EBVs move, but by how much?

December 2, 2020 11:54 am

As more data comes into the EBVs calculation, the EBVs move to reflect the influence of the new data. This new data can come from a range of sources, one of which is the performance of the progeny. A project undertaken by Angus Australia once again looked at the influence of this information on the calculation of EBVs for bulls entered into the ASBP. The recent work examined bulls in cohorts 5,6 and 7 and builds on existing work which examined cohorts 1,2 and 3.  

The project has shown clearly that while the EBVs for some individual sires did change, as expected, there was, on average, minimal change in the EBVs of sires in cohorts 5, 6 & 7 of the ASBP, and the initial EBVs of the sires, despite being of low accuracy, described the relative genetic merit of the sires well.   

Check out the Lessons from the ASBP resources, available on the Angus Australia website for further information on the influence of progeny performance information on the EBVs calculation and the results from the earlier work examining cohorts 1, 2 and 3. 

CLICK HERE TO ACCESS THE Starting v's Finishing EBVs Resources

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CLICK HERE TO ACCESS EBVS RELIABLY PREDICT PROGENY PERFORMANCE

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