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| Registros recuperados : 17 | |
| 2. |  | SCARPARO, A. P.; MARSARO JÚNIOR, A. L.; PEREIRA, P. R. V. da S. Flutuação populacional de afídeos na cultura da canola, em Passo Fundo, RS, na safra de inverno de 2015. In: MOSTRA DE INICIAÇÃO CIENTÍFICA, 11.; MOSTRA DE PÓS-GRADUAÇÃO DA EMBRAPA TRIGO, 8., 2016, Passo Fundo. Resumos... Brasília, DF: Embrapa, 2016. p. 30.| Biblioteca(s): Embrapa Trigo. |
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| 3. | | SCARPARO, A. P.; MARSARO JÚNIOR, A. L.; PEREIRA, P. R. V. da S. Flutuação populacional de Plutella xylostella (L.) na cultura da canola, em Passo Fundo, RS, na safra de inverno de 2016. In: MOSTRA DE INICIAÇÃO CIENTÍFICA, 12.; MOSTRA DE PÓS-GRADUAÇÃO DA EMBRAPA TRIGO, 9., 2017, Passo Fundo. Resumos... Passo Fundo: Embrapa Trigo, 2017. p. 37.| Biblioteca(s): Embrapa Florestas. |
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| 4. | | SCARPARO, A. P.; MARSARO JÚNIOR, A. L.; PEREIRA, P. R. V. da S. Flutuação populacional de Plutella xylostella (L.) na cultura da canola, em Passo Fundo, RS, na safra de inverno de 2016. In: MOSTRA DE INICIAÇÃO CIENTÍFICA, 12.; MOSTRA DE PÓS-GRADUAÇÃO DA EMBRAPA TRIGO, 9., 2017, Passo Fundo. Resumos... Passo Fundo: Embrapa Trigo, 2017. p. 37.| Biblioteca(s): Embrapa Trigo. |
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| 5. | | MARSARO JUNIOR, A. L.; PEREIRA, P. R. V. da S.; SCARPARO, A. P.; PICANÇO, M. C. Flutuação populacional de Plutella xylostella (L.) (Lepidoptera: Plutellidae) na cultura da canola, em Passo Fundo - RS. Revista Científica Intelletto, Venda Nova do Imigrante, ES, v. 7, n. 1, p. 76-82, 2022. Disponível em: https://revista.grupofaveni.com.br/index.php/revista-intelletto/article/view/647. Acesso em: 25 maio. 2023.| Biblioteca(s): Embrapa Trigo. |
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| 6. | | DOSSA, C. C. K.; SCARPARO, A. P.; PEREIRA, P. R. V. da S. Biologia de Rhopalosiphum Padi (Hemiptera:Aphididae) em diferentes temperaturas e cultivares de trigo. In: MOSTRA DE INICIAÇÃO CIENTÍFICA DA EMBRAPA TRIGO, 8.; MOSTRA DE PÓS-GRADUAÇÃO DA EMBRAPA TRIGO, 5., 2013, Passo Fundo. Resumos... Brasília, DF: Embrapa, 2013. p. 18. Editores técnicos: Joseani Mesquita Antunes, Ana Lídia Variani Bonato, Márcia Barrocas Moreira Pimentel.| Biblioteca(s): Embrapa Trigo. |
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| 7. | | SCARPARO, A. P.; DOSSA, C. C. K.; PEREIRA, P. R. V. da S. Uso da técnica EPG para monitoramento do comportamento alimentar de afídeos nas cultivares de trigo Embrapa 16 e BRS Timbaúva. In: MOSTRA DE INICIAÇÃO CIENTÍFICA DA EMBRAPA TRIGO, 8.; MOSTRA DE PÓS-GRADUAÇÃO DA EMBRAPA TRIGO, 5., 2013, Passo Fundo. Resumos... Brasília, DF: Embrapa, 2013. p. 50. Editores técnicos: Joseani Mesquita Antunes, Ana Lídia Variani Bonato, Márcia Barrocas Moreira Pimentel.| Biblioteca(s): Embrapa Trigo. |
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| 9. | | SCARPARO, A. P.; MARSARO JÚNIOR, A. L.; PEREIRA, P. R. V. da S.; STRIEDER, M. L.; PIRES, J. L. F. Flutuação populacional de pragas e predadores na cultura da soja, em Passo Fundo, RS, na safra de verão (2014/2015). In: MOSTRA DE INICIAÇÃO CIENTÍFICA, 10., MOSTRA DE PÓS-GRADUAÇÃO DA EMBRAPA TRIGO, 7., 2015, Passo Fundo. Resumos... Brasília, DF: Embrapa, 2015. Graduação. p. 31.| Biblioteca(s): Embrapa Trigo. |
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| 10. | | PIVATO, J.; LAU, D.; LINS, E.; SCARPARO, A. P.; RIEDER, R.; FERNANDES, J. M. C.; PEREIRA, P. R. V. da S. Método rápido para avaliação da resistência de plantas a afídeos por análise de imagem. In: MOSTRA DE INICIAÇÃO CIENTÍFICA, 12.; MOSTRA DE PÓS-GRADUAÇÃO DA EMBRAPA TRIGO, 9., 2017, Passo Fundo. Resumos... Passo Fundo: Embrapa Trigo, 2017. p. 23.| Biblioteca(s): Embrapa Trigo. |
