Relationship of Sanitation Parameters with Microbial Diversity and Load in Raw Meat from the Outlets of the Metropolitan City Biratnagar, Nepal
Table 8
The chi-square test of different microbial isolates of mutton against several sanitation parameters.
S. No.
Isolates
Outlets tiled/cemented
Slaughterhouse wash
Apron wash
Chop box wash
Showcase
Water supply area
Drainage
Meat sanitation
χ2
χ2
χ2
χ2
χ2
χ2
χ2
χ2
1
Pseudomonas spp.
3.6
0.058
1b
0.476
0.490
0.695b
3.636
0.057
8.286
0.004
0.417
0.519
10.0
0.002
2
E. coli
1.667
0.197
0.638b
0.729
0.439b
0.606
0.436
3.342
0.068
0.851
0.356
10.417
0.001
3
Staphylococcus aureus
0.404
0.525
0.613b
3.252
0.071
1b
1.473
0.339
2.283
0.131
0.017
0.897
3.636
0.057
4
Staphylococcus epidermidis
1.758
0.185
0.602b
0.484a
0.689a
0.218
0.641
1.710
0.191
0.073
0.787
0.44
0.507
5
Salmonella spp.
1.667
0.197
0.283b
0.005a
0.229b
1.364
0.243
11.526
0.001
13.611
≤0.001
10.417
0.001
6
Vibrio spp.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
7
Mucor
1b
1c
0.298b
0.563b
0.013b
0.009b
0.373b
0.047b
8
Penicillium spp.
0.407b
0.552b
0.652b
1a
0.427b
1b
0.210b
0.407b
9
Aspergillus spp.
2.133
0.144
1b
0.693
0.165a
0.464a
0.471a
0.003a
2.133
0.144
10
Sporotrichum spp.
1b
0.355c
0.297b
0.172b
1b
1b
1b
0.106b
11
Alternaria spp.
1b
1c
0.073b
1b
0.114b
1b
0.283b
1b
12
Candida spp.
0.231b
0.022c
0.022b
1b
0.083b
0.069b
1b
0.231b
13
Trichosporon spp.
0.605b
1c
0.073b
1b
0.310b
0.294b
1b
0.106b
χ2 value denotes the Pearson chi-square value with degree of freedom .a25%, b50%, and c75% of cells have expected count less than 5, respectively. ∗Tested by Fisher’s exact test with the level of significance at .