Anti-Neospora caninum IgG in fetal bovine serum

Neospora caninum is an obligate intracellular protozoan, recognized as an important cause of abortion in infection cattle worldwide, and is responsible for major economic losses in beef and dairy herds. There are scarce data on the presence of antibodies in fetal serum samples from beef cattle. The...

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Main Authors: Caroline Zamperete Reginato, Fagner D'ambroso Fernandes, Patricia Braünig, Luís Antônio Sangioni, Fernanda Silveira Flores Vogel
Format: Article
Language:English
Published: Universidade Estadual de Londrina 2020-06-01
Series:Semina: Ciências Agrárias
Subjects:
Online Access:https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/37627
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author Caroline Zamperete Reginato
Fagner D'ambroso Fernandes
Patricia Braünig
Luís Antônio Sangioni
Fernanda Silveira Flores Vogel
author_facet Caroline Zamperete Reginato
Fagner D'ambroso Fernandes
Patricia Braünig
Luís Antônio Sangioni
Fernanda Silveira Flores Vogel
author_sort Caroline Zamperete Reginato
collection DOAJ
description Neospora caninum is an obligate intracellular protozoan, recognized as an important cause of abortion in infection cattle worldwide, and is responsible for major economic losses in beef and dairy herds. There are scarce data on the presence of antibodies in fetal serum samples from beef cattle. The pathogen is straggling mainly by vertical transmission in ruminants. This study aimed to determine the frequency of anti-N. caninum antibodies in fetal bovine serum. Overall, 751 fetal serum samples from slaughterhouses in Uruguaiana and Santo Ângelo (Rio Grande do Sul state) were used. Serologic diagnosis was made using indirect immunofluorescence assay (IFA). Slides were prepared by culturing infected Vero cells using tachyzoites of the N. caninum NC-1 strain and a serum dilution of 1:25. Of the 751 samples analyzed, 11.7% (88/751) were positive in the IFA assay. The results indicate an occurrence of neosporosis in the studied region, as well as the possibility of transplacental transmission of the protozoon, characterizing an important mechanism of propagation for the disease.
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spelling doaj.art-f385d23260e5457688ef5ebe854a69f12023-01-24T20:30:35ZengUniversidade Estadual de LondrinaSemina: Ciências Agrárias1676-546X1679-03592020-06-0141510.5433/1679-0359.2020v41n5p1809Anti-Neospora caninum IgG in fetal bovine serumCaroline Zamperete Reginato0Fagner D'ambroso Fernandes1Patricia Braünig2Luís Antônio Sangioni3Fernanda Silveira Flores Vogel4Universidade Federal de Santa MariaUniversidade Federal de Santa MariaUniversidade Federal de Santa MariaUniversidade Federal de Santa MariaUniversidade Federal de Santa MariaNeospora caninum is an obligate intracellular protozoan, recognized as an important cause of abortion in infection cattle worldwide, and is responsible for major economic losses in beef and dairy herds. There are scarce data on the presence of antibodies in fetal serum samples from beef cattle. The pathogen is straggling mainly by vertical transmission in ruminants. This study aimed to determine the frequency of anti-N. caninum antibodies in fetal bovine serum. Overall, 751 fetal serum samples from slaughterhouses in Uruguaiana and Santo Ângelo (Rio Grande do Sul state) were used. Serologic diagnosis was made using indirect immunofluorescence assay (IFA). Slides were prepared by culturing infected Vero cells using tachyzoites of the N. caninum NC-1 strain and a serum dilution of 1:25. Of the 751 samples analyzed, 11.7% (88/751) were positive in the IFA assay. The results indicate an occurrence of neosporosis in the studied region, as well as the possibility of transplacental transmission of the protozoon, characterizing an important mechanism of propagation for the disease.https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/37627SerumAbortionTransplacental transmission.
spellingShingle Caroline Zamperete Reginato
Fagner D'ambroso Fernandes
Patricia Braünig
Luís Antônio Sangioni
Fernanda Silveira Flores Vogel
Anti-Neospora caninum IgG in fetal bovine serum
Semina: Ciências Agrárias
Serum
Abortion
Transplacental transmission.
title Anti-Neospora caninum IgG in fetal bovine serum
title_full Anti-Neospora caninum IgG in fetal bovine serum
title_fullStr Anti-Neospora caninum IgG in fetal bovine serum
title_full_unstemmed Anti-Neospora caninum IgG in fetal bovine serum
title_short Anti-Neospora caninum IgG in fetal bovine serum
title_sort anti neospora caninum igg in fetal bovine serum
topic Serum
Abortion
Transplacental transmission.
url https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/37627
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AT patriciabraunig antineosporacaninumigginfetalbovineserum
AT luisantoniosangioni antineosporacaninumigginfetalbovineserum
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