How to Understand and Use Sire Summaries

How to Understand and Use Sire Summaries

F. David Kirkpatrick,

University of Tennessee

Sire summaries are produced and published twice a year by breed associations to provide up to date genetic evaluations on progeny of proven sires within their breeds. The sire summary formats may vary between breeds. However, they all are designed to use unbiased prediction procedures to produce expected progeny differences (EPDs) for all cattle in their breed that have legitimate performance records or progeny with legitimate performance records.

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