Description of the lactation curve as a series of correlated traits expands the usefulness of lactation data fo r genetic evaluation and management purposes. A fixed effects model was.applied and unobserved records predicted from estimated parameters and functions of the observed records. Performance of the method is shown for first lactation Italian Simmental cows.

D. Trus, Luca G Buttazzoni

Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume XIII. Plenary lectures, molecular genetics and mapping, selection, prediction and estimation., , 492–495, 1990
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