Sows traits |
Gestation length (days) | P1 | 115.4 ± 1.3 | 116 | 114 | 117 | <0.05 |
P3 | 115.5 ± 1.2 | 115 | 114 | 117 |
P6 | 116.7 ± 0.9 | 117 | 115 | 118 |
Total number of piglets born (heads) | P1 | 16.8 ± 1.8 | 17 | 14 | 19 | 0.113 |
P3 | 15.5 ± 3.1 | 15 | 12 | 21 |
P6 | 12.4 ± 3.2 | 12 | 7 | 17 |
Number of piglets born live (heads) | P1 | 15.6 ± 2.1 | 16 | 13 | 18 | 0.118 |
P3 | 14.0 ± 3.2 | 13 | 10 | 19 |
P6 | 11.0 ± 3.4 | 11 | 6 | 16 |
Number of piglets still born (heads) | P1 | 0.2 ± 0.5 | 0 | 0 | 1 | 0.151 |
P3 | 1.3 ± 1.5 | 1 | 0 | 4 |
P6 | 1.1 ± 0.3 | 0 | 0 | 1 |
Total piglet birth weight (kg) | P1 | 16.8 ± 2.1 | 16 | 14 | 20 | 0.117 |
P3 | 14.7 ± 3.2 | 14 | 10 | 19 |
P6 | 12.4 ± 3.5 | 12 | 7 | 18 |
Weaning traits |
Weaning period (days) | P1 | 23.0 ± 7.8 | 24 | 13 | 34 | 0.170 |
P3 | 20.7 ± 2.7 | 19 | 18 | 24 |
P6 | 20.2 ± 4.8 | 19 | 16 | 32 |
Weaning piglets (heads) | P1 | 10.4 ± 1.5 | 11 | 8 | 12 | <0.05 |
P3 | 10.0 ± 0.6 | 10 | 9 | 11 |
P6 | 10.4 ± 1.7 | 11 | 8 | 12 |
Total piglets weaning weight (kg) | P1 | 54.9 ± 10.2 | 56 | 38 | 66 | 0.377 |
P3 | 58.4 ± 13.6 | 59 | 43 | 77 |
P6 | 62.0 ± 10.4 | 58 | 54 | 81 |
Durations traits |
Duration of farrowing (min) | P1 | 25.9 ± 6.1 | 26 | 18 | 33 | 0.355 |
P3 | 29.5 ± 3.8 | 29 | 25 | 33 |
P6 | 22.2 ± 13.3 | 21 | 5 | 42 |
Duration of placenta expulsion (min) | P1 | 141.0 ± 263.0 | 15 | 0 | 536 | 0.447 |
P3 | 192.0 ± 423.0 | 17 | 0 | 1,056 |
P6 | 663.0 ± 1,802.0 | 23 | 0 | 5464 |
Time from last piglet to first placenta (min) | P1 | 74.0 ± 117.0 | 25 | 0 | 248 | 0.206 |
P3 | 34.0 ± 37.0 | 31 | 0 | 80 |
P6 | 87.0 ± 79.0 | 83 | 1 | 248 |
Average birth interval (min) | P1 | 125.6 ± 94.8 | 114 | 0 | 357 | 0.156 |
P3 | 229.3 ± 125.0 | 229 | 0 | 455 |
P6 | 167.1 ± 92.0 | 189 | 0 | 340 |
Behavior of tail wagging (count) | P1 | 5.3 ± 4.3 | 4 | 1 | 16 | 0.065 |
P3 | 5.6 ± 2.3 | 4 | 2 | 9 |
P6 | 7.8 ± 6.7 | 5 | 0 | 24 |