Effects of type traits on herd life in Holstein cows

The effect of composite and descriptive linear type traits on Functional Herd Life in Holstein cows was studied by means of Survival Analysis (Ducrocq and Solkner, 1998a). The original data set contained 331,105 lifetime records from the Programme d'Analyse des Troupeaux Laitiers du Quebec, fro...

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Bibliographic Details
Main Author: Schneider, María del Pilar.
Other Authors: Monardes, Humberto (advisor)
Format: Others
Language:en
Published: McGill University 1998
Subjects:
Online Access:http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=21635