Trichomoniasis

Trichomoniasis is a venereal disease that causes embryonic losses, vaginal discharges and abortions in cows.

It is caused by a protozoal parasite called Tritichomonas foetus.

Conditions when trichonomiasis is likely to occur

Trichomoniasis is more likely to occur when there is movement of infected bulls or cows between or among herds.

Identifying and diagnosing trichomoniasis

Diagnosis of trichomoniasis will require veterinary assistance. Clinical signs that would lead producers to suspect trichomoniasis include the following:

• Early term abortion.
• Vaginal discharge.
• Low calving rates.
  
  

Prevention strategies for trichomoniasis

• Culling infected bulls.
• Reducing the age of bulls and improving bull control.
• Controlled mating ie restricting to a short (3-6 months) period provides sexual rest for cows and facilitates disease control.
• Segregating heifers and mate with young bulls.
  
  
  

More information

• Module 7 from MLA's More Beef from Pastures the producer's manual
• New South Wales Department of Industry & Investment publication: Trichomoniasis
• Northern Territory Department of Primary Industries Fisheries and Mines publication: Trichomoniasis in the Northern Territory
• A recent MLA research project developed new diagnostic tests for reproductive diseases of cattle, including trichomoniasis.

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