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ThePigSite Quick Disease Guide

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Blue Eye Disease

This is a viral disease that causes nervous symptoms, reproductive failure and opacity or blueing of the cornea. It is seen mainly in Mexico but has also been reported in other countries. It is not seen in Europe.


All Pigs
  • Inappetence.
  • Corneal opacity - conjunctivitis.
  • Nervous signs - fits and convulsions.
  • Dog sitting position.
  • Fever.
  • Increased returns.
  • Increased weaning to mating intervals.
  • Stillbirths
  • Mummified piglets.
  • High mortality in piglets
  • Swollen testicles
  • Loss of libido

Causes / contributing factors

  • Carrier pigs.
  • Nasal spread.
  • Mechanical spread.


Clinical symptoms. HI tests. Virus isolation.

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.