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Registro Completo |
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Biblioteca(s): |
Embrapa Agrossilvipastoril. |
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Data corrente: |
16/02/2024 |
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Data da última atualização: |
16/02/2024 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
IKEDA, F. S.; CAVALIERI, S. D.; FUJIMORI, I. S. T.; SILVA, I. N. da; CONTESINI, M. E.; BASILIO, E. R.; SILVA, J. C. F. da; FAVARO, L.; IEKA, L. V. F.; BAUERMANN, G. S. |
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Afiliação: |
FERNANDA SATIE IKEDA, CPAMT; SIDNEI DOUGLAS CAVALIERI, CNPA; IAGO SHOHEI TOYOMOTO FUJIMORI, UNIVERSIDADE FEDERAL DE MATO GROSSO; ISABELA NOBRE DA SILVA, UNIVERSIDADE FEDERAL DE MATO GROSSO; MARIA EDUARDA CONTESINI, UNIVERSIDADE FEDERAL DE MATO GROSSO; EULÁLIA RORATTO BASILIO; JÚNIOR CÉSAR FRAGA DA SILVA; LEONARDO FAVARO, FACULDADE FASIPE; LAURA VITÓRIA FERNANDES IEKA, UNIVERSIDADE FEDERAL DE MATO GROSSO; GUSTAVO SPEZIA BAUERMANN, UNIVERSIDADE FEDERAL DE MATO GROSSO. |
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Título: |
Seletividade inicial de herbicidas em pré-emergência em cultivares de gergelim. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
In: SIMPÓSIO DE HERBICIDAS E TECNOLOGIAS ASSOCIADAS, 2., 2023, Jaboticabal, SP. Anais... Jaboticabal, SP: Simpoherbi, 2023. |
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Idioma: |
Português |
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Thesagro: |
Erva Daninha. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 00731nam a2200217 a 4500
001 2162078
005 2024-02-16
008 2023 bl uuuu u00u1 u #d
100 1 $aIKEDA, F. S.
245 $aSeletividade inicial de herbicidas em pré-emergência em cultivares de gergelim.$h[electronic resource]
260 $aIn: SIMPÓSIO DE HERBICIDAS E TECNOLOGIAS ASSOCIADAS, 2., 2023, Jaboticabal, SP. Anais... Jaboticabal, SP: Simpoherbi$c2023
650 $aErva Daninha
700 1 $aCAVALIERI, S. D.
700 1 $aFUJIMORI, I. S. T.
700 1 $aSILVA, I. N. da
700 1 $aCONTESINI, M. E.
700 1 $aBASILIO, E. R.
700 1 $aSILVA, J. C. F. da
700 1 $aFAVARO, L.
700 1 $aIEKA, L. V. F.
700 1 $aBAUERMANN, G. S.
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Registro original: |
Embrapa Agrossilvipastoril (CPAMT) |
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Registro Completo
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
21/03/2018 |
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Data da última atualização: |
21/03/2018 |
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Autoria: |
NOVO, S. M. F.; COSTA, J. F. dos R.; BACCILI, C. C.; SOBREIRA, N. M.; MAIA, M. A.; LEITE, S. B. P.; HURLEY, D. J.; GOMES, V. |
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Afiliação: |
Sylvia M. F. Novo, Departamento de Medicina Interna/Faculdade de Medicina Veterinária e Zootecnia/Universidade de São Paulo; Juliana F. dos R. Costa, Departamento de Medicina Interna/Faculdade de Medicina Veterinária e Zootecnia/Universidade de São Paulo; Camila C. Baccili, Departamento de Medicina Interna/Faculdade de Medicina Veterinária e Zootecnia/Universidade de São Paulo; Natália M. Sobreira, Departamento de Medicina Interna/Faculdade de Medicina Veterinária e Zootecnia/Universidade de São Paulo; Milena A. Maia, Departamento de Medicina Interna/Faculdade de Medicina Veterinária e Zootecnia/Universidade de São Paulo; Stephanie B. P. Leite, Departamento de Medicina Interna/Faculdade de Medicina Veterinária e Zootecnia/Universidade de São Paulo; David J. Hurley, Departamento de Medicina Interna/Faculdade de Medicina Veterinária e Zootecnia/Universidade de São Paulo; Viviani Gomes, Departamento de Medicina Interna/Faculdade de Medicina Veterinária e Zootecnia/Universidade de São Paulo. |
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Título: |
Specific immune response in neonate Holstein heifer calves fed fresh or frozen colostrum. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Pesquisa Veterinária Brasileira, Brasília, DF, v. 37, n. 12, p. 1385-1394, dezembro. 2017. |
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Idioma: |
Inglês |
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Notas: |
Título em português: Resposta imune específica em bezerras holandesas recém-nascidas alimentadas com colostro fresco ou congelado. |
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Conteúdo: |
