New dairy science findings from University of Copenhagen published.(Report)

"The possibility of profitable cooperation between dairy cattle populations depends on several factors. Among these factors is the similarity of breeding goals, for example, as measured by the correlations between selection indices," investigators in Taastrup, Denmark report.

"Correlations between selection indices less than unity can usually be explained by differences in economic values, trait definitions, national genetic evaluation procedures, and genotype x environment interactions. The objective of this study was to test whether uniform definitions of the female fertility traits would increase the exchange of genes across populations, and to quantify the effect …