Veterinary advice should be sought before applying any treatment or vaccine.

Caseous lymphadenitis (CL) is a chronic, contagious disease affecting the lymphatic system of camelids and horses worldwide. It is caused by the Corynebacterium pseudotuberculosis bacterium which results in the development of abscesses in the lymph nodes and internal organs. An abscess may develop at the location where the bacteria entered the goat or at a nearby lymph node; it then continues to spread through the blood or lymphatic system, affecting other body organs and lymph nodes in other areas of the body. It is often found in the lungs, kidneys, and liver.

Transmission
CL is transmitted from direct contact with infected animals or contaminated fomites or environment.

Incubation period
The incubation period from initial infection by C. pseudotuberculosis

Symptoms

Chronic emaciation
Exercise intolerance
Dullness
Forced full coughing
Weight loss
Difficulty breathing
Decreased milk production
Enlargement of lymph node w/ greenish colored pus
Loss of appetite

Diagnosis

  • History
  • Clinical signs
  • Haemagglutination test
  • Counterimmunoelectrophoresis
  • IFN-y ELISA
  • PCR

Treatment

Treatment TypeDetails
Surgical treatmentThe abscesses need to be either drained or surgically removed by a veterinarian.
Following reduction of the abscess, the goat should be isolated from other animals for 22 to 30 days, to prevent infecting the remainder of the herd.
Antibiotic therapyRifamyin at 10 mg/kg IM b.i.d. 10d + tetracycline at 20 mg/kg IM every third day

Prevention

  • Vaccination

Article Reference

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