2011
DOI: 10.1590/s0100-736x2011000100008
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Fatores associados a soroprevalência de Neospora caninum e Toxoplasma gondii em rebanhos caprinos na região sul de Minas Gerais

Abstract: Este estudo estabelece a soroprevalência de Neospora caninum e Toxoplasma gondii em rebanhos caprinos no Sul de Minas Gerais e verifica a sua associação com o desempenho reprodutivo dos rebanhos analisados, uma vez que não há dados sobre neosporose em caprinos neste Estado. Amostras de soro de 401 caprinos provenientes de 11 propriedades foram submetidas à reação de imunofluorescência indireta anti-N. caninum e T. gondii. A prevalência média de animais positivos foi de 10,7% e 21,4%, respectivamente. Houve dif… Show more

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Cited by 13 publications
(10 citation statements)
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“…As reported for goats (Eleni et al 2004), clinical cases associated to natural infection of sheep by Neospora caninum are uncommon, with a few abortion cases , Jolley et al 1999) and congenital disorders (Pena et al 2007) described. However, several serological surveys conducted in different countries, including Brazil, showed that the infection is disseminated in this species (Figliuolo et al 2004, Salaberry et al 2010, as well as in other animal species , Teixeira et al 2010, Toscan et al 2010, Camillo et al 2011, Varaschin et al 2011. In cattle, abortions caused by N. caninum are common (Corbelliniet al 2000, Pescadoret al 2005, Oliveiraet al 2010).…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…As reported for goats (Eleni et al 2004), clinical cases associated to natural infection of sheep by Neospora caninum are uncommon, with a few abortion cases , Jolley et al 1999) and congenital disorders (Pena et al 2007) described. However, several serological surveys conducted in different countries, including Brazil, showed that the infection is disseminated in this species (Figliuolo et al 2004, Salaberry et al 2010, as well as in other animal species , Teixeira et al 2010, Toscan et al 2010, Camillo et al 2011, Varaschin et al 2011. In cattle, abortions caused by N. caninum are common (Corbelliniet al 2000, Pescadoret al 2005, Oliveiraet al 2010).…”
Section: Discussionmentioning
confidence: 99%
“…However, as in cattle farming, they may be related to abortion, reduction in animal value, increase in interparturition interval, infertility and decrease in milk production (Trees et al 1999). Neosporosis in Brazil was detected in many animal species (Toscan et al 2010, Teixeira et al 2010,Camillo et al 2011, Varaschin et al 2011), but its association to abortion was found only for cattle (Gondim et al 1999, Corbellini et al 2000, Corbellini 2001, Pescador et al 2007). In an attempt at ϐilling this gap, the present study aims to describe sheep abortions caused by N. caninum in the state of Mato Grosso do Sul, Brazil.…”
Section: Introductionmentioning
confidence: 99%
“…It was from a small herd with 19 does and one buck in the municipality of Lavras. One month later, serum samples from the herd were tested by IFAT for N. caninum and T. gondii antibodies using tachyzoites of the strain NC-1 and RH as antigens, respectively, and a commercial fluorescein isothiocyanate conjugate anti-goat IgG (Sigma, St. Louis, Missouri, USA) as a secondary antibody [10,11]. In the herd, 31.6% does were positive (>1:50) for N. caninum .…”
Section: Cases Reportmentioning
confidence: 99%
“…In Brazil, the significance of the disease in goats has been poorly investigated. In one previous report in caprine herds from the southern region of Minas Gerais State, the mean prevalence rates of animals that tested positive by indirect fluorescence antibody test (IFAT) for N. caninum were 10.7% and for Toxoplasma gondii 21.4% and the relationship between occurrence of abortion and seroprevalence of N. caninum and T. gondii was significant by Fisher's exact test and chi-square test [10]. This report describes congenital neosporosis in two goat kids from two distinct herds with cases of abortion and newborn weak goat kids.…”
Section: Introductionmentioning
confidence: 99%
“…Seroprevalence rate of toxoplasmosis in northern and southern parts of Iran has been reported to be 55% and 22%, respectively (Assmar et al 1997). In Brazil, studies in flocks of small ruminants found prevalence rates of 21.4 to 92.4% of anti-T. gondii antibodies (Amaral et al 1978, Chiari et al 1987, Sella et al 1994, Gondim et al 1999, Silva et al 2003, Maciel & Araújo 2004, Motta et al 2008, Modolo et al 2008, Varaschin et al 2011. Despite the numerous publications on prevalence of antibodies against T. gondii in goats in different Brazilian regions there is only one report in Brazil reporting abortion by this parasite in goats, in the state of Rio Grande do Sul (Pescador et al 2007).…”
Section: Introductionmentioning
confidence: 99%