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Table 1 Productive parameters (mean ± SD or proportion [percentage] plus confidence interval [CI]) of V and NV sows

From: Exploratory field study on the effects of porcine circovirus 2 (PCV-2) sow vaccination at different physiological stages mimicking blanket vaccination

  V NV
Total born piglets /sow 14.1 ± 3.0a 13.6 ± 3.6a
Live born piglets/sow 13.4 ± 3.0a 12.9 ± 3.7a
Weaning-to-mate interval (days) 4.6 ± 5.1a 4.6 ± 5.0a
Weaning-to-fecundation interval (days) 30.7 ± 7.0a 30.2 ± 5.3a
Weaned piglets/sow 12.1 ± 2.7a 11.8 ± 3.7a
Abortions 4/180 (2.2%)a
CI: 0.1–4.4%
2/53 (3.8%)a
CI: − 1.4–8,9%
Mummies 34/2424 (1.4%)a
CI: 0.9–1,9%
15/695 (2.2%)a
CI: 1.1–3.2%
Stillbirth 105/2424 (4.3%)a
CI: 3.5–5.1%
24/695 (3.5%)a
CI: 2.1–4.8%
Dead suckling piglets 213/2295 (9.3%)a
CI: 8.1–10.5%
58/658 (8.8%)a
CI: 6.6–11.0%
Cross-fostered piglets 127/2079 (6.1%)a
CI: 5.1–7.1%
53/600 (8.8%)b
CI: 6.6–11.1%
Piglets birth weight (Kg) 1.64 ± 0.39a 1.58 ± 0.38b
Weaned piglet weight (Kg) 6.51 ± 1.48a 6.37 ± 1.48b
  1. Different letters in superscript in a row indicate significant differences (p ≤ 0.05) between V and NV groups (highlighted in bold)
  2. V Vaccinated, NV Non-vaccinated