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Registro Completo |
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Biblioteca(s): |
Embrapa Algodão. |
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Data corrente: |
28/09/2012 |
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Data da última atualização: |
28/09/2012 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
ROCHA, M. do S.; BELTRAO, N. E. de M. |
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Afiliação: |
Maria do Socorro Rocha, Bolsista PNPD na área de Fisiologia vegetal , doutora em Agronomia UFPB; NAPOLEAO ESBERARD DE MACEDO BELTRAO, CNPA. |
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Título: |
Crescimento de mudas de pinhão manso (Jatropha curcas L.) sob estresse salino diferestes doses de sais. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE MAMONA, 5.; SIMPÓSIO INTERNACIONAL DE OLEAGINOSAS ENERGÉTICAS, 2.; FÓRUM CAPIXABA DE PINHÃO-MANSO, 1., 2012, Guarapari. Desafios e Oportunidades: anais. Campina Grande: Embrapa Algodão, 2012. |
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Páginas: |
p. 137 |
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Idioma: |
Português |
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Palavras-Chave: |
JATROPHA CURCAS L; PINHÃO MANSO. |
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Thesagro: |
Área Foliar; Condutividade Eletrica; Fisiologia; Germinação; Irrigação. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/67148/1/FIS-051-P.035.pdf
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Marc: |
LEADER 00791nam a2200205 a 4500
001 1935069
005 2012-09-28
008 2012 bl uuuu u00u1 u #d
100 1 $aROCHA, M. do S.
245 $aCrescimento de mudas de pinhão manso (Jatropha curcas L.) sob estresse salino diferestes doses de sais.
260 $aIn: CONGRESSO BRASILEIRO DE MAMONA, 5.; SIMPÓSIO INTERNACIONAL DE OLEAGINOSAS ENERGÉTICAS, 2.; FÓRUM CAPIXABA DE PINHÃO-MANSO, 1., 2012, Guarapari. Desafios e Oportunidades: anais. Campina Grande: Embrapa Algodão$c2012
300 $ap. 137
650 $aÁrea Foliar
650 $aCondutividade Eletrica
650 $aFisiologia
650 $aGerminação
650 $aIrrigação
653 $aJATROPHA CURCAS L
653 $aPINHÃO MANSO
700 1 $aBELTRAO, N. E. de M.
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Registro original: |
Embrapa Algodão (CNPA) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Gado de Leite. Para informações adicionais entre em contato com cnpgl.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Caprinos e Ovinos; Embrapa Gado de Leite. |
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Data corrente: |
16/08/2021 |
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Data da última atualização: |
25/08/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
DIAMANTINO, G. M. L.; PIEREZAN, F.; FERREIRA, M. I. C.; ROCHA, W. S. D. da; OLIVEIRA, V. M. de; MARTINS, C. E.; VEIGA, M. O.; SOTO-BLANCO, B. |
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Afiliação: |
GABRIELLA M. L. DIAMANTINO, Universidade Federal de Minas Gerais; FELIPE PIEREZAN, Universidade Federal de Minas Gerais; MARIA IZABEL CARNEIRO FERREIRA, CNPC; WADSON SEBASTIAO DUARTE DA ROCHA, CNPGL; VANIA MARIA DE OLIVEIRA, CNPGL; CARLOS EUGENIO MARTINS, CNPGL; MAÍRA O. VEIGA, Universidade Federal de Lavras; BENITO SOTO-BLANCO, Universidade Federal de Minas Gerais. |
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Título: |
Photosensitization by Brachiaria ruziziensis in a sheep herd. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Toxicon, v. 185, p. 1-4, 2020. |
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DOI: |
https://doi.org/10.1016/j.toxicon.2020.06.022 |
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Idioma: |
Inglês |
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Conteúdo: |
Some species of the genus Brachiaria are cultivated worldwide in tropical and subtropical climate regions as the main feed for ruminants. Several studies report photosensitization by Brachiaria decumbens, Brachiaria brizantha, and Brachiaria humidicola, but the poisoning by Brachiaria ruziziensis have been reported only twice. Cutaneous and hepatic lesions may be caused by the steroidal saponins present in the leaves or by the mycotoxin sporidesmin produced by the saprophyte fungus Pithomyces chartarum. The present report describes the clinical and pathological changes observed in an outbreak of hepatogenic photosensitization in sheep kept in B. ruziziensis pastures. In addition, the present study will provide a better understanding of the etiology of this photosensitization through the evaluation of the saponin protodioscin and the spore count of P. chartarum. Santa In^es and Lacaune mixed-breed sheep showed signs of photosensitization after feeding B. ruziziensis. Clinical signs included jaundice, apathy, dehydration, and photosensitization characterized by facial edema and cutaneous scars, especially in the ears. Pathological examination of the liver revealed diffuse infiltrates of foamy cells, rare
