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Requirements for calculation of a sire summary



Requirements for calculation of a sire summary



Dairy Herd Improvement Letter 56(6): 4-6



Details are given of the conditions to be met for a daughter's record to be usable, the restrictions on the age of sire, and the need for the sire's daughters to have a large enough number of contemporaries sired by bulls with progeny in several herds.

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Accession: 000969010

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