Table 1.

Nested analysis of variance for sermathecal size and shape in O. taurus

Trait	Source	SS	df	MS	F value	P value
Centroid size	Sire	0.0197	11	0.0018	3.91	0.002
	Dam (Sire)	0.0108	24	0.0005	0.71	0.838
	Residual	0.0804	126	0.0006
RW1	Sire	0.0927	11	0.0084	1.74	0.120
	Dam (Sire)	0.1173	24	0.0049	1.17	0.280
	Residual	0.0042	126	0.0042

SS, sums of squares; MS, mean squares.