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Chickenpox is an acute, highly contagious disease caused by the varicella-zoster virus (VZV), a double-stranded DNA virus belonging to the Herpesviridae family. Its transmission occurs primarily through the inhalation of respiratory droplets or direct contact with vesicular fluid from skin lesions. The incubation period typically ranges from 10 to 21 days, during which the virus replicates and disseminates through sequential phases within the host. Although generally self-limiting in children,...
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Procedures for Identifying Infectious Prions After Passage Through the Digestive System of an Avian Species
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Published on: November 6, 2013

Transmissible proventriculitis in broilers.

T V Dormitorio1, J J Giambrone, F J Hoerr

  • 1Poultry Science Department, 260 Lem Morrison Drive, Auburn University, AL 36849-5416, USA.

Avian Pathology : Journal of the W.V.P.A
|May 5, 2007
PubMed
Summary

Transmissible proventriculitis in poultry is a significant disease affecting commercial broilers globally, leading to economic losses. Its unknown etiology and varied clinical signs complicate diagnosis, necessitating a review of its causes.

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Area of Science:

  • Veterinary Pathology
  • Avian Diseases
  • Poultry Production

Background:

  • Transmissible proventriculitis is a significant disease in commercial broilers worldwide.
  • This condition leads to substantial economic losses in the poultry industry.
  • The etiology of proventriculitis remains unknown, and its clinical presentations often complicate diagnosis.

Purpose of the Study:

  • To review the literature on transmissible proventriculitis in poultry from 1971 to 2006.
  • To differentiate between proventricular enlargement and true proventriculitis based on microscopic evidence.
  • To emphasize infectious causes of proventriculitis while also considering non-infectious factors.

Main Methods:

  • Comprehensive literature review of scientific articles and reports.
  • Analysis of diagnostic criteria for proventriculitis.
  • Categorization of etiological factors into infectious and non-infectious causes.

Main Results:

  • Proventriculitis is characterized by inflammation of the proventriculus glands, confirmed by microscopic evidence.
  • Infectious agents are a major focus, though non-infectious causes are also considered.
  • The disease impacts broiler profitability significantly due to its transmissible nature.

Conclusions:

  • Accurate diagnosis of proventriculitis requires microscopic confirmation of glandular inflammation.
  • Understanding the infectious and non-infectious causes is crucial for managing this economically important poultry disease.
  • Further research into the unknown etiology of transmissible proventriculitis is warranted.