Relationship of Sanitation Parameters with Microbial Diversity and Load in Raw Meat from the Outlets of the Metropolitan City Biratnagar, Nepal
Table 9
The chi-square test of different microbial isolates of chicken and mutton meat (in combination) against several sanitation parameters.
S. No.
Isolates
Outlets type
Slaughterhouse wash
Apron wash
Chop box wash
Showcase
Water supply area
Drainage
Meat sanitation
χ2
χ2
χ2
χ2
χ2
χ2
χ2
χ2
1
Pseudomonas
8.455
0.004
0.45
0.713b
1.26
0.262
0.013
0.911
11.22
0.001
14.532
≤0.001
0.409
0.523
18.061
.000
2
E. coli
8.901
0.003
0.140b
1.327
0.249
1.593
0.207
3.32
0.068
14.403
≤0.001
2.537
0.111
19.013
.000
3
Staphylococcus aureus
0.450
0.502
0.265b
0.403
0.526
0.013
0.911
8.410
0.004
2.402
0.121
1.201
0.273
6.054
.014
4
Staphylococcus epidermidis
0.0
1
1a
0.254
0.614
≤0.001
1
1.347
0.246
7.216
0.007
≤0.001
1
0.213
0.644
5
Salmonella
8.717
0.003
0.711b
4.129
0.042
3.727
0.054
3.589
0.058
10.269
0.001
13.075
.000
8.717
.003
6
Vibrio spp.
0.494b
0.009b
0.513b
0.362b
1b
0.178b
1b
1b
7
Mucor
4.501
0.034
1a
0.745
0.061
9.843
0.002
11.266
0.001
0.245
0.621
7.44
.006
8
Penicillium
9.038
0.003
0.676a
3.418
0.064
1a
2.119
0.145
0.015
0.901
0.199
0.655
0.672
0.412
9
Aspergillus
0.392
0.531
1a
0.745a
0.111a
2.282
0.131
0.004
0.949
0.11a
3.529
0.060
10
Sporotrichum
0.432b
0.536a
0.423b
0.622a
0.234b
0.129b
1b
0.012b
11
Alternaria
0.675b
1a
0.008b
1b
0.03b
1b
0.679b
0.675b
12
Candida spp.
0.241b
0.025
0.025b
1b
0.087b
0.073b
1b
0.241b
13
Trichosporon
0.949
0.330
0.075a
0.078a
1a
0.531a
0.189a
1a
0.949
0.33
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 .