A total of 233 plasma samples that were previously used in other studies for investigating T. Assessment of the commercial ELISA kit was done by including data from two additional serological tests, MAT, and WB, applied to seven pig population categories with varying prevalences. In this study, we evaluated the manufacturer recommended cut-off of ELISA- PrioCHECK test kit and determined a new optimal cut-off for identifying T. Such tests include enzyme-linked immunosorbent assay (ELISA), modified agglutination test (MAT), and western blot (WB), which are commercially available as rapid test kits. Toxoplasma gondii infection in pigs is commonly diagnosed using serological tests that detect IgG antibodies targeted against the parasite. Large variations were observed in the seroprevalence estimates between the studies in the region however, studies were too few to identify spatial patterns at country-level. gondii among animals raised or hunted for human consumption in the region. Not all studies provided information on animal age, sensitivity and specificity of the serological method employed, and the cut-off values used for defining an animal seropositive.Ī substantial proportion of animals raised or hunted for human consumption in the region had tested positive for T. In all host species except wild boars, the pooled seroprevalence estimates were significantly higher in animals >1 year of age than in younger animals. High heterogeneity was observed in the seroprevalence data within each species.
The estimated pooled seroprevalence of T. These comprised of 13 studies on domestic pigs, six on sheep, three on cattle, six on wild boars, and four on moose. Subgroup analyses were performed to identify variables influencing the seroprevalence.įrom a total of 271 studies identified in the systematic review, 32 were included in the meta-analysis. We searched for studies that were conducted between January 1990 and June 2018, and reported in articles, theses, conference abstracts and proceedings, and manuscripts. gondii in five animal species that are raised or hunted for human consumption in the Nordic-Baltic region: domestic pigs (Sus scrofa domesticus), sheep (Ovis aries), cattle (Bos taurus), wild boars (Sus scrofa), and moose (Alces alces). We conducted a systematic review of seroprevalence studies and meta-analysis to estimate the seroprevalence of T. gondii in different animal species used for human consumption are scattered. gondii antibodies in humans, which is substantial in the Nordic-Baltic region in northern Europe.
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Meat of infected animals is presumed to constitute a major source of human infection and may be a driver of geographical variation in the prevalence of anti-T. Toxoplasma gondii is an important foodborne zoonotic parasite.
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