Table 2. Least squares mean of in vitro ruminal parameters by the thickness of corn flakes using the pressurized steam chamber

Item	Treatments¹⁾			SEM
Item	T1	T2	T3	SEM
pH	5.88^b	5.90^b	5.96^a	0.04
Acetate (mmol/L)	46.15^a	44.15^b	44.23^ab	2.24
Propionate (mmol/L)	23.84^a	23.54^a	22.29^b	1.22
Butyrate (mmol/L)	14.31^NS	14.57^NS	14.27^NS	9.70
T-VFA (mmol/L)	84.30^a	82.25^ab	80.79^b	3.28

Treatments : T1 < 2.5 mm, T2 = 2.5–3.0 mm, and T3 > 3.0 mm.
Means without same superscripts within a row are significantly different (p < 0.05).
SEM, standard error of the mean; NS, not significant; T-VFA, total volatile fatty acids.