Measurements | N | Mean (± SD) | Minimum | Maximum |
---|---|---|---|---|
Farrowed parity | 264,333 | 3.6 (2.1) | 1 | 17 |
Gestation length, days | 264,333 | 115 (1.5) | 110 | 120 |
Number of piglets born alive | 264,333 | 13.4 (3.5) | 1 | 29 |
Number of stillborn piglets | 264,333 | 1.06 (1.50) | 0 | 23 |
Lactation length, days | 264,333 | 25.1 (3.4) | 21 | 40 |
Number of piglets weaned | 264,333 | 11.5 (2.2) | 0 | 39 |
Age when piglet died, days | 256,604 | 2.40 (4.52) | 0 | 38 |
Probability of a sow having a piglet death during early lactation (days 0–1), % | 256,604 | 36.9 (48.2) | – | – |
Probability of a sow having a piglet death during mid-lactation (days 2–8), % | 256,604 | 27.0 (44.3) | – | – |
Probability of a sow having a piglet death during late lactation (days 9–28), % | 256,604 | 15.4 (36.1) | – | – |