Article
Genetic relationships between lifetime profit and type traits in Spanish Holstein cows.
Journal of dairy science - 1 Dec 2002
Pérez-Cabal M A, Alenda R
Abstract excerpt
Genetic parameters and relationships were estimated for profit and type traits for Spanish Holstein cows. In this study, 46,316 cows with official production and type data from Navarra and Basque autonomous regions of Spain were used to calculate profit per cow and year of productive life. Data from 239 Basque Autonomous Region herds in year 1995 were considered to obtain average prices system for yield, meat,...
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