipe J.; Van Tassell, Curtis P. (2016). Data from: Changes in genetic selection differentials and generation intervals in US Holstein dairy cattle as a result of genomic selection. Ag Data Commons. https://doi.org/10.15482/USDA.ADC/1256513