- news, features, articles and disease information for the swine industry

ThePigSite Quick Disease Guide

Use the above box to quickly switch to another disease


Peritonitis is inflammation of the peritoneum, the shiny membrane that covers all the internal surfaces in the abdomen. The onset may be sudden or gradual. A common time is 7-10 days after mating caused by the boar at mating damaging the vagina. It may arise due to a bacterial septicaemia.


  • Abdominal pain.
  • Appetite normal or depressed.
  • The sow is reluctant to move.
  • Loses weight.
  • Has a tucked up appearance.
  • A discharge from the vulva may be apparent at mating.
  • The temperature may be normal or elevated.
Weaners & /Growers
  • Coughing (App)
  • Loss of condition and growth.
  • Pale.
  • Swollen abdomen.
  • Wasting.
  • Death.

Causes / Contributing factors

  • Ruptured gastric ulcer.
  • Perforated bowel.
  • Penetration of the abdomen via mating.
  • External trauma to the abdomen and ruptured bowel or liver.
  • Conditions such as actinobacillus pleuropneumonia, gl?ssers disease, migrating ascarid worms and miscellaneous generalised infections may also result in peritonitis.


This is based on the clinical signs and history. A post-mortem examination may be required to confirm it.

Further Reading

Click on the links below to find out more about this disease, including treatment, management control and prevention information. The top link is the main article on this disease.