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| 12. | | MARSARO JÚNIOR, A. L.; PEREIRA, P. R. V. da S.; TAVARES, M. T.; CARVALHO, R. C. Z. de; SCARPARO, A. P. Ocorrência de parasitoides e hiperparasitoides de espécies de afídeos (Hemiptera, Aphididae) associadas à cultura da canola em Passo Fundo, Rio Grande do Sul. In: CONGRESSO BRASILEIRO DE ENTOMOLOGIA, 26.; CONGRESSO LATINO-AMERICANO DE ENTOMOLOGIA, 9., 2016, Maceió, AL. Anais... Brasília, DF: Embrapa, 2016. p. 529.| Biblioteca(s): Embrapa Trigo. |
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| 13. | | SCARPARO, A. P.; DE MORI, C.; MARSARO JÚNIOR, A. L.; FERREIRA, P. E. P.; PEREIRA, P. R. V. da S.; TOMM, G. O. Caracterização do manejo de insetos-praga adotado por produtores rurais no cultivo da canola no PR e RS. In: MOSTRA DE INICIAÇÃO CIENTÍFICA, 11.; MOSTRA DE PÓS-GRADUAÇÃO DA EMBRAPA TRIGO, 8., 2016, Passo Fundo. Resumos... Brasília, DF: Embrapa, 2016. p. 43.| Biblioteca(s): Embrapa Trigo. |
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| 14. | | CAMPOS, A. C. T. de; SCARPARO, A. P.; PIVATO, J.; PEREIRA, P. R. V. da S.; MARSARO JÚNIOR, A. L.; LAU, D. Danos em trigo, causados por Sitophilus oryzae (Col.: Curculionidae) e Rhyzopertha dominica (Col.: Bostrichidae), quando armazenado em diferentes temperaturas e exposto a diferentes níveis de infestação. In: MOSTRA DE INICIAÇÃO CIENTÍFICA, 12.; MOSTRA DE PÓS-GRADUAÇÃO DA EMBRAPA TRIGO, 9., 2017, Passo Fundo. Resumos... Passo Fundo: Embrapa Trigo, 2017. p. 48.| Biblioteca(s): Embrapa Trigo. |
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| 16. | | MARSARO JÚNIOR, A. L.; PEREIRA, P. R. V. da S.; PIRES, J. L. F.; STRIEDER, M. L.; DE MORI, C.; SCARPARO, A. P.; LAU, D.; PANIZZI, A. R. Manejo de insetos pragas na sucessão trigo-soja em Passo Fundo, RS. Passo Fundo: Embrapa Trigo, 2017. 31 p. (Embrapa Trigo. Documentos online, 169).| Biblioteca(s): Embrapa Trigo. |
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| 17. | | LAU, D.; PEREIRA, P. R. V. da S.; LINS, E. A.; RIEDER, R.; PIVATO, J.; SCARPARO, A. P.; LIMA, M. B.; FERNANDES, J. M. C. Semi-automatic method for evaluating aphid-resistant wheat genotypes using image analysis. In: INTERNATIONAL PLANT RESISTANCE TO INSECTS SYMPOSIUM, 23., 2018, Harpenden. [Abstracts...]. Harpenden: Rothamsted Research, 2018. p. 44. Oral presentations.| Biblioteca(s): Embrapa Trigo. |
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| Registros recuperados : 17 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
26/09/2019 |
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Data da última atualização: |
07/11/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
AZEVEDO, D. A. A. de; PINHEIRO, R. R.; SANTOS, V. W. S. dos; DAMASCENO, E. M.; SOUSA, A. L. M. de; ARAÚJO, J. F.; ANDRIOLI, A.; SIDER, L. H.; PEIXOTO, R. M.; TEIXEIRA, M. F. da S. |
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Afiliação: |
DALVA ALANA ARAGÃO DE AZEVEDO, Pós-graduação - Universidade Estadual do Ceará (UECE) - Fortaleza, CE, Brasil; RAYMUNDO RIZALDO PINHEIRO, CNPC; VANDERLAN WARLINGTON SOUZA DOS SANTOS, Pós-graduação - Universidade Federal Rural do Semiárido (UFERSA) - Mossoró, RN, Brasil; EDGAR MARQUES DAMASCENO, Pós-Graduação - Universidade Estadual Vale do Acaraú (UVA), Sobral, CE, Brasil; ANA LÍDIA MADEIRA DE SOUSA; JUSCILÂNIA FURTADO ARAÚJO, Rede de Biotecnologia do Nordeste (RENORBIO), UECE, Fortaleza, CE, Brasil; ALICE ANDRIOLI, CNPC; LUCIA HELENA SIDER, CNPC; RENATO MESQUITA PEIXOTO, Pós-graduação - Universidade Federal do Acre (UFAC) - Rio Branco, AC, Brasil.; MARIA FÁTIMA DA SILVA TEIXEIRA, Pós-graduação - Universidade Estadual do Ceará (UECE) - Fortaleza, CE, Brazil. |
