Table 5.
Growth performance and abdominal fat pad deposition of broiler chickens according to different dietary added fats (Experiment 1).
| Dietary Treatments 1 | ||||||
|---|---|---|---|---|---|---|
| Item | S3 | S2–L1 | S1–L2 | L3 | RSE | p-Value |
| From 0 to 21 d | ||||||
| BW at 0 d (g) | 43.0 | 42.9 | 42.9 | 43.1 | 2.64 | 0.996 |
| BW at 21 d (g) | 825 | 816 | 836 | 825 | 85.6 | 0.891 |
| ADFI (g/bird/d) | 54.9 | 55.7 | 52.5 | 54.3 | 3.03 | 0.338 |
| ADG (g/bird/d) | 37.1 | 37.7 | 38.3 | 36.6 | 2.19 | 0.618 |
| FCR (g/g) | 1.45 | 1.41 | 1.40 | 1.44 | 0.039 | 0.170 |
| From 22 to 38 d | ||||||
| BW at 38 d (g) | 2408 | 2461 | 2500 | 2428 | 186.8 | 0.509 |
| ADFI (g/bird/d) | 167.1 | 172.0 | 170.6 | 171.1 | 10.14 | 0.855 |
| ADG (g/bird/d) | 93.8 | 94.5 | 95.6 | 91.9 | 5.75 | 0.724 |
| FCR (g/g) | 1.78 | 1.79 | 1.82 | 1.86 | 0.075 | 0.287 |
| From 0 to 38 d | ||||||
| ADFI (g/bird/d) | 105.1 | 107.8 | 105.3 | 105.9 | 6.00 | 0.885 |
| ADG (g/bird/d) | 62.3 | 61.8 | 63.9 | 62.2 | 3.70 | 0.755 |
| FCR (g/g) | 1.69 | 1.71 | 1.68 | 1.70 | 0.054 | 0.780 |
| Carcass weight (g) | 2147 | 2224 | 2241 | 2173 | 109.1 | 0.463 |
| Abdominal Fat Depot | ||||||
| g | 40.01 | 35.86 | 33.78 | 39.45 | 3.835 | 0.062 |
| (%) | 1.93 | 1.61 | 1.64 | 1.82 | 0.251 | 0.134 |
BW: Body weight; ADFI: Average daily feed intake; ADG: Average daily gain; FCR: Feed conversion ratio; RSE: Residual standard error. 1 S3: Soybean oil (S) at 3.00%; S2–L1: S at 2.00% and soybean lecithin high in free fatty acids (L) at 1.00%; S1–L2: S at 1.00% and L at 2.00%; L3: L at 3.00%.