Table 7 Farrowing rate analysis in sows compared with gilts, 2003
From: Low reproductive performance and high sow mortality in a pig breeding herd: a case study
Sows & gilts | Sows only | Gilts only | |
|---|---|---|---|
Farrowing rate % | 76.3 | 78 | 66 |
Regular repeats % 18-24 days | 5.6 | 5 | 8.9 |
Regular repeats % 39-45 days | 2.4 | 2 | 4.8 |
Irreg. repeats % 25-38 days | 5.2 | 5 | 6 |
Found empty % NIP (>45 days) | 5.5 | 5 | 8 |
Abortions % | 1.5 | 1.5 | 1.6 |
Sold in pig % | 1.6 | 1.4 | 2.8 |
Dead pregnant % | 1.7 | 1.7 | 1.6 |