Table 1.
Bacterial load of water samples, water disinfection and DWS disinfection
| Broiler Farm | Type of water (number of samples) | Water contamination (CFU/ml) | Water disinfection during production | DWS disinfection during vacancy | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| TAC | PSEUDO | Frequency | Disinfection product | Active compound | Applied concentration a | Frequency | Disinfection product | Active compound | Applied concentration | ||
| K1 | Well water | > 300 | > 300 | 2–3/week | DM CID (CID lines b) | NaClO +KOH | 0.00010% | 1/round | CID 2000 (CID lines) | H2O2 +Acetic acid + Peracetic acid | 0.050% |
| K2 | Well water | > 300 | 20 | / c | / | / | / | 1/year | MS Oxy-Clean 1.0 (MS Schippers d) | H2O2 | Unknown |
| K3 | Well water (2) | > 300 | 30 and > 300 | Continuously | Di-O-Clean (MS Schippers) | ClO2 | Week 1, 2, 3: 0.030% Week 4, 5, 6: 0.015% |
1/round | Huwa-San Veterinary Applications (Sanace) | H2O2 | 0.027% |
| K4 | Well water | 59 | 2 | Daily | Top Clean Aqua (Topturn f) | H2O2 | 0.20% | 1/round | CID Clean (CID lines) | H2O2 | 1.0% |
| K5 | Well water (2) | 6 and 102 | 3 and 33 | Week 1 and 2 | CID Clean (CID lines) | H2O2 | 0.010% | 1/round | CID Clean (CID lines) | H2O2 | 2.0% |
Bacterial load of water samples taken at five broiler farms is represented as total aerobic count (TAC) and Pseudomonas count (PSEUDO). a Applied concentration of the disinfection product (not of the active compound); b CID lines, Ieper, Belgium; c /, No water disinfection applied; d MS Schippers, Arendonk, Belgium; e Sanac, Wervik, Belgium; f Topturn, Bergeijk, The Netherlands