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

Description

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

Resources

Name Format Description Link
HO_M.csv CSV Open resource
HO_f.csv CSV Open resource
HO_p.csv CSV Open resource
HO_scs.csv CSV Open resource
HO_pl.csv CSV Open resource
HO_DPR.csv CSV Open resource
data_dictionary.csv CSV Open resource

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