Table 2

Biochemical characteristics of rumen fluid used to analyze growth patterns of O157 strain 86–24 in Experiment II
Sample analysis Depleted rumen fluid Filtered rumen fluid Unfiltered rumen fluid
Sample A Sample B Sample A Sample B Sample A Sample B
pH1 7.6 7.4 7.7 7.2 6.4 6.7
Volatile Fatty Acids (μm/ml; VFA)
Total 203 205 144 153 210 165
Acetic acid 139 140 103 110 141 104
(68%)2 (68%) (72%) (72%) (67%) (63%)
Propionic acid 28 28 21 23 32 30
(14%) (14%) (13%) (15%) (15%) (18%)
Butyric acid 19 19 9 10 20 17
(9%) (9%) (6%) (7%) (10%) (10%)

1pH, post-depletion and/or post-filtration of the depleted and filtered rumen fluid samples, respectively.

2Percent individual volatile fatty acid of the total is shown in parenthesis.

Kudva et al.

Kudva et al. BMC Microbiology 2014 14:48   doi:10.1186/1471-2180-14-48

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