Table-2.

Breast muscle texture of male Pelung chickens aged 40–56 weeks after 56 days of supplementation (Average ± standard deviation).

Group	Tenderness (kg/cm2)	Hardness (N)	Springiness index	Chewiness (N)	Fracture (N)
G0	4.06 ± 0.93a	134.43 ± 12.10b	0.667 ± 0.01a	29.08 ± 13.39b	2.08 ± 0.09a
G1	3.82 ± 1.49a	139.77 ± 28.72b	0.685 ± 0.03a	31.13 ± 6.26b	2.01 ± 0.13a
G2	4.17 ± 0.10a	190.70 ± 32.42a	0.687 ± 0.03a	93.50 ± 20.98a	2.04 ± 0.14a
p-value	0.884	0.025	0.612	<0.001	0.731

^a–cMeans with different superscripts within the same column are significantly different (p < 0.05). G0=Control, G1=ZnSO₄ 0.9 mg/kg body weight, G2=Synthetic testosterone 3 mg/day. SD=Standard deviation