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Avian pox in ostriches

D M Allwright1, W P Burger, A Geyer

  • 1Regional Veterinary Laboratory, 7599 Stellenbosch, Republic of South Africa.

Journal of the South African Veterinary Association
|March 1, 1994
PubMed
Summary
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Ostrich chicks in two flocks developed pox-like lesions. A pox virus was isolated, and a fowl pox vaccine successfully protected the young birds.

Area of Science:

  • Avian Pathology
  • Virology
  • Ostrich Farming

Background:

  • Avian pox viruses cause significant disease in poultry.
  • Ostrich farming is a growing industry, making them susceptible to emerging diseases.
  • Lesions resembling avian pox were noted in young ostriches.

Purpose of the Study:

  • To identify the causative agent of pox-like lesions in ostriches.
  • To evaluate the efficacy of a commercial fowl pox vaccine in ostriches.

Main Methods:

  • Clinical observation of nodular cutaneous and diphtheric oral lesions.
  • Histopathological examination for eosinophilic intracytoplasmic inclusion bodies.
  • Isolation and identification of the pox virus from affected tissues.

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Main Results:

  • Lesions consistent with avian pox were observed in two ostrich flocks.
  • Histology confirmed the presence of characteristic inclusion bodies.
  • A pox virus was successfully isolated from the lesions.
  • Field application of a commercial fowl pox vaccine provided protection.

Conclusions:

  • Ostrich chicks are susceptible to pox virus infection.
  • Commercial fowl pox vaccines can be effective in protecting ostriches.
  • This finding has implications for ostrich health management and disease prevention.