Table 5. The effect of dietary AJE supplementation on noxious gas emissions in broilers

Items (ppm)	CON	0.02% AJE	0.04% AJE	0.06% AJE	SEM	p-value
						Linear	Quadratic
Day 35
Ammonia	14.50	16.25	17.00	14.25	1.187	0.988	0.398
Hydrogen sulfide	6.75	8.00	7.75	5.75	0.667	0.613	0.268
Methyl mercaptans	8.00	6.25	8.00	7.00	0.656	0.845	0.794

CON, basal diet; AJE, Achyranthes japonica extract.