Table 1.

Means and variances of all analyzed traits, split between young and old genetic mothers

Trait	Genetic mother	Mean	Variance	CV
Tarsus length (mm)	Young	16.17	0.42	0.12
	Old	16.16	0.43	0.12
Body weight (g)	Young	10.59	1.01	0.12
	Old	10.62	1.05	0.12
PHA response (mm)	Young	0.82	0.10	0.40
	Old	0.74	0.04	0.26