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Table 1 Biochemical characteristics of rumen fluid used to analyze growth patterns of O157 strain 86–24 in Experiment I

From: The Escherichia coli O157:H7 bovine rumen fluid proteome reflects adaptive bacterial responses

Sample analysis Depleted rumen fluid Filtered rumen fluid
  Sample A Sample B Sample A Sample B
pH1 7.9 7.6 7.6 7.7
Volatile Fatty Acids (μm/ml; VFA)
Total VFA 324 207 211 157
Acetic acid 201 142 144 112
(62%)2 (69%) (68%) (71%)
Propionic acid 41 28 31 23
(13%) (14%) (15%) (15%)
Butyric acid 43 20 16 10
  (13%) (10%) (8%) (6%)
  1. 1pH, post-depletion and/or post-filtration of the depleted and filtered rumen fluid samples, respectively.
  2. 2Percent individual volatile fatty acid of the total is shown in parenthesis.