Table 2.
The microbiological quality of hen meat stored at temperatures of 2° and 6 °C (log cfu/g) (means ± standard deviation and range).
| Parameter | 0 Day | Storage Temp. (°C) | Refrigerated Storage Time (Days) | ||||
|---|---|---|---|---|---|---|---|
| 2 | 4 | 6 | 8 | p-Value | |||
| Total microorganism count | 3.48 a ± 0.39 | 2 | 3.50 a ± 0.05 | 3.72 a ± 0.44 | 3.80 a ± 0.54 | 4.64 b ± 0.38 | <0.001 |
| 3.43–3.57 | 3.30–4.30 | 3.30–4.43 | 4.34–5.34 | ||||
| 6 | 4.11 a ± 0.45 | 6.29 b ± 0.15 | 7.07 c ± 0.37 | nt | <0.001 | ||
| 2.85–3.87 | 3.63–4.66 | 6.13–6.47 | 6.62–7.62 | ||||
| p-value ** | 0.007 | <0.001 | <0.001 | ||||
| Family Enterobacteriaceae |
<2 | 2 | 3.61 a ± 0.13 | 3.57 a ± 0.41 | 3.75 a ± 0.13 | 4.16 b ± 0.32 | 0.005 |
| 3.40–3.73 | 3.14–3.99 | 3.59–3.91 | 3.70–4.43 | ||||
| 6 | 3.70 a ± 0.10 | 5.70 b ± 0.54 | 6.76 c ± 0.09 | nt | <0.001 | ||
| 3.53–3.80 | 5.09–6.24 | 6.62–6.88 | |||||
| p-value ** | 0.248 | <0.001 | <0.001 | ||||
| Pseudomonas spp. | 2.87 a ± 0.35 | 2 | 2.85 a ± 0.77 | 3.69 b ± 0.13 | 3.70 b ± 0.14 | 4.48 c ± 0.25 | <0.001 |
| 2.20–3.32 | 3.59–3.83 | 3.51–3.91 | 4.00–4.66 | ||||
| 6 | 3.70 a ± 0.04 | 6.32 b ± 0.12 | 7.11 c ± 0.23 | nt | <0.001 | ||
| 2.41–3.32 | 3.62–3.73 | 6.18–6.51 | 6.73–7.38 | ||||
| p-value ** | 0.023 | 0.020 | 0.007 | ||||
| Salmonella spp. | nd | 2 | nd | nd | nd | nd | |
| 6 | nd | nd | nd | nd | |||
nd—not detected; nt—not tested; ** p-value, the level of significance when estimating the differences between the means of the parameters tested at storage temperatures of 2 and 6 °C; a,b,c—marked with different letters in the rows differ.