Toxoplasmosis in sheep is a disease of great importance in veterinary medicine, which causes economic losses in livestock and has a great impact on human health, since consumption of infected meat facilitates transmission of zoonotic infections. Blood samples from sheep (n = 360) were collected from 13 farm properties in the municipality of Lages, Santa Catarina, to estimate the prevalence of toxoplasmosis and identify risk factors associated with Toxoplasma gondii infection. T. gondii, antibodies were investigated by means of the indirect immunofluorescence assay (IFA) and enzyme-linked immunosorbent assay (ELISA). Animals infected with T. gondii were found on 100% of the farms. IFA detected 56.9% (205/360) and ELISA 42.5% of the infected sheep. Breed was the only risk factor associated with the presence of T. gondii antibodies. ELISA showed sensitivity of 61%, specificity of 82% and kappa of 0.41, which was considered moderate. This allows use of ELISA as an alternative technique for diagnosing T. gondii in sheep.
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http://dx.doi.org/10.1590/s1984-29612012000300004 | DOI Listing |
Ann Agric Environ Med
December 2024
Medical University of Gdańsk, Poland.
Rodents are recognized as reservoirs for , playing a crucial role in maintaining the parasite's presence in the environment. Biomonitoring was conducted to assess the role of sylvatic rodents in maintaining , and to analyse the prevalence and seroprevalence of the parasite in seven wild rodent species. Rodents were collected in an open grassland study site located in northeastern Poland, and dissected.
View Article and Find Full Text PDFBMC Infect Dis
January 2025
Infectious Diseases Research Center, Birjand University of Medical Sciences, Birjand, P.O. Box: 9717853577, Iran.
Background: Toxoplasma gondii (T. gondii) is the most successful obligate protozoan that can infect warm-blooded vertebrate hosts. Some researchers suggest that the presence of Toxoplasma cysts in the brain can lead to mental disorders.
View Article and Find Full Text PDFArch Razi Inst
June 2024
College of Health Medical Technique, Al-Bayan University. Baghdad, Iraq.
The present study was conducted from December 2021 to April 2023 at the College of Health and Medical Technologies, Al-Bayan University, in Baghdad province, Iraq, to detect infection in humans by serological methods. Field studies were conducted using 1,500 sera samples from hospitals and private medical laboratories. The sera samples were separated and examined by indirect immunoglobulin G enzyme-linked immunosorbent assays to serologically detect infection.
View Article and Find Full Text PDFBMC Vet Res
December 2024
Laboratory of Foodborne Parasitic Zoonoses, Department of Translational Physiology, Infectiology and Public Health, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium.
Background: Taenia spp. and Toxoplasma gondii are foodborne parasites affecting humans and pigs. The magnitude of the burden of these parasites in pigs in Burundi is not known.
View Article and Find Full Text PDFJ Parasitol Res
December 2024
Laboratory of Infection Biology, Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka 1000, Bangladesh.
() is an obligate, intracellular, neurotropic protozoan parasite. After primary infection, parasite undergoes stage conversion from fast-replicating tachyzoites to slow-replicating dormant bradyzoites, particularly in the brain, and persists for a lifetime of an individual. In this study, the impact of infection in individuals with psychological disorder, that is, major depressive disorder (MDD) has been studied.
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