Table 4.
Effect of diet supplemented with Enzymex and Yeamark on broilers’ feed intake (mean±SE)
| Period | Age (wk) | Dietary treatments |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| T1 | T2 | T3 | T4 | T5 | T6 | T7 | T8 | ||
| Starter (1-3 weeks) | 1 | 121.47 ±1.40a |
119.94 ±1.02ab |
117.28 ±1.74abcd |
116.73 ±1.17bcd |
119.27 ±1.09abc |
115.02 ±2.06cd |
113.18 ±1.21d |
112.81 ±1.26d |
| 2 | 342.65 ±1.17a |
342.18 ±1.00a |
336.31 ±1.27b |
335.28 ±1.39b |
341.96 ±1.19a |
327.53 ±1.06c |
320.16 ±1.05d |
319.69 ±1.03d |
|
| 3 | 603.18 ±1.12a |
601.75 ±1.13a |
594.91 ±1.62b |
595.43 ±0.71b |
600.12 ±1.25a |
588.15 ±1.16c |
581.85 ±1.09d |
582.34 ±1.11d |
|
| TFCA | 1067.30 ±3.28a |
1063.90 ±1.30ab |
1048.50 ±1.07c |
1047.40 ±1.37c |
1061.40 ±1.61b |
1030.70 ±2.13d |
1015.20 ±0.93e |
1014.80 ±1.10e |
|
| Finisher (4-6 weeks) | 4 | 865.16 ±1.29a |
861.92 ±2.03ab |
843.24 ±1.01c |
844.86 ±1.12c |
859.62 ±1.18b |
833.27 ±1.03d |
820.54 ±1.13e |
822.75 ±1.02e |
| 5 | 1031.50 ±2.05a |
1021.90 ±1.11b |
997.12 ±1.12c |
995.87 ±1.55c |
1018.10 ±1.06b |
979.48 ±2.05d |
961.14 ±1.02e |
959.65 ±1.01e |
|
| 6 | 1231.70 ±2.00a |
1227.30 ±1.24b |
1194.80 ±1.21c |
1196.10 ±1.28c |
1224.70 ±2.06b |
1161.40 ±1.18d |
1125.20 ±1.08e |
1128.60 ±1.21e |
|
| TFCA | 3128.40 ±3.95a |
3111.10 ±2.36b |
3035.20 ±1.32d |
3036.80 ±3.60d |
3102.50 ±0.49c |
2974.10 ±2.58e |
2906.90 ±2.63f |
2911.00 ±2.59f |
|
| Overall | TFCB | 4195.70 ±7.23a |
4175.00 ±1.92b |
4083.70 ±2.33d |
4084.30 ±4.32d |
4163.80 ±1.27c |
4004.80 ±2.81e |
3922.10 ±1.93f |
3925.80 ±3.55f |
a-f Means within rows with no common superscript differ significantly (P<0.05). A Total feed consumption for the previous 3-week study period, and B Total feed consumption for the 6-week study period. TFC: Total feed consumption, wk: Week, T1: Control group, and T2-T8: Treatment groups