Table 2. Effects of broilers fed diets containing graded levels of enzyme cocktail on growth performance1)

Item Enzyme cocktail (g/kg)2) SEM p-value
0 0.2 0.3 20 Linear Quadratic
1–21 d
 BWG (g/bird) 654 696 689 693 13.8 0.079 0.186
 FI (g/bird) 1,035 1,078 1,042 1,060 13.2 0.522 0.370
 FCR 1.59 1.55 1.52 1.54 0.03 0.207 0.449
22–35 d
 BWG (g/bird) 1,362 1,372 1,363 1,369 41.6 0.409 0.530
 FI (g/bird) 2,473 2,427 2,353 2,429 67.1 0.492 0.368
 FCR 1.81 1.77 1.74 1.78 0.04 0.084 0.065
Overall
 BWG (g/bird) 2,015 2,068 2,051 2,062 43.8 0.181 0.311
 FI (g/bird) 3,509 3,505 3,394 3,489 67.3 0.575 0.469
 FCR 1.74 1.70 1.66 1.70 0.02 0.007 0.013
Each mean represents values from 10 replicates (15 birds/replicate).
Mannanase + β-glucanase + xylanase.
BWG, bodyweight gain; FI, feed intake; FCR, feed conversion ratio.