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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