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Table 3 Number and percentage (in brackets) of dead and excluded sows and reason of exclusion

From: Exploratory field study on the effect of Porcine circovirus 2 (PCV2) sow vaccination on serological, virological and reproductive parameters in a PCV2 subclinically infected sow herd

  Treatment V (n = 94) NV (n = 97)
Mortality in first reproductive cycle 2 (2.13%) 5 (5.15%)
Exclusion at the end of the first reproductive cycle Return to oestrus 13 (13.83%) 14 (14.43%)
Culling. Old sow 2 (2.13%) 1 (1.03%)
Culling. Lameness 1 (1.06%) 0 (0%)
Human mistakes (vaccination, misplaced sows…) 1 (1.06%) 2 (2.06%)
TOTAL excluded animals 17 (18.09%) 17 (17.53%)
Mortality in second reproductive cycle 0 (0%) 2 (2.67%)
  1. No statistically significant differences (p < 0.05) among experimental groups were observed
  2. V vaccinated, NV non-vaccinated