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Título: |
Comparação de testes sorológicos e molecular para diagnóstico da Artrite Encefalite Caprina e avaliação clínica da glândula mamária de caprinos leiteiros infectados. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Acta Scientiae Veterinariae, v. 47, Pub. 1668, 2019. |
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Idioma: |
Português |
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Conteúdo: |
Background: Caprine Arthritis Encephalitis (CAE) is a disease that causes productive losses in dairy goat flocks due to the reduction in milk production, followed by lesions in joints and mammary glands. An early diagnosis is essential, considering that there is frequent occurrence of asymptomatic animals. Hence, this study aimed to perform a comparison of immunological and molecular based diagnostic tests, represented by Agar Gel Immunodiffusion (AGID), Western Blot (WB) and nested Polymerase Chain Reaction (nPCR). In addition, the mammary glands (MG) of dairy goats were clinically evaluated. Materials, Methods & Results: Blood collection and clinical examination were performed in 1191 dairy goats of 12 farms located in Northeastern and Southeastern regions of Brazil. Serological (AGID, WB) and molecular (nPCR) test results were compared and the data, along with MG alterations, were analyzed using Epi-info 7 and WinEpiscope 2.0. Seroprevalence in AGID test was 41.14% (490/1191). In WB, 51.47% (613/1191) of animals were seropositive and nPCR detected 69.44% (827/1191) positive animals. Hence, WB was more sensitive (P < 0.001) than AGID. However, nPCR detected more positive animals than AGID (P < 0.001) and WB (P < 0.001). The analysis of mammary glands revealed that 105 out of 1096 nanny goats presented alterations, of which 101 presented altered consistency, 16 presented elevated temperatures and 60 had enlarged retromammary lymph nodes. There was significant statistic difference (P < 0.05) only when comparing the results of serological tests with MG alterations. Discussion: In general, AGID technique is most frequently used when screening flocks for the disease due to the practicality and low cost this test presents. However, the results demonstrated that AGID detected the lowest number of positive animals. This low sensitivity that the test presented may be attributed to its antigen-antibody interaction mechanism, considering that agar gel precipitation requires multiple interactions. In addition, WB was more effective than AGID in detecting antibodies. On the other hand, nPCR was important for the detection of infected animals that serological tests failed to detect. The intermittence of immunological response observed in the serological tests may be explained by the variation of antibodies levels that may occur during life. Likewise, viral compartmentalization would justify the intermittent detection of proviral DNA. Hence, the results can be influenced by the viral intermittence, test sensitivity, late seroconversion and statistic values that can be calculated (sensitivity, specificity, positive predictive value, negative predictive level and kappa). Crossing the results of the diagnostic tests with the different mammary gland alterations, it was shown that there was a statistically significant difference (P <0.05) only in the comparison of the results of the serological tests with GM alterations. Everything indicates that