Table 14 Analysis of reproductive failures (2004)
From: Low reproductive performance and high sow mortality in a pig breeding herd: a case study
% | Jun 04 | Jul 04 | Aug 04 | Sept 04 | Oct 04 | Nov 04 | Dec 04 | Jan-Dec 04 |
|---|---|---|---|---|---|---|---|---|
Farrowing rate | 77 | 83 | 82 | 70 | 78 | 76 | 78 | 77 |
Regular returns 18-22/39-45 days | 5.1 | 6.9 | 4.9 | 9.1 | 8 | 6.2 | 8.2 | 7.3 |
Irregular returns 23-38 days | 4.3 | 3.7 | 4.1 | 7 | 1.3 | 4.9 | 1.7 | 4.2 |
Sows not in pig > 45 days | 11 | 3.1 | 6 | 7 | 1.3 | 4.9 | 3.5 | 5.7 |
Abortions | 0 | <1 | <1 | 2 | <1 | <1 | 1.7 | 1.1 |
Culled pregnant | <1 | 1.2 | 2 | 5.6 | 5.4 | 3.5 | 5.3 | 2.5 |
Dead pregnant | 1.4 | 1.2 | 0 | <1 | 2 | <1 | 1 | 1.8 |