Article
Identification of factors that cause genotype by environment interaction between herds of Holstein cattle in seventeen countries.
Journal of dairy science - 1 Mar 2003
Zwald N R, Weigel K A, Fikse W F, Rekaya R
Abstract excerpt
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...
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