Table 2.

Offspring growth.

Variable				Overall P-value
	HW	BW	ADG	HW	BW	ADG
	Hatch weight (g)	Weight 91 days (g)	Avg daily gain (g)
Experiment 1
Maternal age				< 0.0001	0.0094	0.0032
Young	38.4 ± 0.09c	1283.4 ± 25.4a	13.7 ± 0.28a
Ideal	39.9 ± 0.13b	1275.6 ± 24.5ab	13.6 ± 0.27ab
Old	41.2 ± 0.18a	1257.9 ± 24.7b	13.4 ± 0.28b
Maternal treatment				0.0076	0.3970	0.4429
Trt 1 (AV × AV)	40.0 ± 0.26a	1284.5 ± 32.5	13.7 ± 0.36
Trt 2 (CC × CC)	39.2 ± 0.21b	1260.0 ± 32.6	13.4 ± 0.36
Trt 3 (AV × CC)	40.1 ± 0.26a	1274.4 ± 30.6	13.6 ± 0.36
Trt 4 (CC × FC)	39.8 ± 0.22a	1272.8 ± 32.3	13.5 ± 0.35
Trt 5 (AV × FC)	40.1 ± 0.27a	1269.6 ± 33.2	13.5 ± 0.36
Sex				0.0046	< 0.0001	< 0.0001
Cockerel	40.1 ± 0.16a	1486.9 ± 5.3a	15.9 ± 0.06a
Pullet	39.6 ± 0.15b	1057.7 ± 4.6b	11.2 ± 0.05b
Maternal age × sex				0.8545	0.4878	0.4681
Materal age × Trt				0.0791	0.6628	0.6732
Trt × Sex				0.8059	0.4808	0.4833
Experiment 2
Maternal age				0.3103	0.0068	0.0057
Young	38.6 ± 0.39	440.2 ± 11.7c	9.8 ± 0.28b
Ideal	40.4 ± 0.55	466.3 ± 14.6a	10.4 ± 0.36a
Old	39.8 ± 0.58	456.3 ± 14.3b	10.2 ± 0.35ab
Sex				0.6045	< 0.0001	< 0.0001
Cockerel	39.7 ± 0.44	483.9 ± 5.5a	10.8 ± 0.13a
Pullet	39.5 ± 0.52	424.6 ± 3.1b	9.4 ± 0.07b
Maternal Age × Sex				0.2020	0.1211	0.1120

Means ± SEM for hatch weight, body weight, and average daily gain for progeny from Experiments 1 and 2.

^abcValues within a column for Maternal Age and Maternal Rearing × Adult Housing treatments with different superscripts differ P < 0.05.