Table 2.
Effect of drinking water acidification on the mean body weight ( ± SEM) of broiler chicks, experimentally challenged by C. jejuni.
| Period | Experimental Groups | p Value | |||||
|---|---|---|---|---|---|---|---|
| A | B | C | D | E | F | ||
| 1st d * | 47.14 ± 0.39 | 47.58 ± 0.52 | 46.33 ± 0.53 | 48.33 ± 0.68 | 0.139 | ||
| 9th d * | 216.11 ± 2.13 | 210.00 ± 3.70 | 205.66 ± 3.48 | 211.20 ± 3.68 | 0.216 | ||
| 15th d * | 433.64 ± 3.74 b | 415.75 ± 6.10 a | 412.94 ± 5.27 a | 421.31 ± 7.43 a,b | 0.011 | ||
| 20th d | 853.17 ± 16.73 b | 828.25 ± 16.42 a,b | 830.33 ± 15.24 a,b | 796.67 ± 13.66 a | 791.17 ± 12.66 a | 837.67 ± 17.72 a,b | 0.039 |
| 23rd d | 1018.08 ± 21.17 b | 980.08 ± 19.27 a,b | 984.33 ± 18.63 a,b | 929.83 ± 17.49 a | 933.33 ± 14.40 a | 998.83 ± 21.17 b | 0.005 |
| 25th d | 1148.92 ± 24.58 b | 1088.92 ± 21.87 a,b | 1098.42 ± 20.84 a,b | 1042.17 ± 19.93 a | 1035.50 ± 16.72 a | 1114.50 ± 23.98 b | 0.002 |
| 30th d | 1585.50 ± 47.70 | 1545.67 ± 42.93 | 1533.17 ± 47.93 | 1440.83 ± 40.99 | 1443.00 ± 36.81 | 1563.17 ± 49.34 | 0.100 |
| 37th d | 2381.17 ± 75.68 | 2293.83 ± 83.64 | 2222.67 ± 72.29 | 2129.83 ± 64.32 | 2189.83 ± 61.06 | 2316.50 ± 85.08 | 0.192 |
| 39th d | 2634.67 ± 82.70 b# | 2532.67 ± 99.21 a,b# | 2462.67 ± 87.33 a,b# | 2290.00 ± 50.29 a# | 2439.50 ± 75.36 a,b# | 2558.67 ± 94.73 b# | 0.084 |
a,b Means in the same row with a different superscript differ significantly (p ≤ 0.05). # Means in the same row with a different superscript differ significantly (p ≤ 0.10). * For the period 1–18 days, groups A, B, and C were considered as one (controls), as birds in these groups received only tap water (without any treatment), and the challenge by C. jejuni was not yet applied.