Spatial distribution of Toxoplasma gondii oocysts in soil in a rural area: Influence of cats and land use

Gotteland, Cécile; Gilot‐Fromont, Emmanuelle; Aubert, Dominique; Poulle, Marie-Lazarine; Dupuis, Emilie; Dardé, Marie‐Laure; Forin-Wiart, Marie-Amélie; Rabilloud, Muriel; Riche, Benjamin; Villena, Isabelle

doi:10.1016/j.vetpar.2014.08.003

Cited by 68 publications

(59 citation statements)

References 43 publications

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“…Frequency of pathogens in wild cats in the Serranía de Cuenca Natural Park (SCNP, Spain) found by detection of antibodies, antigens or DNA. one of the most frequent zoonoses in the world, whose existence in the border areas of ecotones has been associated with the presence of hybrids or wildcats in these areas (Gotteland et al, 2014). The presence of feral cats favours the increase of interspecific contacts, which have a direct effect on exposure to pathogens (Hollings et al, 2013).…”

Section: Tablementioning

confidence: 99%

Canine distemper virus may affect European wild cat populations in Central Spain

Candela

Pardávila²,

Ortega

et al. 2019

Mammalian Biology

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Section: Tablementioning

confidence: 99%

Canine distemper virus may affect European wild cat populations in Central Spain

Candela

Pardávila²,

Ortega

et al. 2019

Mammalian Biology

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“…Until now, a few studies have been conducted worldwide to determine the status of soil contamination with T. gondii by molecular methods [16, 17]. And the results indicated that the soils from gardens [18], pig farms [19], public schools [20] and public parks [21] were all contaminated with T. gondii oocysts in a large numbers.…”

Section: Introductionmentioning

confidence: 99%

Detection of Toxoplasma gondii in chicken and soil of chicken farms in Nanjing region, China

Liu

Han

et al. 2017

Infect Dis Poverty

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BackgroundSoil is increasingly recognized as an important source in the transmission of Toxoplasma gondii (T. gondii). The aim of this study was to investigate the presence of T. gondii in the soil and to grasp the relationships between the contamination of soil and chicken infections.MethodsPCR method based on T. gondii-conserved gene internal transcribed spacer 1 (ITS-1) as target gene and ELISA method (sGRA8-ELISA) using the recombinant protein of shortened GRA8 gene of T. gondii as antigen were developed and applied. From April 2013 to March 2014, a total of 700 soil samples were collected at various sites located in thirty farms categorized as free range farm and scale farm in Nanjing, Jiangsu, China, in different seasons. Additionally, a total of 350 sera of chickens were collected from free range farms to determine the presence of antibodies against T. gondii using sGRA8-ELISA.ResultsThe serological results showed that, antibodies were found in 194 of 250 (67.14%) samples from farms with T. gondii positive in soil and 41 of 100 samples from farms with T. gondii negative in soil (41.00%) (P < 0.01). The PCR detection of soil samples showed that, 7 (2.0%) of 350 samples collected from feeding zone in free range farms were found positive of T. gondii, whereas no sample was positive in scale farms. In the seasonal detections, T. gondii was found in 6 (3.33%) samples collected in autumn and 1 (0.56%) collected in winter.ConclusionsThe results indicated that the contamination of T. gondii in soil in the free range farms was higher than that in the scale farms and seroprevalence of T. gondii in chickens in the farm with soil contamination was higher than that with no soil contamination. The soil contamination might be an effective indicator of T. gondii infection in chickens.Electronic supplementary materialThe online version of this article (doi:10.1186/s40249-017-0277-3) contains supplementary material, which is available to authorized users.

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“…[29][30][31] This in turn may have a cascading effect on cat abundance through bottom-up processes, 32 and in consequence affect the environmental load of parasites like Toxoplasma gondii. 33,34 However, this pattern has only been studied in large metropolitan areas, and whether it persists at smaller population sizes is currently unknown. Climate can influence disease dynamics by affecting host and pathogen population fluctuations via availability of resources in the form of vegetation or prey, or by creating suitable environmental conditions for free-living stages of pathogens.…”

Section: Introductionmentioning

confidence: 99%

Estimating Burdens of Neglected Tropical Zoonotic Diseases on Islands with Introduced Mammals

Wit

Croll

Tershy

et al. 2017

The American Society of Tropical Medicine and Hygiene

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Abstract. Many neglected tropical zoonotic pathogens are maintained by introduced mammals, and on islands the most common introduced species are rodents, cats, and dogs. Management of introduced mammals, including control or eradication of feral populations, which is frequently done for ecological restoration, could also reduce or eliminate the pathogens these animals carry. Understanding the burden of these zoonotic diseases is crucial for quantifying the potential public health benefits of introduced mammal management. However, epidemiological data are only available from a small subset of islands where these introduced mammals co-occur with people. We examined socioeconomic and climatic variables as predictors for disease burdens of angiostrongyliasis, leptospirosis, toxoplasmosis, toxocariasis, and rabies from 57 islands or island countries. We found strong correlates of disease burden for leptospirosis, Toxoplasma gondii infection, angiostrongyliasis, and toxocariasis with more than 50% of the variance explained, and an average of 57% (range = 32-95%) predictive accuracy on out-of-sample data. We used these relationships to provide estimates of leptospirosis incidence and T. gondii seroprevalence infection on islands where nonnative rodents and cats are present. These predicted estimates of disease burden could be used in an initial assessment of whether the costs of managing introduced mammal reservoirs might be less than the costs of perpetual treatment of these diseases on islands.

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Spatial distribution of Toxoplasma gondii oocysts in soil in a rural area: Influence of cats and land use

Cited by 68 publications

References 43 publications

Canine distemper virus may affect European wild cat populations in Central Spain

Canine distemper virus may affect European wild cat populations in Central Spain

Detection of Toxoplasma gondii in chicken and soil of chicken farms in Nanjing region, China

Estimating Burdens of Neglected Tropical Zoonotic Diseases on Islands with Introduced Mammals

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