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Updated: Sep 24, 2025

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Aichivirus C isolate is a diarrhoea-causing pathogen in goats.

Keha-Mo Abi1,2, Chen Yang1, Cheng Tang1

  • 1College of Animal & Veterinary Sciences, Southwest Minzu University, Chengdu, P. R. China.

Transboundary and Emerging Diseases
|May 3, 2022
PubMed
Summary

Aichivirus C causes severe watery diarrhea in young goats. This study isolated the virus, confirmed its link to goat diarrhea, and demonstrated its pathogenicity in experimental infections.

Keywords:
Aichivirus Cdiarrhoeagoatisolationpathogenicity

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Area of Science:

  • Veterinary Virology
  • Goat Health
  • Emerging Infectious Diseases

Background:

  • Aichivirus C is an emerging virus in goats with unknown biological significance.
  • Diarrhea is a significant health concern in young goats, impacting herd productivity.

Purpose of the Study:

  • To investigate the association of Aichivirus C with diarrhea in goats.
  • To isolate and characterize Aichivirus C strains.
  • To confirm the pathogenicity of Aichivirus C in young goats.

Main Methods:

  • Faecal samples from diarrheic and non-diarrheic kids were analyzed using RT-PCR.
  • Aichivirus C strains were isolated and plaque-purified using Vero cell lines.
  • Experimental infection of kids was performed to assess pathogenicity and clinical signs.
  • Histopathological examination of intestinal tissues was conducted.

Main Results:

  • Aichivirus C was detected in 77.8% of diarrheic samples, significantly higher than non-diarrheic samples (0%).
  • Other common goat diarrhea pathogens were largely absent, suggesting Aichivirus C as the cause.
  • Five Aichivirus C strains were isolated, and experimental infection caused severe watery diarrhea and characteristic intestinal lesions in kids.
  • Pathological changes in naturally infected goats mirrored experimental findings.

Conclusions:

  • Aichivirus C is confirmed as a causative agent of diarrhea in goats.
  • This study provides the first isolation and pathogenicity confirmation of Aichivirus C in kids.
  • Findings have significant implications for diagnosing and controlling goat diarrhea outbreaks globally.