Peer-reviewed veterinary case report
Phenotypic and molecular identification of Brucella suis biotype 1 in a pig from Brazil-case report.
- Journal:
- Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology]
- Year:
- 2022
- Authors:
- Vicente, Acácia Ferreira et al.
- Affiliation:
- Department of Animal Production and Preventive Veterinary Medicine · Brazil
- Species:
- cat
Plain-English summary
A case was reported involving a pig from Brazil that tested positive for Brucella suis biotype 1, a type of bacteria that can cause brucellosis, a disease that can affect both animals and humans. On a farm where there had been issues with pregnant pigs losing their babies, tests were done on various animals, including pigs, horses, dogs, and cattle. One pig, along with two cows and two dogs, showed signs of the disease, but only the pig had a definitive positive result. Unfortunately, the infected pig was euthanized, and further testing confirmed the presence of Brucella suis biotype 1. The study highlights the importance of diagnosing this disease and its potential risks to human health.
Abstract
Brucellosis is a zoonotic disease with a global impact. Brucella suis is one of the most pathogenic species to humans, requiring different measures for the control and/or eradication of the disease. The serological investigation for brucellosis was performed in pigs, horses, dogs, and cattle on a farm with a history of abortion in sows and necropsy of a boar with severe necrosuppurative orchitis. One sow, two cows, and two dogs reveled positive to Rose Bengal Test (RBT), although only the sow had a confirmatory outcome in 2-mercaptoethanol (2-ME). The 2-ME-positive sow was euthanized and microbiological culture of lymph nodes and liver followed by biochemical characterization allowed phenotypic characterization of Brucella suis biotype 1. PCR multiplex Bruce-ladder and Suis-ladder enabled molecular confirmation, respectively, of Brucella suis and biotype 1. The transmission aspects of B. suis to pigs and other domestic species, the combination of diagnostic procedures to diagnosis, as well as human health concerns of brucellosis are discussed.
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Search related cases →Original publication: https://pubmed.ncbi.nlm.nih.gov/34510396/