Serological study of the Leptospira spp. infection in sheep and goats slaughtered in the State of Paraíba, semiarid of Northeastern Brazil
Autor(a) principal: | |
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Data de Publicação: | 2016 |
Outros Autores: | , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng por |
Título da fonte: | Semina. Ciências Agrárias (Online) |
Texto Completo: | https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/20974 |
Resumo: | The aim of this survey was to determine the frequency of anti-Leptospira spp. antibodies in goats and sheep slaughtered in different slaughterhouses in the State of Paraiba, in the semi-arid region of Northeastern Brazil. Blood samples were collected from 500 goats and 500 sheep randomly selected. To verify the presence of anti-Leptospira spp. antibodies the microscopic agglutination test (MAT), using 24 serovars as antigens, was used. From the 1,000 animals analyzed, 82 (8.2%; 95% CI = 7.0%-10.5%) were sero-reactive being 26/500 (5.2%; 95% CI = 3.5%-7.5%) in goats and 56/500 (11.2%; 95% CI = 8.7%-14.2%) in sheep. The most frequent serovars were Hardjobovis (14.6%) and Autumnalis (13.4%). In goats, the most frequent serovar was the Hardjobovis, and in sheep the Ballum, with frequencies of 19.2% and 17.9%, respectively. There was a significant difference in the frequency of positive animals among slaughterhouses, both for goats (p = 0.035) and for sheep (p = 0.004), with the county of Alhandra presenting the highest frequency of seropositive animals for both species. It is concluded that sheep and goats from the semiarid region of the Northeastern Brazil may have become adapted to the serovars Hardjobovis e Autumnalis, as well as wild rodents may be involved in the transmission of the disease. It is possible that the climatic conditions influenced in the transmissibility of the leptospirosis, especially in the Mata Paraibana mesoregion, however it was not considered as being sufficient to justify the low frequency of seropositive animals. In this way, it is possible to suggest the hypothesis that the rusticity of the small ruminants in the studied region contributed to the low sero-reactivity verified. |
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Serological study of the Leptospira spp. infection in sheep and goats slaughtered in the State of Paraíba, semiarid of Northeastern BrazilEstudo sorológico da infecção por Leptospira spp. em caprinos e ovinos abatidos no Estado da Paraíba, semiárido do Nordeste, BrasilAdaptabilityGoatsLeptospirosisSheepRusticity.AdaptabilidadeCaprinosLeptospiroseOvinosRusticidade.The aim of this survey was to determine the frequency of anti-Leptospira spp. antibodies in goats and sheep slaughtered in different slaughterhouses in the State of Paraiba, in the semi-arid region of Northeastern Brazil. Blood samples were collected from 500 goats and 500 sheep randomly selected. To verify the presence of anti-Leptospira spp. antibodies the microscopic agglutination test (MAT), using 24 serovars as antigens, was used. From the 1,000 animals analyzed, 82 (8.2%; 95% CI = 7.0%-10.5%) were sero-reactive being 26/500 (5.2%; 95% CI = 3.5%-7.5%) in goats and 56/500 (11.2%; 95% CI = 8.7%-14.2%) in sheep. The most frequent serovars were Hardjobovis (14.6%) and Autumnalis (13.4%). In goats, the most frequent serovar was the Hardjobovis, and in sheep the Ballum, with frequencies of 19.2% and 17.9%, respectively. There was a significant difference in the frequency of positive animals among slaughterhouses, both for goats (p = 0.035) and for sheep (p = 0.004), with the county of Alhandra presenting the highest frequency of seropositive animals for both species. It is concluded that sheep and goats from the semiarid region of the Northeastern Brazil may have become adapted to the serovars Hardjobovis e Autumnalis, as well as wild rodents may be involved in the transmission of the disease. It is possible that the climatic conditions influenced in the transmissibility of the leptospirosis, especially in the Mata Paraibana mesoregion, however it was not considered as being sufficient to justify the low frequency of seropositive animals. In this way, it is possible to suggest the hypothesis that the rusticity of the small ruminants in the studied region contributed to the low sero-reactivity verified.O objetivo deste estudo foi determinar a frequência de anticorpos anti-Leptospira spp. em caprinos e ovinos abatidos em diferentes