Toxoplasma gondii place in a wildlife food chain | Toxoplasma gondii vieta savvaļas barības ķēdē
2012
Deksne, G., Institute of Food Safety, Animal Health and Environment BIOR, Riga (Latvia);University of Daugavpils (Latvia). Inst. of Systematic Biology
The aim of the present study was to establish T. gondii place and its role in a wildlife food chain using data from previously studies. The seroprevalence data of T. gondii specific antibodies in different animals were used to establish T. gondii place in the wildlife food chain. Samples of cats, foxes, raccoon dogs, and wild boars were analyzed with a modified indirect ELISA. The T. gondii seroprevalence in red foxes was comparably high (29.7%). But the assumption that in the higher stages of food chain also the T. gondii seroprevalence should be higher is disproved. In wild boars, which is omnivores and can be included in the lower food chain stage, seroprevalence of T. gondii was similar as for red foxes (33.2%). However, in raccoon dogs, from the same stage as wild boars, T. gondii seropreavalence was notably lower that for red foxes. Although domestic cats should be included in the latest stage, seroprevalence of T. gondii was significantly higher (51.6%) than in other of previously mentioned animals. There is a lack of T. gondii studies in rodents as animals from the very starting food chain stage.
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