Table 7.
Influencing factors | Total bacterial count | Total fungal count | Staphylococci | Total coliforms | References |
---|---|---|---|---|---|
Mechanical agitation | 483.30 | 541.60 | 25.90 | 75.20 | (Brandi et al. 2000) |
Bubble diffused air system | 11.10 | 38.80 | 20.80 | - | |
Winter | 904 | 781 | - | - | (Niazi et al. 2015) |
Summer | 1882 | 1063 | - | - | |
spring | 1857 | 1553 | - | - | (Fathi et al. 2017) |
Summer | 889 | 1215 | - | - | |
Rainy season | 400–2800 | 840–4520 | - | - | (Park et al. 2017) |
Dry season |
100–200 | 240–380 | - | - |
Units: CFU/m3