matadouros no Estado da Paraíba, região semiárida do Nordeste brasileiro. Foi coletado sangue de 500 caprinos e 500 ovinos aleatoriamente selecionados. Para verificar a presença de anticorpos anti-Leptospira spp. empregou-se o teste soroaglutinação microscópica (SAM), utilizando-se 24 sorovares como antígenos. Dos 1.000 animais analisados 82 (8,2%; IC 95%= 7,0%-10,5%) foram sororreagentes, sendo 26/500 (5,2%; IC 95% =3,5%-7,5%) em caprinos e 56/500 (11,2%; IC 95% 8,7%-14,2%) em ovinos. Os sorovares mais frequentes foram Hardjobovis (14,6%) e Autumnalis (13,4%). Na espécie caprina, o sorovar mais frequente foi o Hardjobovis, e na espécie ovina o Ballum, com frequências de 19,2% e 17,9%, respectivamente. Houve diferença significativa na frequência de positivos entre os matadouros, tanto para caprinos (p = 0,035) quanto para ovinos (p = 0,004), com o município de Alhandra apresentando a maior frequência de soropositivos para ambas as espécies. Concluiu-se que ovinos e caprinos da região semiárida do Nordeste podem estar adaptados aos sorovares Hardjobovis e Autumnalis, bem como roedores silvestres estarem envolvidos na transmissão do agente. Possivelmente as condições climáticas influenciaram a transmissibilidade da leptospirose, especialmente na mesorregião da Mata Paraibana, entretanto isso não foi considerado suficiente para justificar a baixa frequência de animais soropositivos. Deste modo, é possível sugerir a hipótese de que a rusticidade dos pequenos ruminantes na região estudada contribui para a baixa sororreatividade verificada.UEL2016-04-26info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionPesquisa Empírica de Campoapplication/pdfimage/jpegimage/jpegapplication/pdfapplication/pdfhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/2097410.5433/1679-0359.2016v37n2p819Semina: Ciências Agrárias; Vol. 37 No. 2 (2016); 819-828Semina: Ciências Agrárias; v. 37 n. 2 (2016); 819-8281679-03591676-546Xreponame:Semina. Ciências Agrárias (Online)instname:Universidade Estadual de Londrina (UEL)instacron:UELengporhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/20974/18600https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/20974/35479https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/20974/35480https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/20974/36181https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/20974/37265Costa, Diego Figueiredo daSilva, Aline Ferreira daFarias, Areano Ethério Moreira deBrasil, Arthur Willian de LimaSantos, Fabrine Alexandre dosGuilherme, Ricardo de FigueiredoAzevedo, Sérgio Santos deAlves, Clebert Joséinfo:eu-repo/semantics/openAccess2016-05-11T14:45:47Zoai:ojs.pkp.sfu.ca:article/20974Revistahttp://www.uel.br/revistas/uel/index.php/semagrariasPUBhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/oaisemina.agrarias@uel.br1679-03591676-546Xopendoar:2016-05-11T14:45:47Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL)false |
dc.title.none.fl_str_mv |
Serological study of the Leptospira spp. infection in sheep and goats slaughtered in the State of Paraíba, semiarid of Northeastern Brazil Estudo sorológico da infecção por Leptospira spp. em caprinos e ovinos abatidos no Estado da Paraíba, semiárido do Nordeste, Brasil |
title |
Serological study of the Leptospira spp. infection in sheep and goats slaughtered in the State of Paraíba, semiarid of Northeastern Brazil |
spellingShingle |
Serological study of the Leptospira spp. infection in sheep and goats slaughtered in the State of Paraíba, semiarid of Northeastern Brazil Costa, Diego Figueiredo da Adaptability Goats Leptospirosis Sheep Rusticity. Adaptabilidade Caprinos Leptospirose Ovinos Rusticidade. |
title_short |
Serological study of the Leptospira spp. infection in sheep and goats slaughtered in the State of Paraíba, semiarid of Northeastern Brazil |
title_full |
Serological study of the Leptospira spp. infection in sheep and goats slaughtered in the State of Paraíba, semiarid of Northeastern Brazil |
title_fullStr |
Serological study of the Leptospira spp. infection in sheep and goats slaughtered in the State of Paraíba, semiarid of Northeastern Brazil |
title_full_unstemmed |
Serological study of the Leptospira spp. infection in sheep and goats slaughtered in the State of Paraíba, semiarid of Northeastern Brazil |
title_sort |
Serological study of the Leptospira spp. infection in sheep and goats slaughtered in the State of Paraíba, semiarid of Northeastern Brazil |
author |
