Table 4.
Frequency distribution of stillborn piglets per litter in sows fed either a control diet (Control) or a dietary fiber–supplemented diet (Treatment) during the last 2 wk of gestation
| Frequency,1 % | |||
|---|---|---|---|
| Stillborn per litter | Control | Treatment | P-value |
| 0 | 31.6 (98) | 38.9 (130) | 0.05 |
| 1 | 26.4 (82) | 31.1 (104) | 0.18 |
| 2 | 17.4 (54) | 14.7 (49) | 0.35 |
| 3 | 9.7 (30) | 8.7 (29) | 0.67 |
| 4 | 7.1 (22) | 3.0 (10) | 0.02 |
| 5 | 2.9 (9) | 1.2 (4) | 0.13 |
| 6 | 2.3 (7) | 1.2 (4) | 0.30 |
| ≥7 | 2.6 (8) | 1.2 (4) | 0.20 |
1
The number in parenthesis indicated the number of sows within each category of stillborn per litter.