Table 5.

Effect of dietary Achyranthes japonica Nakai (AJN) extract supplementation on excreta gas emission in 35-day-old broilers.

Items, ppm	AJN extract (%)				SEM	P-value
	0	0.025	0.05	0.1		Linear	Quadratic
NH3	13.58	13.18	12.80	12.23	0.38	0.023	0.822
H2S	2.93	2.53	2.55	2.90	0.47	0.981	0.441
R.SH	2.00	1.75	2.00	2.00	0.75	0.942	0.870

Abbreviations: H₂S, hydrogen sulfide; NH₃, ammonia; R.SH, total mercaptan; SEM, pooled standard error of the mean.