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Osteopathic Manipulative Treatment as a Useful Adjunctive Tool for Pneumonia
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Pneumonia Associated with Inhaled Plant Material in Swine.

A H Corner1, K W F Jericho1

  • 1Animal Pathology Division, Health of Animals Branch; Department of Agriculture. Animal Diseases Research Institute. Hull. Quebec, and Lethbridge. Alta.

Veterinary Pathology
|June 10, 2018
PubMed
Summary
This summary is machine-generated.

Foreign-body pneumonia caused by inhaled plant material, often from feed, is common in swine. Histological analysis revealed inflammatory cell infiltration and tissue damage in affected lungs.

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Area of Science:

  • Veterinary Pathology
  • Swine Health
  • Respiratory Diseases

Background:

  • Foreign-body pneumonia is a significant concern in institutional swine herds.
  • Inhaled foreign material can lead to respiratory pathology.

Purpose of the Study:

  • To investigate the incidence and nature of foreign-body pneumonia in a swine herd.
  • To characterize the histological response to inhaled foreign material in swine lungs.

Main Methods:

  • Necropsy of 68 swine lungs to identify foreign material.
  • Histological examination of affected lungs and control lungs.
  • Identification and characterization of inhaled particles and associated cellular reactions.

Main Results:

  • High incidence of foreign-body pneumonia (40/68 lungs) due to plant material, primarily feed.
  • Inhaled particles ranged from 50 μm in alveoli to 300 μm in bronchioles.
  • Histological findings included polymorphonuclear leucocytes, macrophages, giant cells, epithelial changes, and lymphoreticular proliferation.

Conclusions:

  • Inhaled plant material, particularly from feed, is a common cause of pneumonia in swine.
  • The lung's histological response involves acute and chronic inflammatory processes.
  • Understanding these findings is crucial for swine herd health management.