Table 2.
Effect of a protected organic acids-essential oils blend with or without oat hulls on growth performance of broiler chickens.
| Item | Treatments1 |
SEM2 | P-value | |||
|---|---|---|---|---|---|---|
| BAS | BMD | OE | OEOH | |||
| Feed intake, g/bird | ||||||
| Starter (d 1 to 14) | 542 | 548 | 522 | 519 | 10.64 | 0.1725 |
| Grower (d 14 to 28) | 1,890 | 1,857 | 1,762 | 1,768 | 40.89 | 0.0837 |
| Finisher (d 28 to 36) | 1,165 | 1,153 | 1,148 | 1,156 | 31.44 | 0.9839 |
| Overall (d 1 to 36) | 3,585 | 3,587 | 3,438 | 3,411 | 88.73 | 0.3779 |
| Body weight gain, g/bird | ||||||
| Starter (d 1 to 14) | 447a | 455a | 418b | 413b | 7.206 | 0.0004 |
| Grower (d 14 to 28) | 1,168ab | 1,177a | 1,118ab | 1,088b | 21.92 | 0.0228 |
| Finisher (d 28 to 36) | 817 | 828 | 836 | 802 | 27.59 | 0.8378 |
| Overall (d 1 to 36) | 2,449ab | 2,460a | 2,371ab | 2,303b | 35.14 | 0.0134 |
| Feed conversion ratio | ||||||
| Starter (d 1 to 14) | 1.21 | 1.21 | 1.23 | 1.24 | 0.017 | 0.3373 |
| Grower (d 14 to 28) | 1.62 | 1.58 | 1.58 | 1.63 | 0.030 | 0.5159 |
| Finisher (d 28 to 36) | 1.44 | 1.40 | 1.40 | 1.45 | 0.064 | 0.8830 |
| Overall (d 1 to 36) | 1.50 | 1.46 | 1.45 | 1.46 | 0.028 | 0.5855 |
a, b In a row, means assigned different lowercase letters are significantly different, P < 0.05 (Tukey's procedure).
1
BAS, basal diet; BMD, antibiotic diet; OE, diet containing 300 g of protected organic acids-essential oils blend/1,000 kg of feed; OEOH, diet containing 300 g of protected organic acids-essential oils blend/1,000 kg of feed +3% coarse oat hulls.
2
Standard error of means.