Table IV.

Effects of Amano protease and orientase on the cecal organic acids in rats fed an HF diet^a.

Variables	Control	Amano protease	Orientase
Cecal digesta, g	2.21±0.10b	7.02±0.29d	4.10±0.33c
pH of cecal digesta	7.16±0.10b	5.32±0.12c	5.46±0.11c
Organic acids, µmol/g wet cecal digesta
n-Butyrate	18.6±1.8b	78.9±7.9c	58.9±7.2c
Propionate	10.9±0.9b	35.5±4.2c	28.7±3.6c
Lactate	4.7±0.6b	38.7±3.5c	31.9±6.2c
Acetate	31.2±3.8b	19.4±1.7c	24.2±3.9b,c
Succinate	18.3±3.5b	13.6±2.6b,c	7.9±1.5c
Total organic acids	84±7b	186±12d	152±14c
Ammonia, µmol/g wet cecal digesta	3.84±0.28	3.38±0.21	4.25±0.36

^aMean ± standard error (n=9).

^b-dSignificantly different by Tukey's multiple-range test (P<0.05). HF, high-fat.