Table 3

Outflows of fermentation metabolites (mmoles/day) in dual-effluent fermenters.

Treatments SEM P

CTL RO SO LO (N = 3) Oil
Acetate 59.3a 74.5b 70.4ab 73.2ab 2.86 0.033
Propionate 31.9a 46.9b 50.1b 46.7b 2.26 0.0049
Butyrate 19.1a 8.6b 8.5b 5.2b 0.98 0.0003
Valerate 2.9 4.5 5.3 5.3 0.52 0.051
CH4 28.5a 24.0a 20.6ab 15.5b 1.65 0.0074
H2 1.6a 4.7a 4.4a 9.0b 0.77 0.0032
H2S 9.6a 20.3a 21.7a 44.7b 4.38 0.0069
ATP 245.4a 277.5b 277.0b 266.0b 3.49 0.0019

CTL: control; RO: rapeseed oil; SO: sunflower oil; LO: linseed oil, each supplied at 80 g/kg dry mater input; SEM: standard error of means. Different letters mean statistically different values (Tukey test, P < 0.05).

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