Genetic and phenotypic studies on culling in Quebec Holstein cows

A series of studies were conducted to evaluate genetic and phenotypic aspects of culling, herd life and survival in Quebec Holstein herds. Data consisted of lactation records obtained from the Programme d'Analyse des Troupeaux Laitiers du Quebec (PATLQ) files, which included 2.2 Million records...

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Bibliographic Details
Main Author: Dürr, João Walter.
Other Authors: Monardes, Humberto G. (advisor)
Format: Others
Language:en
Published: McGill University 1997
Subjects:
Online Access:http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=34635