The objective of this study was to evaluate the influence of viable cells from colostrum on immune development in dairy heifer calves during the first 28 days of life. The animals were distributed between 2 groups: COL+ (n=9) receiving fresh whole colostrum from their own damns; and COL- (n=10) receiving pooled frozen colostrum, containing no viable cells, from a pool of donor cows. These calves were assessed before colostrum intake (D0), 48 hours of age (D2), and weekly from D7 to D28. The development of immunity was evaluated by assessment of the phenotype of blood leukocyte ubsets, and induced ytokine production after 72 hours of stimulation in culture with concanavalin A (ConA killed Staphylococcus aureus (S.aureus) and killed Escherichia coli (E. coli) by peripheral blood mononuclear cell (PBMC). The clinical history of these calves was marked by a high frequency of diarrhea in both groups. However, COL- had greater diarrhea intensity scores (fecal score~3 of 4), and rectal temperature on D7 than COL+ calves. Moreover, bronchopneumonia (n=1) and navel inflammation were observed only in COL- calves. COL- had a lower concentration of serum iron, and a higher absolute number of lymphocytes on D7 than COL+. COL- also had a higher percentage of anemic calves than the COL+ calves on D21 and D28. In general, the percent of cells within each subset of leukocytes was similar between the groups over the experiment, except on week 1 when COL- calves had a higher percentage of lymphocytes expressing CD45RO+ (P=0.07). A steady increase in CD45RO+ and concomitant decline in CD45RO- leukocytes was observed over the course of the study, indicating the development of immune memory. The proportion of CD14MHCII+ leukocytes increased with age (P≤0.05). The median background cytokine production by PBMC that were not stimulated was below the level of detection of the assays used for both groups. The PBMC from COL+ calves stimulated with ConA secreted a larger quantity of IL-17 week 2 (COL+=2060.0pg/mL and COL-=0.0pg/mL, P=0.00). PBMC from COL+ calves stimulated with killed S. aureus whole cell antigen (P=0.05) and killed E. coli whole cell antigen (P=0.05) also secreted higher levels of IL17 than COL- calves at week 4. Clear production of IL17 was observed in PBML from COL+ calves at week 2, but the difference was not statistical different between groups. In conclusion, calves fed fresh and frozen colostrum showed no difference in cells subset profile overall. The increased percentage of leukocytes expressing the memory CD45RO+ or CD14MHCII+ over the course of the experiment indicated a maturation of the adaptive immune response after natural exposure to pathogens in the imenvironment of the calf. The enhanced IL17 secretion by COL+ calves indicated that viable maternal cells modulated T-cell Th17 production that was primed by bacterial antigens. This mechanism could be responsible for quick and efficient activation of neutrophils for bacterial clearance. The differences in cytokine production observed between groups may help to explain the different clinical pictures observed for calves COL+ and COL- calves . MenosThe objective of this study was to evaluate the influence of viable cells from colostrum on immune development in dairy heifer calves during the first 28 days of life. The animals were distributed between 2 groups: COL+ (n=9) receiving fresh whole colostrum from their own damns; and COL- (n=10) receiving pooled frozen colostrum, containing no viable cells, from a pool of donor cows. These calves were assessed before colostrum intake (D0), 48 hours of age (D2), and weekly from D7 to D28. The development of immunity was evaluated by assessment of the phenotype of blood leukocyte ubsets, and induced ytokine production after 72 hours of stimulation in culture with concanavalin A (ConA killed Staphylococcus aureus (S.aureus) and killed Escherichia coli (E. coli) by peripheral blood mononuclear cell (PBMC). The clinical history of these calves was marked by a high frequency of diarrhea in both groups. However, COL- had greater diarrhea intensity scores (fecal score~3 of 4), and rectal temperature on D7 than COL+ calves. Moreover, bronchopneumonia (n=1) and navel inflammation were observed only in COL- calves. COL- had a lower concentration of serum iron, and a higher absolute number of lymphocytes on D7 than COL+. COL- also had a higher percentage of anemic calves than the COL+ calves on D21 and D28. In general, the percent of cells within each subset of leukocytes was similar between the groups over the experiment, except on week 1 when COL- calves had a higher percentage of lymp... Mostrar Tudo |
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Palavras-Chave: |
Bezerras recém-nascidas; Citocinas; Lymphocytes subsets; Neonate calves; Passive immune transfer; Subpopulações de linfócitos; Transferência de imunidade passiva. |
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Thesagro: |
Colostro. |
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Thesaurus NAL: |
Colostrum; Cytokines; Immune response. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/174265/1/Specific-immune-response-in-neonate-Holstein.pdf
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Marc: |
LEADER 04333naa a2200349 a 4500
001 2089563
005 2018-03-21
008 2017 bl uuuu u00u1 u #d
100 1 $aNOVO, S. M. F.
