Table 4.

Effect of dietary TA supplementation on the physical parameters of breast muscle in broilers.

Item	Dietary TA concentration, mg/kg					SEM	P-value
	0	200	400	600	800
pH, 45 min	6.34ab	6.23b	6.29ab	6.38a	6.34ab	0.016	0.056
pH, 24 h	5.93	5.88	5.86	5.82	5.80	0.015	0.108
Color indices, 24 h
Lightness, L*	51.00	52.00	51.53	49.40	50.98	0.430	0.403
Redness, a*	4.68	4.28	4.02	5.23	4.75	0.196	0.360
Yellowness, b*	10.46	10.10	10.36	9.82	10.13	0.207	0.883

^a,bMeans in the same row with different letters differ significantly (P < 0.05). Data are means for 8 birds per treatment.