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

Items	SCP	LCP	TRT11)	TRT2	SEM	SCP vs LCP	SCP vs TRT1	SCP vs TRT2	LCP vs TRT2
Day 35
NH3	16.75	13.50	12.00	9.00	1.14	0.1124	0.0589	0.0614	0.4845
H2S	1.08	1.23	0.95	0.90	0.41	0.8713	0.8396	0.7771	0.6572
Methyl mercaptans	6.50	7.00	5.25	5.25	1.94	0.4902	0.6643	0.6643	0.2699
CO2	1450	1450	1425	1375	280	0.5878	0.9456	0.8381	0.4586
Acetic acid	2.75	3.25	2.75	2.50	0.77	0.6690	1.0000	0.8303	0.5234

TRT1, SCP + 0.025% AJE; TRT2, LCP + 0.050% AJE.
AJE, Achyranthes japonica extract; SCP, standard crude protein; LCP, low crude protein.