Table 6.

Effect of dietary Achyranthes japonica Nakai (AJN) extract supplementation on meat quality and organ weight in 35-day-old broilers.

Items	AJN extract (%)				SEM	P-value
	0	0.025	0.05	0.1		Linear	Quadratic
pH value	7.67	7.69	7.63	7.69	0.05	0.996	0.632
Breast muscle color
Lightness (L∗)	34.88	34.99	34.91	34.89	0.65	0.986	0.923
Redness (a∗)	37.52	37.71	37.81	37.51	1.09	0.991	0.823
Yellowness (b∗)	15.33	15.32	15.37	15.24	0.67	0.943	0.927
Cooking loss	19.23	20.42	20.97	20.95	2.46	0.612	0.807
WHC, %	44.97	45.19	43.27	42.75	5.72	0.742	0.950
Drip loss, %
Day 1	4.76	4.75	4.67	4.62	0.10	0.311	0.881
Day 3	7.55	7.64	7.61	7.53	0.18	0.893	0.624
Day 5	10.83	10.79	10.81	10.67	0.20	0.591	0.810
Day 7	12.58	12.45	12.44	12.39	0.40	0.748	0.919
Relative organ weight, %
Breast muscle	17.12	17.68	17.99	18.12	0.25	0.010	0.405
Liver	3.08	3.15	2.74	2.84	0.24	0.337	0.997
Abdominal fat	1.23	0.94	1.28	1.23	0.24	0.756	0.625
Bursa of Fabricius	0.14	0.14	0.16	0.16	0.02	0.390	0.997
Spleen	0.16	0.14	0.11	0.15	0.03	0.604	0.293
Gizzard	1.81	1.68	1.71	1.80	0.09	0.991	0.224

Abbreviations: SEM, pooled standard error of the mean; WHC, water-holding capacity.