Toxoplasma gondii prevalence in cats from Lisbon and in pigs from centre and south of Portugal
Abstract
Toxoplasmosis is an important zoonosis worldwide. Here we determined the presence of Toxoplasma gondii antibodies in sera and T. gondii DNA in faeces of 215 domestic cats from veterinary clinics in the Lisbon area; 44 (20.5%) had anti-T. gondii IgG antibodies by the modified agglutination test (cut-off 1:40) and DNA was detected in 16 (35.6%) of 45 cat faeces tested. Risk factor analysis indicated increase of seroprevalence with age of the cats. Sera and tissues of 381 pigs from a slaughterhouse were also tested for T. gondii infection; 27 (7.1%) of the 381 pigs were seropositive. T. gondii DNA was demonstrated in diaphragms and/or brains of seven (35.0%) of 20 anti-T. gondii seropositive pigs tested by the B1 nested-PCR. Results indicate very high prevalence of T. gondii DNA in the faeces (oocysts) of definitive hosts and relatively low, but still worrying, seroprevalence of T. gondii antibodies in pigs destined for human consumption.
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The 30.5% T. gondii prevalence in cats from Madeira differs significantly from the 20.5% in cats from the Lisbon metropolitan area using the same serological test (χ2 = 2.154, df = 1, P = 0.031).
“The 30.5% prevalence of antibodies to T. gondii found in the present study differs significantly (χ2 = 2.154, df = 1, P = 0.031) from the 20.5% found in domestic cats from the Lisbon metropolitan area, in mainland Portugal, using the same serological test [45].”
From Survey of Dirofilaria immitis antigen and antibodies to Leishmania infantum and Toxoplasma gondii in cats from Madeira Island, Portugal (2020) · cites this paper as [45]
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References 21 · Cited by 40
- Authors
- Esteves, F., Aguiar, D., Rosado, J., Costa, M. L., de Sousa, B., Antunes, F., & Matos, O.
- Affiliations
- Universidade Nova de Lisboa (PT)
- University of Lisbon (PT)
- Corresponding author
- Matos, Olga
- Venue
- Veterinary Parasitology
- Publisher
- Elsevier BV
- Published
- 2014-02
- Volume
- 200
- Issue
- 1-2
- Pages
- 8-12
- ISSN
- 0304-4017 (ISSN-L)
- OpenAlex
- W2024153545
- Cited by
- 40
- References
- 21
- Citations by year
- 2026: 1 · 2023: 6 · 2021: 4 · 2020: 8 · 2019: 4 · 2018: 4 · 2017: 1 · 2016: 5 · 2015: 3 · 2014: 4
- FWCI
- 3.16
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Veterinary Parasitology (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Immunology and Microbiology › Parasitology › Toxoplasma gondii Research Studies
- Health Sciences › Medicine › Pathology and Forensic Medicine › Parasitic infections in humans and animals
- Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Coccidia and coccidiosis research
- Keywords
- Toxoplasma gondii, toxoplasmosis, cats, pigs, seroprevalence, zoonoses, risk factors, age-related seropositivity, pork safety, Lisbon, Portugal
- MeSH terms
- Agglutination Tests, Animals, Antibodies, Protozoan, Brain, Cat Diseases, Cats, Diaphragm, Feces, Portugal, Swine, Swine Diseases, Toxoplasma, Toxoplasmosis, Animal, Seroepidemiologic Studies, DNA, Protozoan, Polymerase Chain Reaction, Food Parasitology
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