Table 3.
Item | CTR | XYL | XYL + LY | Pooled SD |
P-values |
|
---|---|---|---|---|---|---|
Treatment | Initial BW | |||||
BW, kg | ||||||
44 d of age | 13.4 | 13.3 | 13.6 | 0.513 | 0.415 | <0.001 |
65 d of age | 23.7 | 23.9 | 24.6 | 0.905 | 0.100 | <0.001 |
23 to 44 d of age | ||||||
ADG, g/d | 301 | 305 | 320 | 28 | 0.255 | <0.001 |
ADFI, g/d | 477 | 472 | 456 | 29 | 0.264 | <0.001 |
FCR, g/g | 1.576 | 1.501 | 1.487 | 0.114 | 0.195 | 0.801 |
44 to 65 d of age | ||||||
ADG, g/d | 488 | 496 | 525 | 38 | 0.098 | <0.001 |
ADFI, g/d | 989 | 957 | 955 | 72 | 0.503 | <0.001 |
FCR, g/g | 2.036a | 1.924ab | 1.829b | 0.137 | 0.009 | 0.610 |
23 to 65 d of age | ||||||
ADG, g/d | 402 | 406 | 422 | 21 | 0.102 | <0.001 |
ADFI, g/d | 730 | 706 | 716 | 47 | 0.516 | <0.001 |
FCR, g/g | 1.819a | 1.740ab | 1.698b | 0.089 | 0.018 | 0.867 |
SD = standard deviation; ADG = average daily gain; ADFI = average daily feed intake; FCR = feed conversion ratio.
a, bMeans in the same row with different superscripts differ at P < 0.05.
Mean values for 10 replicate pens with 6 piglets per replicate pen. CTR, control diet; XYL, CTR supplemented with xylanase at 16,000 birch xylan units/kg; XYL + LY, XYL supplemented with live yeast (2 × 1010 CFU/g) at 1 kg/t.