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Toxoplasmosis prevalence parasitologically evaluated in meat animals
Archives Roumaines De Pathologie Experimentales Et De Microbiologie
|October 1, 1989
Summary
Toxoplasma gondii infection was detected in 9.01% of meat samples from swine, cattle, and sheep. Two isolated strains demonstrated virulence in animal models, highlighting potential public health risks.
Area of Science:
- Veterinary Parasitology
- Food Safety
- Zoonotic Diseases
Background:
- Toxoplasma gondii is a widespread protozoan parasite with significant public health implications.
- Meat products are a common route of transmission for T. gondii to humans and animals.
- Understanding parasite prevalence in food animals is crucial for risk assessment.
Purpose of the Study:
- To determine the frequency of Toxoplasma gondii infection in meat from swine, cattle, and sheep.
- To evaluate the pathogenicity of T. gondii strains isolated from meat.
- To assess the potential risk of T. gondii transmission through meat consumption.
Main Methods:
- Analysis of 299 pooled meat samples (diaphragmatic muscle) from 740 swine, 910 cattle, and 1340 sheep.
- Bioassays using mice for parasite detection and identification of tachyzoites and cerebral cysts.
- Virulence assessment of isolated T. gondii strains in mice and rabbits.
Main Results:
- A total of 27 positive samples (9.01%) were identified across all animal species.
- No significant difference in infection frequency was observed among swine, cattle, and sheep.
- Two T. gondii isolates exhibited virulence in experimental animal models.
Conclusions:
- Toxoplasma gondii infection is prevalent in meat from common food animals.
- The presence of virulent strains underscores the importance of meat inspection and control measures.
- Further research is needed to fully elucidate the transmission dynamics and public health impact.