Table 4.

Estimates of haplotype effects of the QTL for body weight

Haplotype	βa	P-valueb
AATC	0.166	0.86752
AGTT	−0.095	0.27794
AGGT	0.049	0.00155
GATT	−0.164	0.01857
GATC	−0.158	0.00288
GAGT	−0.330	0.23310
GGGT	0.451	0.19978

The P-value of the haplotype effect in a linear mixed model including a mean, a random sire effect and multiple regressions on the haplotypes was equal to 0.0008

^aEstimates of regression coefficients (β) in phenotypic standard deviation (STD) units of the trait based on phenotypes

^b P-values for the test of β ≠ 0