Table 4.

Relative mRNA expression of the CEBP/β, MyoD, MyoG, Pax7, PPARγ, ER-α, AR, and PR gene in the breast muscle of chicken meat birds exposed to a CON or CORT solution at embryonic d 11.

		Treatment
Gene	Sex	CON	CORT
PR	Male	1.26 ± 0.17	1.03 ± 0.18
	Female	1.07 ± 0.16	1.20 ± 0.27
AR	Male	1.15 ± 0.10	1.13 ± 0.13
	Female	1.07 ± 0.15	1.54 ± 0.23
ER-α	Male	1.14 ± 0.14	1.06 ± 0.12
	Female	1.17 ± 0.25	1.50 ± 0.19
MyoD	Male	1.02 ± 0.05	0.96 ± 0.07
	Female	1.03 ± 0.09	1.12 ± 0.07
MyoG	Male	1.07 ± 0.11	1.17 ± 0.12
	Female	1.04 ± 0.10	1.15 ± 0.15
Pax-7	Male	1.07 ± 0.04	1.02 ± 0.04
	Female	1.02 ± 0.08	1.15 ± 0.07
PPARγ	Male	0.82 ± 0.08	0.96 ± 0.18
	Female	1.06 ± 0.14	0.79 ± 0.04
CEBP/β	Male	1.25 ± 0.11a	1.40 ± 0.18b
	Female	1.11 ± 0.19a	1.76 ± 0.24b

Samples consist of pooled left and right breast muscle, which were obtained from birds at hatch (n = 32). Values are normalized average relative mRNA expression ± SEM.

^a,bMeans with different superscripts are significantly different between treatments groups (CON/CORT).