Table 5.
Items | CON | DF1 | DF2 | DF3 | DF4 | DF5 | SEM | P- value | ||
---|---|---|---|---|---|---|---|---|---|---|
Diets | Linear | Quadratic | ||||||||
Number of sows | 27 | 30 | 30 | 30 | 30 | 30 | – | – | – | |
Litter size | ||||||||||
After cross-foster | 12.2 | 12.7 | 12.5 | 11.9 | 12.0 | 11.9 | 0.10 | 0.31 | 0.37 | 0.19 |
At weaning | 11.2 | 11.4 | 11.6 | 11.0 | 11.0 | 11.0 | 0.11 | 0.52 | 0.36 | 0.07 |
Mean BW of piglet, kg | ||||||||||
After cross-foster | 1.72 | 1.64 | 1.69 | 1.71 | 1.70 | 1.76 | 0.08 | 0.61 | 0.62 | 0.11 |
At weaning | 6.09 | 5.98 | 6.20 | 6.31 | 6.31 | 6.12 | 0.04 | 0.20 | 0.38 | 0.13 |
Litter weight, kg | ||||||||||
After cross-foster | 20.8 | 20.8 | 21.1 | 20.2 | 20.3 | 20.6 | 0.24 | 0.91 | 0.34 | 0.51 |
At weaning | 67.8 | 68.0 | 71.5 | 70.0 | 69.0 | 66.9 | 0.55 | 0.26 | 0.11 | 0.35 |
Daily BW gain of piglets, g/d | 233.5 | 228.4 | 237.1 | 242.3 | 242.6 | 229.9 | 2.35 | 0.31 | 0.071 | 0.33 |
Mean litter weight gain, kg | 49.97 | 49.21 | 51.68 | 50.54 | 50.54 | 48.45 | 0.26 | 0.28 | 0.02 | 0.62 |
BF thickness at weaning, mm | 14.8 | 14.5 | 14.1 | 14.6 | 14.8 | 15.3 | 0.77 | 0.22 | 0.032 | 0.96 |
BF loss during lactation, mm | 2.8 | 2.7 | 2.8 | 2.6 | 2.9 | 2.4 | 0.14 | 0.94 | 0.45 | 0.048 |
ADFI, kg | 4.74b | 5.07ab | 5.24a | 5.33a | 5.00ab | 5.20a | 0.06 | 0.042 | 0.011 | 0.48 |
WEI, d | 4.8 | 4.5 | 4.1 | 4.2 | 4.2 | 4.2 | 0.13 | 0.53 | 0.49 | 0.65 |
Data are expressed as mean ± largest SEM. a, b denote P < 0.05. CON, basal corn-soybean diet; DF1, wheat bran-rich diet; DF2, DF3, DF4 and DF5 were wheat bran diet supplemented with 1%, 2%, 3% and 4% of FIBER MIX at the expense of wheat bran. ADFI average daily feed intake, WEI weaning to estrus interval