Table 3.
Item | Probiotics (% of Diet) | p-Value | |||||
---|---|---|---|---|---|---|---|
0 (CON) | 0.05 | 0.1 | 0.2 | CON vs. Probiotics | Linear | Quadratic | |
Body weight, kg | |||||||
Initial | 28.26 ± 0.26 | 28.43 ± 0.28 | 28.38 ± 0.23 | 48.46 ± 0.15 | 0.575 | 0.753 | 0.731 |
Day 14 | 38.00 ± 0.16 | 38.18 ± 0.36 | 38.24 ± 0.30 | 38.09 ± 0.29 | 0.628 | 0.585 | 0.881 |
Day 28 | 48.38 ± 0.31 b | 48.71 ± 0.32 ab | 49.85 ± 0.31 a | 48.99 ± 0.37 ab | 0.036 | 0.005 | 0.359 |
ADG, kg/day | |||||||
Day 0–14 | 695 ± 21.7 | 696 ± 34.9 | 704 ± 21.4 | 687 ± 18.6 | 0.984 | 0.815 | 0.914 |
Day 15–28 | 741 ± 13.4 b | 752 ± 31.3 b | 829 ± 11.2 a | 778 ± 7.78 ab | 0.074 | 0.004 | 0.185 |
Day 0–28 | 718 ± 11.7 b | 724 ± 8.69 ab | 766 ± 12.3 a | 733 ± 12.4 ab | 0.135 | 0.009 | 0.235 |
ADFI, kg/day | |||||||
Day 0–14 | 1515 ± 42.7 | 1502 ± 78.9 | 1490 ± 36.6 | 1861 ± 22.2 | 0.613 | 0.746 | 0.997 |
Day 15–28 | 1793 ± 40.6 | 1815 ± 79.2 | 1977 ± 29.3 | 1861 ± 22.3 | 0.153 | 0.017 | 0.279 |
Day 0–28 | 1654 ± 29.2 | 1659 ± 21.2 | 1733 ± 17.8 | 1660 ± 24.0 | 0.340 | 0.034 | 0.265 |
F: G | |||||||
Day 0–14 | 2.18 ± 0.02 | 2.16 ± 0.01 | 2.12 ± 0.03 | 2.12 ± 0.02 | 0.058 | 0.049 | 0.814 |
Day 15–28 | 2.42 ± 0.02 | 2.41 ± 0.03 | 2.38 ± 0.02 | 2.39 ± 0.01 | 0.378 | 0.293 | 0.726 |
Day 0–28 | 2.30 ± 0.01 | 2.29 ± 0.02 | 2.26 ± 0.02 | 2.27 ± 0.01 | 0.121 | 0.092 | 0.711 |
Note. ADFI, average daily feed intake; ADG, average daily gain; F:G, the ratio of feed to gain; a, b Means in the same row with different superscripts differ significantly (p < 0.05).