Contagious Agalactia is a contagious disease of sheep and goats caused by the Mycoplasma agalactiae bacteria. The disease is transmitted through ingestion of food, milk, water, colostrum or other body fluids contaminated with M. agalactiae. Contagious Agalactia can cause severe economic loss from mastitis and decreased milk production.
Endemic Areas
Parts of Europe, the Middle East, Africa, South America and Australia
Clinical Signs
- Fever
- Lethargy
- Decreased appetite
- Greenish-yellow to grayish-blue milk that may become lumpy as the disease progresses
- Udder atrophy
- Lameness
- Swollen joints
- Inability to stand/walk
- Keratoconjunctivitis (pinkeye)
Treatment
Contagious Agalactia may be treated with antibiotics and most animals will recover. Any animal suspected of having Contagious Agalactia should be reported to the State Veterinarians or USDA Area Veterinarian in Charge immediately.
Prevention
Vaccinations are available for Contagious Agalactia. Introduction and spread of the disease may be prevented by developing a vaccination protocol and sound biosecurity practices.
Public Health
Contagious Agalactia is not a public health threat.
Links
Contagious Agalactia Iowa State University
