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Pyaemia in pigs.

K T Chiew¹, S B Chua, D Singh

¹Veterinary Public Health Laboratory, Primary Production Department, Singapore.

The British Veterinary Journal

|May 1, 1991

Summary

Pyaemia is a significant cause of pig condemnation in Singapore, with abscesses frequently found in organs like the liver and spleen. Pseudomonas pseudomallei was the most common bacteria identified in these cases.

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Area of Science:

Veterinary Pathology
Microbiology
Public Health

Background:

Pyaemia is the leading reason for pig carcass condemnation in Singapore abattoirs.
This condition significantly impacts the meat industry and food safety.

Purpose of the Study:

To analyze the prevalence and post-mortem findings of pyaemia in pigs slaughtered in Singapore.
To identify the predominant causative organisms and discuss public health implications.

Main Methods:

Retrospective analysis of condemnation data from 1983 to 1987.
Examination of post-mortem findings in pigs condemned for pyaemia.
Bacteriological isolation and identification from affected cases.

Main Results:

Pyaemia accounted for 0.036% of total condemnations (1757 out of 4,899,731 pigs).
Common abscess locations included the liver (22%), spleen (21%), gastrohepatic lymph node (20%), and bronchial lymph node (17%).
Pseudomonas pseudomallei was the most frequently isolated organism (39% of cases).

Conclusions:

Pyaemia, often associated with abscesses caused by Pseudomonas pseudomallei, is a critical issue in Singapore's pig slaughterhouses.
The findings highlight the public health significance, particularly concerning melioidosis, necessitating continued surveillance and control measures.

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