Table 6. Effect of dietary supplementation of MYC on excreta microbial count, vent score, and excreta gas emission in broilers.

Items	CON	TRT1	TRT2	SE	P
					Linear	Quadratic
Lactobacillus, log10 cfu/g	7.10b	7.33ab	7.41a	0.07	0.033	0.468
E. coli, log10 cfu/g	6.62	6.42	6.35	0.06	0.064	0.513
Vent score1	1.40	1.29	1.32	0.05	0.306	0.277
NH3, mg/kg	28.6	27.9	25.9	1.2	0.101	0.640
H2S, mg/kg	2.4	2.3	2.2	0.2	0.655	0.907
R.SH, mg/kg	1.3	1.3	1.1	0.1	0.548	0.713

Abbreviations: CON, basal diet; TRT1, CON + 0.1% MYC; NH₃, ammonia; H₂S, hydrogen sulfide; R.SH, total mercaptans; SE, standard error

¹Vent score was assessed byfour different personnel members and was scored from 1＝very clean to 5＝very dirty.

Means in the same row with different superscripts differ (P<0.05).