Table 4.

Estimates of correlations and SE between weaning (WFEC) and postweaning (PWWEC) fecal egg counts (FEC) and between FEC and birth (BWT) weaning (WWT), and postweaning (PWWT) BW for Katahdin lambs^a

Trait 1	Trait 2	r d	r l	r e	r a,m	r p
WFEC	PWFEC	0.82 ± 0.13	0.25 ± 0.21	0.15 ± 0.04	n.e.b	0.29 ± 0.02
WFEC	BWT	0.10 ± 0.18	−0.23 ± 0.13	0.06 ± 0.05	−0.04 ± 0.17	0.01 ± 0.02
WFEC	WWT	−0.29 ± 0.19	0.05 ± 0.15	−0.06 ± 0.05	0.05 ± 0.19	−0.07 ± 0.03
WFEC	PWWT	−0.38 ± 0.21	0.09 ± 0.16	−0.10 ± 0.05	0.21 ± 0.20	−0.1 ± 0.03
PWFEC	BWT	0.25 ± 0.14	−0.002 ± 0.14	0.04 ± 0.04	−0.01 ± 0.13	0.07 ± 0.02
PWFEC	WWT	0.10 ± 0.16	−0.27 ± 0.15	0.01 ± 0.04	0.1 ± 0.15	−0.01 ± 0.02
PWFEC	PWWT	0.01 ± 0.17	−0.34 ± 0.15	−0.03 ± 0.04	0.29 ± 0.15	−0.02 ± 0.02

^a r _d = additive genetic correlation; r_l = correlation between litter effects; r_e = residual correlation; r_a,m = correlation between additive effects on FEC and maternal additive effects on BW; r_p = phenotypic correlation.

^bn.e. = not estimated.