Additional file 3.

FigureS3. Quantile-quantile (Q-Q) plots of P-values of SNPs from EMMAX for the nine analyzed traits The blue dots represent the association P-values. The dark line denotes the expected pattern under the null hypothesis, whereas the red line is the observed pattern. Deviations between the two lines indicate how the test statistics of loci deviate from the null hypothesis. MY: milk yield, FY: fat yield, PY: protein yield, CRC: lactating cow’s ability to recycle after calving, ANG: angularity, BDE: body depth, STA: stature, SCS: milk somatic cell count, MSP: milking speed.

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Guo et al. BMC Genetics 2012 13:82   doi:10.1186/1471-2156-13-82