the humoral or cellular immune system being on stimulus is more propitious to find these changes. In conclusion, WB was more sensitive than AGID and, considering that nPCR can detect a larger number of animals infected with the goat lentivirus, it must be associated with a sensible serological test, such as Western Blot. In addition, infected animals have alterations in MG, which is more frequent in cases with positive serological. [Comparison of serological and molecular tests for diagnosis of caprine arthritis encephalitis and clinical evaluation of mammary glands of infected dairy goats]. MenosBackground: Caprine Arthritis Encephalitis (CAE) is a disease that causes productive losses in dairy goat flocks due to the reduction in milk production, followed by lesions in joints and mammary glands. An early diagnosis is essential, considering that there is frequent occurrence of asymptomatic animals. Hence, this study aimed to perform a comparison of immunological and molecular based diagnostic tests, represented by Agar Gel Immunodiffusion (AGID), Western Blot (WB) and nested Polymerase Chain Reaction (nPCR). In addition, the mammary glands (MG) of dairy goats were clinically evaluated. Materials, Methods & Results: Blood collection and clinical examination were performed in 1191 dairy goats of 12 farms located in Northeastern and Southeastern regions of Brazil. Serological (AGID, WB) and molecular (nPCR) test results were compared and the data, along with MG alterations, were analyzed using Epi-info 7 and WinEpiscope 2.0. Seroprevalence in AGID test was 41.14% (490/1191). In WB, 51.47% (613/1191) of animals were seropositive and nPCR detected 69.44% (827/1191) positive animals. Hence, WB was more sensitive (P < 0.001) than AGID. However, nPCR detected more positive animals than AGID (P < 0.001) and WB (P < 0.001). The analysis of mammary glands revealed that 105 out of 1096 nanny goats presented alterations, of which 101 presented altered consistency, 16 presented elevated temperatures and 60 had enlarged retromammary lymph nodes. There was significant statistic diff... Mostrar Tudo |
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Palavras-Chave: |
CAE; Caprino leiteiro; Detecção; Exame clínico; Lentivírus caprino. |
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Thesagro: |
Cabra Leiteira; Caprino; Doença Animal; Vírus. |
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Thesaurus NAL: |
Caprine arthritis encephalitis virus; Clinical examination; Dairy goats; Detection; Goat diseases; Lentivirus. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/202345/1/cnpc-2019-Comparacao.pdf
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Marc: |
LEADER 04823naa a2200409 a 4500
001 2112509
005 2019-11-07
008 2019 bl uuuu u00u1 u #d
100 1 $aAZEVEDO, D. A. A. de
245 $aComparação de testes sorológicos e molecular para diagnóstico da Artrite Encefalite Caprina e avaliação clínica da glândula mamária de caprinos leiteiros infectados.$h[electronic resource]
260 $c2019
520 $aBackground: Caprine Arthritis Encephalitis (CAE) is a disease that causes productive losses in dairy goat flocks due to the reduction in milk production, followed by lesions in joints and mammary glands. An early diagnosis is essential, considering that there is frequent occurrence of asymptomatic animals. Hence, this study aimed to perform a comparison of immunological and molecular based diagnostic tests, represented by Agar Gel Immunodiffusion (AGID), Western Blot (WB) and nested Polymerase Chain Reaction (nPCR). In addition, the mammary glands (MG) of dairy goats were clinically evaluated. Materials, Methods & Results: Blood