Costa, Diego Figueiredo da |
author_facet |
Costa, Diego Figueiredo da Silva, Aline Ferreira da Farias, Areano Ethério Moreira de Brasil, Arthur Willian de Lima Santos, Fabrine Alexandre dos Guilherme, Ricardo de Figueiredo Azevedo, Sérgio Santos de Alves, Clebert José |
author_role |
author |
author2 |
Silva, Aline Ferreira da Farias, Areano Ethério Moreira de Brasil, Arthur Willian de Lima Santos, Fabrine Alexandre dos Guilherme, Ricardo de Figueiredo Azevedo, Sérgio Santos de Alves, Clebert José |
author2_role |
author author author author author author author |
dc.contributor.author.fl_str_mv |
Costa, Diego Figueiredo da Silva, Aline Ferreira da Farias, Areano Ethério Moreira de Brasil, Arthur Willian de Lima Santos, Fabrine Alexandre dos Guilherme, Ricardo de Figueiredo Azevedo, Sérgio Santos de Alves, Clebert José |
dc.subject.por.fl_str_mv |
Adaptability Goats Leptospirosis Sheep Rusticity. Adaptabilidade Caprinos Leptospirose Ovinos Rusticidade. |
topic |
Adaptability Goats Leptospirosis Sheep Rusticity. Adaptabilidade Caprinos Leptospirose Ovinos Rusticidade. |
description |
The aim of this survey was to determine the frequency of anti-Leptospira spp. antibodies in goats and sheep slaughtered in different slaughterhouses in the State of Paraiba, in the semi-arid region of Northeastern Brazil. Blood samples were collected from 500 goats and 500 sheep randomly selected. To verify the presence of anti-Leptospira spp. antibodies the microscopic agglutination test (MAT), using 24 serovars as antigens, was used. From the 1,000 animals analyzed, 82 (8.2%; 95% CI = 7.0%-10.5%) were sero-reactive being 26/500 (5.2%; 95% CI = 3.5%-7.5%) in goats and 56/500 (11.2%; 95% CI = 8.7%-14.2%) in sheep. The most frequent serovars were Hardjobovis (14.6%) and Autumnalis (13.4%). In goats, the most frequent serovar was the Hardjobovis, and in sheep the Ballum, with frequencies of 19.2% and 17.9%, respectively. There was a significant difference in the frequency of positive animals among slaughterhouses, both for goats (p = 0.035) and for sheep (p = 0.004), with the county of Alhandra presenting the highest frequency of seropositive animals for both species. It is concluded that sheep and goats from the semiarid region of the Northeastern Brazil may have become adapted to the serovars Hardjobovis e Autumnalis, as well as wild rodents may be involved in the transmission of the disease. It is possible that the climatic conditions influenced in the transmissibility of the leptospirosis, especially in the Mata Paraibana mesoregion, however it was not considered as being sufficient to justify the low frequency of seropositive animals. In this way, it is possible to suggest the hypothesis that the rusticity of the small ruminants in the studied region contributed to the low sero-reactivity verified. |
publishDate |
2016 |
dc.date.none.fl_str_mv |
2016-04-26 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Pesquisa Empírica de Campo |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/20974 10.5433/1679-0359.2016v37n2p819 |
url |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/20974 |
identifier_str_mv |
10.5433/1679-0359.2016v37n2p819 |
dc.language.iso.fl_str_mv |
eng por |
language |
eng por |
dc.relation.none.fl_str_mv |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/20974/18600 https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/20974/35479 https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/20974/35480 https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/20974/36181 https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/20974/37265 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf image/jpeg image/jpeg application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
UEL |
publisher.none.fl_str_mv |
UEL |
dc.source.none.fl_str_mv |
Semina: Ciências Agrárias; Vol. 37 No. 2 (2016); 819-828 Semina: Ciências Agrárias; v. 37 n. 2 (2016); 819-828 1679-0359 1676-546X reponame:Semina. Ciências Agrárias (Online) instname:Universidade Estadual de Londrina (UEL) instacron:UEL |
instname_str |
Universidade Estadual de Londrina (UEL) |
instacron_str |
UEL |
institution |
UEL |
reponame_str |
Semina. Ciências Agrárias (Online) |
collection |
Semina. Ciências Agrárias (Online) |
repository.name.fl_str_mv |
Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL) |
repository.mail.fl_str_mv |
semina.agrarias@uel.br |
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1750315421878190080 |