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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