Natural Occurring Muscular Sarcocysts in Urban Domestic Cats (Felis catus) Without Sarcocystis-Associated Disease

Lucio, Bruna Marquardt; Minuzzi, Camila Encarnação; Avila, Nícolas Carmo de; Tondo, Luís A.S.; Vogel, Fernanda Silveira Flores; Kommers, Gláucia D.; Fernandes, Fagner D’ambroso; Marques, Clandio Timm; Flores, Mariana M.

doi:10.1007/s11686-020-00262-7

Cited by 2 publications

(2 citation statements)

References 22 publications

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“…Evidence of S. neurona infection in cats was also reported by Lucio et al (2021). In this study, the authors described the natural occurrence of S. neurona muscular sarcocysts in cats without Sarcocystis-associated disease.…”

Section: Genetic Characterization Of Sarcocystis Spp Excreted By Didelphid Opossums In Brazilmentioning

confidence: 52%

Sarcocystis neurona and related Sarcocystis spp. shed by opossums (Didelphis spp.) in South America

Gondim

Soares

Moré

et al. 2021

Rev. Bras. Parasitol. Vet.

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Protozoan parasites of the genus Sarcocystis are obligatory heteroxenous cyst-forming coccidia that infect a wide variety of animals and encompass approximately 200 described species. At least four Sarcocystis spp. (S. falcatula, S. neurona, S. lindsayi and S. speeri) use opossums (Didelphis spp.) as definitive hosts, and two of them, S. neurona and S. falcatula, are known to cause disease in horses and birds, respectively. Opossums are restricted to the Americas, but their distribution in the Americas is heterogeneous. Five Didelphis spp. are distributed in South America (D. aurita, D. albiventris, D. marsupialis, D. imperfecta and D. pernigra) whereas just one opossum species (D. virginiana) is found in North America. Studies conducted in the last decades show that Sarcocystis spp., derived from South American Didelphis spp., have biological and genetic differences in relation to Sarcocystis spp. shed by the North American opossum D. virginiana. The aim of this review was to address the peculiar scenario of Sarcocystis species shed by South American opossums, with a special focus on diagnosis, epidemiology, and animal infections, as well as the genetic characteristics of these parasites.

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Section: Genetic Characterization Of Sarcocystis Spp Excreted By Didelphid Opossums In Brazilmentioning

confidence: 52%

Sarcocystis neurona and related Sarcocystis spp. shed by opossums (Didelphis spp.) in South America

Gondim

Soares

Moré

et al. 2021

Rev. Bras. Parasitol. Vet.

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“…Moreover, this season shows the most favorable climate conditions for the parasite survival in the environment. Lucio et al (2020) detected, through PCR and sequencing, S. neurona in muscle tissues of naturally infected domestic cats, and these animals can be part of the cycle as intermediate hosts for this species. The worldwide seroprevalence of S. neurona ranges from 0% to 89.2% (Dubey et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Occurrence of anti Sarcocystis spp., anti Toxoplasma gondii, and anti Neospora spp. antibodies in equines from western Santa Catarina, Brazil

Ribeiro¹,

Chitolina²,

Carminatti³

et al. 2021

Semina: Ciênc. Agrár.

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Equine raising is generally articulated as a secondary activity on farms, where animals are used for leisure or work. Thus, it is important to consider the health of these animals, seeking to understand which are the main agents that circulate in a given farm or region. In this sense, this study aimed to evaluate the presence of IgG anti-Sarcocystis spp., anti-Toxoplasma gondii, and anti-Neospora spp. antibodies in equines in western Santa Catarina, Brazil. A total of 100 serum samples from horses from 10 farms, located in the municipalities of Faxinal dos Guedes, Xaxim, and Xanxerê were analyzed from June to December 2019. The samples were evaluated by indirect immunofluorescence reaction (IIFR) to detect antibodies of IgG class against the three agents. The results showed that the equines in the region are seropositive against the three studied agents, 11% of which for Sarcocystis spp. 21% for T. gondii, and 20% for Neospora spp. The analysis of the presence of these protozoa in different environments showed that both stabled and extensively raised horses presented signs of contact with the studied agents. Animals that live only in stables had a higher occurrence of IgG anti-Sarcocystis (7/32; 21.88%) and anti-T. gondii (11/32; 34.38%) antibodies. The evaluating of animals raised on pasture, semi-extensively and extensively, showed a higher percentage of seropositivity for N. caninum (9/34; 26.47%). The high occurrence of animals seropositive to the studied protozoa reinforces the importance of controlling and preventing these agents in the region, as they have the potential to cause a high impact on equid farming, mainly involving reproductive losses and equine protozoal myeloencephalitis (EPM).

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Natural Occurring Muscular Sarcocysts in Urban Domestic Cats (Felis catus) Without Sarcocystis-Associated Disease

Cited by 2 publications

References 22 publications

Sarcocystis neurona and related Sarcocystis spp. shed by opossums (Didelphis spp.) in South America

Sarcocystis neurona and related Sarcocystis spp. shed by opossums (Didelphis spp.) in South America

Occurrence of anti Sarcocystis spp., anti Toxoplasma gondii, and anti Neospora spp. antibodies in equines from western Santa Catarina, Brazil

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