Research Article
Seasonal Microbial Conditions of Locally Made Yoghurt (Shalom) Marketed in Some Regions of Cameroon
Table 4
The distribution of Enterobacteriaceae as a function of sample group and season.
| | Yoghurt samples/season | Frequency of occurrence | % of occurrence | Frequency of occurrence | % of occurrence | | Gram negative bacteria isolated from yoghurt | Bamenda | Dschang | Bafoussam | Commercial | | (I) | (II) | (I) | (II) | (I) | (II) | (I) | (II) | (I) | (I) | (II) | (II) |
| | Pantoea sp. 1 | | | | | | | | | 3 | 75 | 3 | 75 | | Pantoea sp. 3 | | | | | | | | | 0 | 00 | 1 | 25 | | Pantoea sp. 4 | | | | | | | | | 1 | 25 | 1 | 25 | | Raoultella ornithinolytica | | | | | | | | | 1 | 25 | 0 | 00 | | Shigella sp. | | | | | | | | | 3 | 75 | 1 | 25 | | Serratia plymuthica | | | | | | | | | 2 | 50 | 2 | 50 | | Burkholderia cepacia | | | | | | | | | 2 | 50 | 1 | 25 | | Providencia stuartii | | | | | | | | | 1 | 25 | 2 | 50 | | Providencia rettgeri | | | | | | | | | 1 | 25 | 1 | 25 | | Providencia alcalifaciens/rustigianii | | | | | | | | | 1 | 25 | 0 | 00 | | Pseudomonas oryzihabitans | | | | | | | | | 2 | 50 | 0 | 00 | | Moellerella wisconsensis | | | | | | | | | 1 | 25 | 1 | 25 | | Klebsiella pneumonia ssp. pneumonia | | | | | | | | | 3 | 75 | 2 | 50 | | Klebsiella oxytoca | | | | | | | | | 0 | 00 | 1 | 25 | | Pasteurella pneumotropica/Mannheimia haemolytica | | | | | | | | | 1 | 25 | 0 | 00 | | Ochrobactrum anthropi | | | | | | | | | 1 | 25 | 0 | 00 | | Enterobacter aerogenes | | | | | | | | | 2 | 50 | 0 | 00 | | Enterobacter cloacae | | | | | | | | | 1 | 25 | 1 | 25 | | Citrobacter freundii | | | | | | | | | 0 | 00 | 1 | 25 | | Escherichia coli 1 | | | | | | | | | 0 | 00 | 1 | 25 | | Proteus penneri | | | | | | | | | 0 | 00 | 1 | 25 |
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1The letters I and II refer to batches of the dry and rainy seasons, respectively; + = positive, − = negative.
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