Table 3.

P-value thresholds, number of significant pairwise additive × additive interactions and calculated false discovery rates (FDR) for milk yield (MY) and calving interval (CI) in discovery and validation populations

		Discovery			Validation
Trait	No. of tested pairwise interactions	P-value threshold	Holstein discovery (7055)	FDR (%)	P-value threshold	Jersey validation (3795)	FDR (%)	No. Same Dir.a
MY	255,255	10−7	3700	0	10−5	165	0	163
CI	9,180	10−4	5	18	0.01	0	NA	NA

^aNumber of same direction SNP effects in discovery and validation populations