Table 8.
Summary of total coliform and faecal coliform values for each of the food (porridge, relish, nsima) and surface samples taken.
| Description | Total Coliforms (CFU) * | Faecal Coliforms (CFU) ** | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of positive Counts | Min | Max | Mean | Median | No. of Positive Counts | Min | Max | Mean | Median | ||
| Breakfast | Mothers’ hands | 4 | 0 | 37,800,000 | 1,902,600 | 0 | 2 | 0 | 36,000,000 | 18,12000 | 0 |
| breakfast porridge after cooking | 5 | 0 | 80,000 | 10,000 | 0 | 1 | 0 | 40,000 | 2000 | 0 | |
| breakfast porridge after serving | 2 | 0 | 30,000 | 2000 | 0 | 0 | 0 | 0 | 0 | 0 | |
| spoon swab before feeding | 2 | 0 | 200,000 | 12,778 | 0 | 0 | 0 | 0 | 0 | 0 | |
| plate swab before porridge | 3 | 0 | 1,820,000 | 115,625 | 0 | 0 | 0 | 0 | 0 | 0 | |
| breakfast relish after storage (leftover) | 10 | 0 | 76,720,000 | 4,663,000 | 5000 | 1 | 0 | 2,900,000 | 145,000 | 0 | |
| breakfast relish after reheating | 1 | 0 | 10,000 | 500 | 0 | 1 | 0 | 10,000 | 500 | 0 | |
| nsima after storage (leftover) | 12 | 0 | 10,830,000 | 732,600 | 76000 | 4 | 0 | 60,000 | 6000 | 0 | |
| breakfast nsima after heating | 2 | 0 | 50,000 | 3500 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Lunch | lunch relish after cooking | 1 | 0 | 10,000 | 500 | 0 | 0 | 0 | 0 | 0 | 0 |
| lunch relish after serving | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Plate swab before lunch | 2 | 0 | 50,000 | 3000 | 0 | 0 | 0 | 0 | 0 | 0 | |
| nsima after serving | 3 | 0 | 140,000 | 13,000 | 0 | 2 | 0 | 140,000 | 10,000 | 0 | |
| Supper | plate swab before supper nsima | 2 | 0 | 210,0000 | 114,737 | 0 | 0 | 0 | 0 | 0 | 0 |
| plate swab before supper relish | 3 | 0 | 432,20000 | 2,168,500 | 0 | 0 | 0 | 0 | 0 | 0 | |
| supper relish after storage | 2 | 0 | 484,0000 | 260,000 | 0 | 0 | 0 | 0 | 0 | 0 | |
| supper relish after reheating | 4 | 0 | 948,0000 | 678,000 | 0 | 0 | 0 | 0 | 0 | 0 | |
| supper relish after serving | 2 | 0 | 220,0000 | 111,500 | 0 | 0 | 0 | 0 | 0 | 0 | |
* Total coliforms included unidentified coliforms, E. coli, Staphylococcus aureus, Staphylococcus. Sp., Klebsiella pneumoniae, E. coli O157, * Enterobacter aerogenes, Enterobacter cloacae, Enterobacter sakazaki, Pseudomonas flourescence, and Seratia liquefaciens. ** Faecal coliforms included only E. coli, E. coli 0157, Enterobacter aerogenes, Enterobacter cloacae, and Enterobacter sakazaki.