245 $aSpecific immune response in neonate Holstein heifer calves fed fresh or frozen colostrum.$h[electronic resource]
260 $c2017
500 $aTítulo em português: Resposta imune específica em bezerras holandesas recém-nascidas alimentadas com colostro fresco ou congelado.
520 $aThe objective of this study was to evaluate the influence of viable cells from colostrum on immune development in dairy heifer calves during the first 28 days of life. The animals were distributed between 2 groups: COL+ (n=9) receiving fresh whole colostrum from their own damns; and COL- (n=10) receiving pooled frozen colostrum, containing no viable cells, from a pool of donor cows. These calves were assessed before colostrum intake (D0), 48 hours of age (D2), and weekly from D7 to D28. The development of immunity was evaluated by assessment of the phenotype of blood leukocyte ubsets, and induced ytokine production after 72 hours of stimulation in culture with concanavalin A (ConA killed Staphylococcus aureus (S.aureus) and killed Escherichia coli (E. coli) by peripheral blood mononuclear cell (PBMC). The clinical history of these calves was marked by a high frequency of diarrhea in both groups. However, COL- had greater diarrhea intensity scores (fecal score~3 of 4), and rectal temperature on D7 than COL+ calves. Moreover, bronchopneumonia (n=1) and navel inflammation were observed only in COL- calves. COL- had a lower concentration of serum iron, and a higher absolute number of lymphocytes on D7 than COL+. COL- also had a higher percentage of anemic calves than the COL+ calves on D21 and D28. In general, the percent of cells within each subset of leukocytes was similar between the groups over the experiment, except on week 1 when COL- calves had a higher percentage of lymphocytes expressing CD45RO+ (P=0.07). A steady increase in CD45RO+ and concomitant decline in CD45RO- leukocytes was observed over the course of the study, indicating the development of immune memory. The proportion of CD14MHCII+ leukocytes increased with age (P≤0.05). The median background cytokine production by PBMC that were not stimulated was below the level of detection of the assays used for both groups. The PBMC from COL+ calves stimulated with ConA secreted a larger quantity of IL-17 week 2 (COL+=2060.0pg/mL and COL-=0.0pg/mL, P=0.00). PBMC from COL+ calves stimulated with killed S. aureus whole cell antigen (P=0.05) and killed E. coli whole cell antigen (P=0.05) also secreted higher levels of IL17 than COL- calves at week 4. Clear production of IL17 was observed in PBML from COL+ calves at week 2, but the difference was not statistical different between groups. In conclusion, calves fed fresh and frozen colostrum showed no difference in cells subset profile overall. The increased percentage of leukocytes expressing the memory CD45RO+ or CD14MHCII+ over the course of the experiment indicated a maturation of the adaptive immune response after natural exposure to pathogens in the imenvironment of the calf. The enhanced IL17 secretion by COL+ calves indicated that viable maternal cells modulated T-cell Th17 production that was primed by bacterial antigens. This mechanism could be responsible for quick and efficient activation of neutrophils for bacterial clearance. The differences in cytokine production observed between groups may help to explain the different clinical pictures observed for calves COL+ and COL- calves .
650 $aColostrum
650 $aCytokines
650 $aImmune response
650 $aColostro
653 $aBezerras recém-nascidas
653 $aCitocinas
653 $aLymphocytes subsets
653 $aNeonate calves
653 $aPassive immune transfer
653 $aSubpopulações de linfócitos
653 $aTransferência de imunidade passiva
700 1 $aCOSTA, J. F. dos R.
700 1 $aBACCILI, C. C.
700 1 $aSOBREIRA, N. M.
700 1 $aMAIA, M. A.
700 1 $aLEITE, S. B. P.
700 1 $aHURLEY, D. J.
700 1 $aGOMES, V.
773 $tPesquisa Veterinária Brasileira, Brasília, DF$gv. 37, n. 12, p. 1385-1394, dezembro. 2017.
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