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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agrossilvipastoril. Para informações adicionais entre em contato com cpamt.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Agrossilvipastoril. |
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Data corrente: |
29/01/2018 |
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Data da última atualização: |
31/01/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
NICOLINO, R. R.; OLIVEIRA, C. S. F. de; LOPES, L. B.; RODRIGUES, R. O.; HADDAD, J. P. A. |
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Afiliação: |
RAFAEL ROMERO NICOLINO, UFVJM; CAMILA STEFANIE FONSECA DE OLIVEIRA, UNIBH; LUCIANO BASTOS LOPES, CPAMT; ROGÉRIO OLIVEIRA RODRIGUES, SECRETARIA AGRICULTURA-RS; JOÃO PAULO AMARAL HADDAD, UFMG. |
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Título: |
Prevalence and risk factors associated with anti-Neospora caninum antibodies in dairy herds in the central region of Minas Gerais State, Brazil. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Veterinary Parasitology: Regional Studies and Reports, v. 10, p. 71-74, 2017. |
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ISSN: |
2405-9390 |
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DOI: |
http://dx.doi.org/10.1016/j.vprsr.2017.08.008 |
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Idioma: |
Inglês |
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Conteúdo: |
Neospora caninum is one of the parasites that frequently causes reproductive loses in cattle herds all over the world. Surveys have shown a high prevalence of the parasite in herds; in certain locations, 90% to 100% of dairy holdings are positives according serological tests. The aim of this study was to estimate the prevalence and risk factors associated with the increased number of seropositive dairy cattle in the central region of Minas Gerais, the largest milk producer state in Brazil. Samples were collected from 151 dairy herds and from 2915 lactating cows, and were evaluated by an indirect ELISA assay. According to results, animal prevalence was 21.9% (CI 95%: 18.9 to 24.9%), while the herd prevalence it was 98.5% (CI 95%: 97.0 to 99.9%). Poisson regression estimate the herd risk factors associated with the increased number of cases. An increased number of positive animals was related to the previous history of abortion and the presence of dogs. The use of individual natural colostrum feeding and reproductive techniques such as embryo transfer and in vitro fertilization are associated with a reduced number of seropositive animals in the herd. In conclusion, Neospora caninum is overspread across the dairy herds of the region, and it may be causing major economic losses for dairy farmers. The use of reproduction techniques, the access of dogs to the herds and the management of calf colostrum are important issues to be considered in the control of the disease. |
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Palavras-Chave: |
Dairy herd; Minas Gerais. |
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Thesagro: |
Neospora Caninum. |
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Thesaurus Nal: |
Prevalence; Risk factors. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 02328naa a2200253 a 4500
001 2086598
005 2018-01-31
008 2017 bl uuuu u00u1 u #d
022 $a2405-9390
024 7 $ahttp://dx.doi.org/10.1016/j.vprsr.2017.08.008$2DOI
100 1 $aNICOLINO, R. R.
245 $aPrevalence and risk factors associated with anti-Neospora caninum antibodies in dairy herds in the central region of Minas Gerais State, Brazil.$h[electronic resource]
260 $c2017
520 $aNeospora caninum is one of the parasites that frequently causes reproductive loses in cattle herds all over the world. Surveys have shown a high prevalence of the parasite in herds; in certain locations, 90% to 100% of dairy holdings are positives according serological tests. The aim of this study was to estimate the prevalence and risk factors associated with the increased number of seropositive dairy cattle in the central region of Minas Gerais, the largest milk producer state in Brazil. Samples were collected from 151 dairy herds and from 2915 lactating cows, and were evaluated by an indirect ELISA assay. According to results, animal prevalence was 21.9% (CI 95%: 18.9 to 24.9%), while the herd prevalence it was 98.5% (CI 95%: 97.0 to 99.9%). Poisson regression estimate the herd risk factors associated with the increased number of cases. An increased number of positive animals was related to the previous history of abortion and the presence of dogs. The use of individual natural colostrum feeding and reproductive techniques such as embryo transfer and in vitro fertilization are associated with a reduced number of seropositive animals in the herd. In conclusion, Neospora caninum is overspread across the dairy herds of the region, and it may be causing major economic losses for dairy farmers. The use of reproduction techniques, the access of dogs to the herds and the management of calf colostrum are important issues to be considered in the control of the disease.
650 $aPrevalence
650 $aRisk factors
650 $aNeospora Caninum
653 $aDairy herd
653 $aMinas Gerais
700 1 $aOLIVEIRA, C. S. F. de
700 1 $aLOPES, L. B.
700 1 $aRODRIGUES, R. O.
700 1 $aHADDAD, J. P. A.
773 $tVeterinary Parasitology: Regional Studies and Reports$gv. 10, p. 71-74, 2017.
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