Conclusions
Our results expand on previous studies of genome-wide
LD in bovine populations. By using larger samples and a
much higher density of markers than before and by
exploring variation across autosomes and the X chromosome,
we obtained an exponential increase in pair-wise
LD comparisons, which allowed us to produce robust results.
Because LD dropped below 0.2 at marker distances
above 50 kb, we conclude that the availability of the HD
chip enables detection of association signals that remained
hidden when using lower density genotyping platforms.