WMI groups in parity 1 (days) | Weaning-to-first-mating interval in subsequent parities (days) | |||||
---|---|---|---|---|---|---|
0–3 | 4 | 5 | 6 | 7–20 | 21 or more | |
Percentages of sows (%) | ||||||
Parity 2 | ||||||
0–3 | 21.4 | 45.5 | 19.3 | 2.9 | 8.1 | 2.8 |
4 | 9.1 | 60.5 | 19.3 | 2.7 | 6.3 | 2.1 |
5 | 3.9 | 32.2 | 48.9 | 5.6 | 6.7 | 2.7 |
6 | 3.0 | 25.8 | 46.5 | 11.3 | 9.5 | 3.9 |
7–20 | 5.1 | 31.5 | 36.2 | 8.4 | 14.6 | 4.2 |
21 or more | 4.2 | 28.6 | 38.4 | 8.0 | 11.5 | 9.3 |
Parity 3 | ||||||
0–3 | 24.0 | 43.3 | 17.1 | 2.9 | 10.3 | 2.4 |
4 | 12.0 | 60.4 | 16.8 | 2.1 | 6.7 | 2.0 |
5 | 5.3 | 38.1 | 43.7 | 4.3 | 6.3 | 2.3 |
6 | 4.2 | 30.6 | 44.4 | 9.2 | 8.4 | 3.2 |
7–20 | 6.0 | 33.7 | 35.9 | 7.5 | 13.1 | 3.8 |
21 or more | 4.9 | 29.4 | 36.6 | 8.6 | 12.0 | 8.5 |
Parity 4 | ||||||
0–3 | 22.0 | 46.2 | 17.7 | 2.5 | 9.2 | 2.4 |
4 | 11.7 | 60.4 | 17.6 | 2.2 | 6.3 | 1.8 |
5 | 6.1 | 40.2 | 40.9 | 4.1 | 6.3 | 2.4 |
6 | 4.6 | 32.0 | 44.9 | 7.5 | 8.0 | 3.0 |
7–20 | 7.1 | 37.9 | 33.9 | 6.9 | 11.0 | 3.2 |
21 or more | 6.5 | 35.5 | 36.0 | 6.9 | 9.9 | 5.2 |
Parity 5 | ||||||
0–3 | 23.3 | 46.0 | 17.0 | 2.5 | 9.1 | 2.1 |
4 | 13.8 | 59.0 | 16.3 | 2.2 | 6.7 | 2.0 |
5 | 7.5 | 42.9 | 37.9 | 3.8 | 5.8 | 2.1 |
6 | 5.7 | 36.9 | 40.7 | 7.4 | 6.6 | 2.7 |
7–20 | 7.7 | 40.3 | 33.9 | 5.5 | 10.1 | 2.5 |
21 or more | 7.2 | 37.2 | 35.9 | 6.9 | 8.3 | 4.5 |
Parity 6 or higher | ||||||
0–3 | 22.7 | 46.9 | 19.0 | 2.4 | 7.2 | 1.8 |
4 | 13.4 | 59.1 | 18.4 | 2.0 | 5.4 | 1.7 |
5 | 7.9 | 42.9 | 38.8 | 3.8 | 4.9 | 1.7 |
6 | 6.0 | 35.1 | 42.7 | 7.2 | 6.8 | 2.2 |
7–20 | 8.4 | 39.1 | 34.9 | 5.9 | 9.4 | 2.3 |
21 or more | 8.0 | 37.5 | 36.2 | 6.5 | 8.1 | 3.7 |