Contagious equine metritis (CEM) is a venereal disease of horses caused by the bacteria Taylorella equigenitalis. It is spread during breeding or through. Importance. Contagious equine metritis (CEM) is a highly communicable venereal disease of horses, caused by the bacterium Taylorella. Information, factsheets, photos, resources, and vaccines for Contagious Equine Metritis.
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It is advisable to maintain strict hygiene when handling and breeding mares and stallions to prevent disease transmission.
Contagious Equine Metritis
How is CEM treated? Contagious equine metritis is a highly contagious genital infection of mares, spread venereally, and was first described in In most cases, CEM can be successfully treated with disinfectants and antibiotics.
Serological identification of the bacterial agent of contagious equine metritis.
Preliminary observations on X-factor growth requirement of the bacterium responsible for CEM. Open in a separate window.
Contagious Equine Metritis: A Review
How is CEM transmitted and spread? Once merritis organism has been eliminated, the horse may be used for breeding again. These tests cnotagious positive 10 or more days after infection. In mares, initial exposure to the disease usually results in a large amount of vaginal discharge 12 to 14 days following natural breeding with an infected stallion.
The severity of disease in mares varies. Although most contagious equine metritis outbreaks involved Thoroughbreds, infection in other breeds has also occurred. Infected stallions tend to be the major source of infection, as they can harbour the disease for years without showing any clinical signs. Sample collection and laboratory methods for the diagnosis of contagious equine metritis are described.
Treatment of stallions is successful. Inhibition of the CEM organism by the normal flora of the reproductive tract. The disease can also be transmitted via artificial insemination. Responses of mares to rechallenge with the organism of contagious equine metritis It is relatively easy to eliminate the carrier state in stallions using local disinfectant.
Venereal infection in thoroughbreds with Bacillus proteus mirabilis. All horses of breeding age that are imported into Canada, from countries where CEM is endemic, must be tested for the disease before entering Canada. There is no human health risk associated with CEM.
Blood tests are not possible for stallions. Stallions do not show signs of infection. The main outward sign is a vaginal discharge which may range from very mild to extremely prolific.
The course of serum antibody development in two ponies experimentally infected with contagious metritis.
Clinical signs have not been observed in stallions. This disease only affects horses, however all breeds are susceptible. Views Read Edit View history. CEM is suspected when multiple mares that are bred by the same stallion experience short-term infertility and have vaginal discharge.
Fact Sheet – Contagious Equine Metritis – Canadian Food Inspection Agency
Contagious equine metritis CEM is a transmissible venereal disease in horses, caused by the bacterium Taylorella equigenitalis. A taxonomic study of the genus Haemophilus, with the proposal of a new species.
There are two states of infection: Journal of Animal Science. From Wikipedia, the free encyclopedia. A contagious genital infection of mares. CEM and the foaling mare.
The first indication of the carrier state is lack of pregnancy in the mares covered by the stallion. The causative organism of contagious equine metritis Endometrial biopsy studies of mares with contagious equine metritis What is being done to protect Canadian horses from CEM?
Samples are refrigerated and transported to an approved testing laboratory within 48 hours of collection. Daily variations in the shedding of the agent of contagious equine metritis by a carrier mare. By using this site, you agree to the Terms of Use and Privacy Policy.
Contagious Equine Metritis: A Review
Successful transmission of CEM to the donkey. The disease has been reported in Europe, Australia and the United States. Associated Data Supplementary Materials. Most mares with acute endometritis recover spontaneously. Is CEM a risk to human health? However, a proportion of mares remain carriers of the contagious equine metritis organism.
Contagious equine metritis and AI.