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Avian Nephritis Viral Infection

Avian nephritis viral (ANV) infection is caused by a highly-contagious astrovirus which affects chickens, ducks, geese, and turkeys worldwide. ANV infection predominately affects the bird's kidneys, resulting in renal damage and visceral urate deposits due to gout. Sometimes the virus targets the intestines.

Chickens become infected with ANV through direct or indirect contact with the feces of infected birds.

Clinical Signs

Diarrhea
Weight loss
Stunted growth
Gout

Diagnosis

  • Reverse transcriptase PCR

Treatment

Supportive care: Isolate the bird from the flock and place in a safe, comfortable, warm location (your own chicken "intensive care unit") with easy access to water and food. Limit stress. Call your veterinarian.

Support

Prevention

Biosecurity

Scientific References

Age Range

Usually a subclinical disease of young chickens.

Risk Factors

  • Poor biosecurity