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

Aggregate means for six traits (milk, fat, and protein yields, somatic cell score, length of productive life, and daughter pregnancy rate)

• 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