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Article

Examination of more frequent genetic evaluations for dairy bulls.

Journal of dairy science - 1 Dec 1999

Powell R L, Norman H D

Abstract excerpt

Genetic evaluations of Holstein bulls for February 1997 through May 1998 were examined to determine the value of more frequent evaluation for quicker identification of bulls with changing predicted transmitting abilities (PTA) and of new bulls of superior genetic merit. Changes in PTA between evaluations that were calculated quarterly rather than semiannually were reduced by 30%. About two-thirds of PTA were...

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PMID: 10629824
DOI: 10.3168/jds.S0022-0302(99)75533-5

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