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Table 3 Performance characteristics 5 months (October 2019- February 2020) after the affected boar was not used for mating in comparison with the status before

From: A case report: Actinobaculum suis infection associated with formation of pyogranuloma, epididymitis and azoospermia in a boar

Performance characteristics Status before a Status quo b Reference values [14]
Piglets born alive/ litter 13.8 12.6 12–14.0
Piglets born dead/ litter 1.8 1.1 ≤ 0.5
Piglets weaned/ litter 11.1 9.8 11.0
Return to oestrus rate (%) 35.3 14.1 ≤ 12.0
Regular return (%)c 28.7 5.9  
Irregular return (%)d 6.6 8.2  
  1. a Status before: Data of nine months from January 2019- September 2019 before the new boar was introduced on farm
  2. b Status quo: Data of five months from October 2019- February 2020 with the new boar on farm
  3. c Sows returning to oestrus 18–24 and 36–48 days after insemination
  4. d All other sows returning to oestrus without regular return