Identification of factors that cause genotype by environment interaction between herds of Holstein cattle in seventeen countries From: Journal of Dairy Science | Date: March 1, 2003| Author: | Copyright American Dairy Science Association Mar 2003. Provided by ProQuest LLC.Copyright information

ABSTRACT

Currently, the International Bull Evaluation Service calculates international dairy sire evaluations using the multiple-trait across country evaluation procedure. This method depends implicitly on political boundaries between countries, because the input data are national evaluations from each participating country. Therefore, different countries are treated as different production environments. The goal of this study was to identify factors that describe the production system on each farm. Such factors could be used to group herds across countries for borderless genetic ...

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