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National Swine brucellosis survey
The Canadian Veterinary Journal = La Revue Veterinaire Canadienne
|November 1, 1987
Summary
Canadian swine brucellosis testing in 1985 found no positive cases. This national survey of over 15,000 cull sow samples confirmed the Canadian swine herd remains free of brucellosis.
Area of Science:
- Veterinary Medicine
- Animal Health
- Epidemiology
Background:
- Brucellosis is a significant zoonotic disease affecting livestock globally.
- Monitoring the health status of national animal populations is crucial for disease control.
Purpose of the Study:
- To assess the brucellosis status of the Canadian swine herd in 1985.
- To determine the prevalence of brucellosis in Canadian swine.
Main Methods:
- A national survey collected serum samples from cull sows over 40 weeks in 1985.
- Samples underwent buffered plate agglutination (BPA) screening.
- Reactive samples were further tested using 2-mercaptoethanol (2-ME) and modified complement fixation (MCF) tests.
Main Results:
- 15,707 serum samples were tested.
- 48 samples (0.31%) showed a reaction on the BPA screening test.
- All 48 samples tested negative on the confirmatory 2-ME and MCF tests.
Conclusions:
- The Canadian swine herd was confirmed to be free of brucellosis in 1985.
- The diagnostic approach effectively identified no true positive cases.
- Continued surveillance is important for maintaining disease-free status.
