Prevalence of Sarcocystis spp. in Argentinean cattle

Moré, Gastón; Abrahamovich, P.; Jurado, Susana Beatriz; Bacigalupe, D.; Marín, Juan Carlos; Rambeaud, Magdalena; Venturini, L.; Venturini, Marı́a Cecilia

doi:10.1016/j.vetpar.2010.11.036

Cited by 101 publications

(94 citation statements)

References 14 publications

(25 reference statements)

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“…Total DNA was extracted from approximately 50mg of each tissue sample of cardiac muscle using a commercial kit (Wizard genomic DNA purification kit, Promega, Madison, WI, USA), according to the manufacturer's instructions, with modifications in the lysis step, in accordance with the methods of MORÉ et al (2011). Following extraction, DNA concentration in each sample was estimated by measuring ultraviolet light (UV) absorbance at 260nm, and the total DNA was stored at -20°C until use.…”

Section: Methodsmentioning

confidence: 99%

Molecular detection of protozoa of the Sarcocystidae family in sheep from the State of Rio Grande do Sul, Brazil

et al. 2016

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Infections caused by protozoa belonging to the (17/80,.2) of the tested samples and T. gondii DNA in 15% (12/80,. Moreover, 6.2% (5/80,) samples contained DNA of both protozoan. The presence of N. caninum nucleic acids was not observed in tested samples. However, 21,2% (17/80, IC: 12,2) das amostras testadas e DNA de T. gondii em 15% (12/80, IC: 7,8). Em 6,2% (5/80, IC: 2,[1][2][3][4][5][6][7][8][9][10][11][12][13]9), foram detectados DNA de ambos os protozoários. Todas as amostras positivas no PCR (23, IC: 14,1)

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Section: Methodsmentioning

confidence: 99%

Molecular detection of protozoa of the Sarcocystidae family in sheep from the State of Rio Grande do Sul, Brazil

et al. 2016

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“…Consuming low doses result in a decrease on weight gain and growth (Collins 1981). The clinical disease in ruminants is fairly rare but the infection is very frequent (from 60-90% in some sectors in Argentina) (Moré et al 2011). This situation might be because there are at least 3 species that affect bovine and 2 for ovine (Barriga 2002).…”

Section: Introductionmentioning

confidence: 99%

“…There are 2 kinds of Sarcocystis cysts, those with thick wall and those with thin wall, which depends on the species. Moré et al (2011), demonstrated that thick wall cysts don't affect the myocardium. In some species like ovine and South American camelids the cysts might be macroscopic with a size of approximately 2cm (Gorman 1984).…”

Section: Introductionmentioning

confidence: 99%

Sarcocystis spp. in red deer (Cervus elaphus), fallow deer (Dama dama), and pudu (Pudu pudu) in southern Chile

2017

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Worldwinde, cervids are considered an important source of infection and dissemination of a wide variety of pathogens, both for farm animals and humans. Among this diseases is sarcosporidiosis, which is a parasitic disease caused by Sarcocystis spp. (Protozoa: Apicomplexa). Most frequent clinical signs are hemolytic anemia, weakness, weight loss and decrease of growth and some species of Sarcocystis might cause abortions. The clinical disease in ruminants is fairly rare but the infection is very frequent. Infections are accumulative and the parasite does not generate immunity in any of the hosts. Ovine sarcosporidiosis is a serious issue in the some regions of Chile due to the macrocysts located in the muscle which means condemnation of the whole carcass. Sarcocystis spp. has been widely reported in red deer and other cervid species but in Chile the situation remains unknown. Nowadays there is little to no evidence of Sarcocystis in foreign deer in Chile and there is only one report of the parasite on pudu. The main goal of this study is to demonstrate the presence of Sarcocystis spp. in myocardium of red deer and fallow deer in Chile, and confirm the presence of Sarcocystis spp. in pudu. All cervid cases from 1994 to 2013 of the Institute of Animal Pathology of the Universidad Austral de Chile were reviewed. The animals selected were those in which a myocardium sample was taken. From the histopathological samples observed, it was found that 5 of the 9 red deer, 1 of the 4 fallow deer and in 11 of the 23 pudu there were Sarcocystis cysts in the myocardium. This study represents the first record for Chile of Sarcocystis spp. in myocardium of red deer and fallow deer. Stablishing the red deer, fallow deer and pudu as hosts of Sarcocystis aids to have a better understanding of the parasite epidemiology in Chile and the role of wild and captive cervids in the maintenance and spread of these parasites.

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“…É bastante relatado em bovinos, podendo causar lesões musculares e baixo ganho de peso. Os índices de reatividade sorológica para S. cruzi podem beirar os 100% em um rebanho bovino (Moré et al, 2011). O ciclo biológico de S. neurona e S. cruzi é similar, embora envolva diferentes espécies de hospedeiros definitivos, gambás do gênero Didelphis spp.…”

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“…Os hospedeiros intermediários se infectam pela ingestão de esporocistos presentes no ambiente. Após estabelecida a infecção, S. neurona tende a permanecer no tecido nervoso (Dubey et al, 2001b), enquanto S. cruzi tende a formar sarcocistos no tecido muscular (Moré et al, 2011) (Dubey et al, 2001b;Xiang et al, 2011 Os testes para S. cruzi foram realizados no laboratório da Universidade Nacional de La Plata, Argentina. Para a preparação das lâminas, foram utilizados bradizoítos coletados de coração bovino infectado, conforme recomendações de Moré et al (2008).…”

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Investigação de anticorpos contra Sarcocystis neurona e Sarcocystis cruzi em equinos

Antonello

Pivoto

Camillo

et al. 2015

Arq. Bras. Med. Vet. Zootec.

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Prevalence of Sarcocystis spp. in Argentinean cattle

Cited by 101 publications

References 14 publications

Molecular detection of protozoa of the Sarcocystidae family in sheep from the State of Rio Grande do Sul, Brazil

Molecular detection of protozoa of the Sarcocystidae family in sheep from the State of Rio Grande do Sul, Brazil

Sarcocystis spp. in red deer (Cervus elaphus), fallow deer (Dama dama), and pudu (Pudu pudu) in southern Chile

Investigação de anticorpos contra Sarcocystis neurona e Sarcocystis cruzi em equinos

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