Research Article

Contamination Levels and Identification of Bacteria in Milk Sampled from Three Regions of Tanzania: Evidence from Literature and Laboratory Analyses

Table 3

Bacteria detected in milk samples in the present study.

RegionNECSSKSPSPALMLINLIVSABA

Morogoro103 6 3 (3.5)NDND3 (3.5)47 20 13 9 11
Coast80 NDNDNDNDND21 8 2 ND14
Tanga144 12 ND12 (11.8)9 (8.9)NDND13 3 2 32

Total327 18 (7.6)3 (1.3)12 (5.0)9 (3.8)3 (1.3)68 (28.6)41 (17.2)18 (7.6)11 (4.6)57 (23.9)

: sample size; EC: E. coli; SS: Salmonella spp.; KS: Klebsiella spp.; PS: Proteus spp.; PA: P. aeruginosa; LM: L. monocytogenes; LIN: L. innocua; LIV: L. ivanovii; SA: S. aureus; BA: B. abortus; : number of positive samples in a region; (): percentage of samples detected with named bacteria in positive samples; ND: not detected. Different superscripts within a column indicate statistical significance of values among regions ().