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

<p>Aggregate means for six traits (milk, fat, and protein yields, somatic cell score, length of productive life, and daughter pregnancy rate) </p><div><br>Resources in this dataset:</div><br><ul><li><p>Resource Title: Holstein Milk Yield.</p> <p>File Name: HO_M.csv</p><p>Resource Description: Aggregate means of Holstein predicted breeding values for milk yield and birth dates</p></li><br><li><p>Resource Title: Holstein Fat Yield.</p> <p>File Name: HO_f.csv</p><p>Resource Description: Aggregate means of Holstein predicted breeding values for fat yield and birth dates</p></li><br><li><p>Resource Title: Holstein Protein Yield.</p> <p>File Name: HO_p.csv</p><p>Resource Description: Aggregate means of Holstein predicted breeding values for protein yield and birth dates</p></li><br><li><p>Resource Title: Holstein Somatic Cell Score.</p> <p>File Name: HO_scs.csv</p><p>Resource Description: Aggregate means of Holstein predicted breeding values for somatic cell score and birth dates</p></li><br><li><p>Resource Title: Holstein Productive Life.</p> <p>File Name: HO_pl.csv</p><p>Resource Description: Aggregate means of Holstein predicted breeding values for productive life and birth dates</p></li><br><li><p>Resource Title: Holstein Daughter Pregnancy Rate.</p> <p>File Name: HO_DPR.csv</p><p>Resource Description: Aggregate means of Holstein predicted breeding values for daughter pregnancy rate and birth dates</p></li><br><li><p>Resource Title: Data Dictionary.</p> <p>File Name: data_dictionary.csv</p><p>Resource Description: Defines variables / sub-components with examples as used in column headers. Filenames: </p> <ul> <li>Holstein Productive Life: HO_pl.csv</li> <li>Holstein Daughter Pregnancy Rate: HO_DPR.csv</li> <li>Holstein Somatic Cell Score: HO_scs.csv</li> <li>Holstein Protein Yield: HO_p.csv</li> <li>Holstein Fat Yield: HO_f.csv</li> <li>Holstein Milk Yield: HO_M.csv</li></ul><p></p></li> </ul>