| Enterobacteriaceae strains identified | Number of contaminated samples | Percentage |
| Cedecea davisae | 29 | 12.3% |
| Raoultella ornithinolytica | 68 | 28.9% |
| Salmonella enterica ssp arizonae | 15 | 6.4% |
| Proteus mirabilis | 17 | 7.2% |
| Serratia odorifera | 41 | 17.4% |
| Salmonella spp | 10 | 4.3% |
| Enterobacter cloacae | 6 | 2.6% |
| Proteus vulgaris group | 18 | 7.7% |
| Citrobacter braakii | 7 | 3.0% |
| Serratia marcescens | 13 | 5.5% |
| Serratia liquefaciens | 8 | 3.4% |
| Klebsiella pneumoniae ssp pneumoniae | 6 | 2.6% |
| Serratia ficaria | 6 | 2.6% |
| Enterobacter gergoviae | 9 | 3.8% |
| Enterobacter aerogenes | 9 | 3.8% |
| Escherichia coli | 53 | 22.6% |
| Kluyvera spp | 6 | 2.6% |
| Cronobacter sakazakii | 11 | 4.7% |
| Acinetobacter baumannii | 6 | 2.6% |
| Acinetobacter calcoaceticus | 6 | 2.6% |
| None | 40 | 17.0% |