collection and clinical examination were performed in 1191 dairy goats of 12 farms located in Northeastern and Southeastern regions of Brazil. Serological (AGID, WB) and molecular (nPCR) test results were compared and the data, along with MG alterations, were analyzed using Epi-info 7 and WinEpiscope 2.0. Seroprevalence in AGID test was 41.14% (490/1191). In WB, 51.47% (613/1191) of animals were seropositive and nPCR detected 69.44% (827/1191) positive animals. Hence, WB was more sensitive (P < 0.001) than AGID. However, nPCR detected more positive animals than AGID (P < 0.001) and WB (P < 0.001). The analysis of mammary glands revealed that 105 out of 1096 nanny goats presented alterations, of which 101 presented altered consistency, 16 presented elevated temperatures and 60 had enlarged retromammary lymph nodes. There was significant statistic difference (P < 0.05) only when comparing the results of serological tests with MG alterations. Discussion: In general, AGID technique is most frequently used when screening flocks for the disease due to the practicality and low cost this test presents. However, the results demonstrated that AGID detected the lowest number of positive animals. This low sensitivity that the test presented may be attributed to its antigen-antibody interaction mechanism, considering that agar gel precipitation requires multiple interactions. In addition, WB was more effective than AGID in detecting antibodies. On the other hand, nPCR was important for the detection of infected animals that serological tests failed to detect. The intermittence of immunological response observed in the serological tests may be explained by the variation of antibodies levels that may occur during life. Likewise, viral compartmentalization would justify the intermittent detection of proviral DNA. Hence, the results can be influenced by the viral intermittence, test sensitivity, late seroconversion and statistic values that can be calculated (sensitivity, specificity, positive predictive value, negative predictive level and kappa). Crossing the results of the diagnostic tests with the different mammary gland alterations, it was shown that there was a statistically significant difference (P <0.05) only in the comparison of the results of the serological tests with GM alterations. Everything indicates that the humoral or cellular immune system being on stimulus is more propitious to find these changes. In conclusion, WB was more sensitive than AGID and, considering that nPCR can detect a larger number of animals infected with the goat lentivirus, it must be associated with a sensible serological test, such as Western Blot. In addition, infected animals have alterations in MG, which is more frequent in cases with positive serological. [Comparison of serological and molecular tests for diagnosis of caprine arthritis encephalitis and clinical evaluation of mammary glands of infected dairy goats].
650 $aCaprine arthritis encephalitis virus
650 $aClinical examination
650 $aDairy goats
650 $aDetection
650 $aGoat diseases
650 $aLentivirus
650 $aCabra Leiteira
650 $aCaprino
650 $aDoença Animal
650 $aVírus
653 $aCAE
653 $aCaprino leiteiro
653 $aDetecção
653 $aExame clínico
653 $aLentivírus caprino
700 1 $aPINHEIRO, R. R.
700 1 $aSANTOS, V. W. S. dos
700 1 $aDAMASCENO, E. M.
700 1 $aSOUSA, A. L. M. de
700 1 $aARAÚJO, J. F.
700 1 $aANDRIOLI, A.
700 1 $aSIDER, L. H.
700 1 $aPEIXOTO, R. M.
700 1 $aTEIXEIRA, M. F. da S.
773 $tActa Scientiae Veterinariae$gv. 47, Pub. 1668, 2019.
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Embrapa Caprinos e Ovinos (CNPC) |
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