multinucleated cells, and mild enlargement of hepatocytes (megalocytosis). The skin showed acute epidermal and dermal necrosis with occlusive thrombi. B. ruziziensis showed low levels of protodioscin (0.020 +- 0.024% in mature leaves and 0.065 +- 0.084% in sprouts) but high P. chartarum spore counts (mean of 479,844 +- 443,951 spores/g plant). Thus, sheep grazing B. ruziziensis pastures must be closely monitored because of the risk of photosensitization. MenosSome species of the genus Brachiaria are cultivated worldwide in tropical and subtropical climate regions as the main feed for ruminants. Several studies report photosensitization by Brachiaria decumbens, Brachiaria brizantha, and Brachiaria humidicola, but the poisoning by Brachiaria ruziziensis have been reported only twice. Cutaneous and hepatic lesions may be caused by the steroidal saponins present in the leaves or by the mycotoxin sporidesmin produced by the saprophyte fungus Pithomyces chartarum. The present report describes the clinical and pathological changes observed in an outbreak of hepatogenic photosensitization in sheep kept in B. ruziziensis pastures. In addition, the present study will provide a better understanding of the etiology of this photosensitization through the evaluation of the saponin protodioscin and the spore count of P. chartarum. Santa In^es and Lacaune mixed-breed sheep showed signs of photosensitization after feeding B. ruziziensis. Clinical signs included jaundice, apathy, dehydration, and photosensitization characterized by facial edema and cutaneous scars, especially in the ears. Pathological examination of the liver revealed diffuse infiltrates of foamy cells, rare
multinucleated cells, and mild enlargement of hepatocytes (megalocytosis). The skin showed acute epidermal and dermal necrosis with occlusive thrombi. B. ruziziensis showed low levels of protodioscin (0.020 +- 0.024% in mature leaves and 0.065 +- 0.084% in sprouts) but high P.... Mostrar Tudo |
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Thesagro: |
Fotossensibilização; Ovelha; Ovino; Pastagem; Saponina. |
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Thesaurus NAL: |
Pithomyces; Plant poisoning. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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Marc: |
LEADER 02510naa a2200301 a 4500
001 2133838
005 2021-08-25
008 2020 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.toxicon.2020.06.022$2DOI
100 1 $aDIAMANTINO, G. M. L.
245 $aPhotosensitization by Brachiaria ruziziensis in a sheep herd.$h[electronic resource]
260 $c2020
520 $aSome species of the genus Brachiaria are cultivated worldwide in tropical and subtropical climate regions as the main feed for ruminants. Several studies report photosensitization by Brachiaria decumbens, Brachiaria brizantha, and Brachiaria humidicola, but the poisoning by Brachiaria ruziziensis have been reported only twice. Cutaneous and hepatic lesions may be caused by the steroidal saponins present in the leaves or by the mycotoxin sporidesmin produced by the saprophyte fungus Pithomyces chartarum. The present report describes the clinical and pathological changes observed in an outbreak of hepatogenic photosensitization in sheep kept in B. ruziziensis pastures. In addition, the present study will provide a better understanding of the etiology of this photosensitization through the evaluation of the saponin protodioscin and the spore count of P. chartarum. Santa In^es and Lacaune mixed-breed sheep showed signs of photosensitization after feeding B. ruziziensis. Clinical signs included jaundice, apathy, dehydration, and photosensitization characterized by facial edema and cutaneous scars, especially in the ears. Pathological examination of the liver revealed diffuse infiltrates of foamy cells, rare multinucleated cells, and mild enlargement of hepatocytes (megalocytosis). The skin showed acute epidermal and dermal necrosis with occlusive thrombi. B. ruziziensis showed low levels of protodioscin (0.020 +- 0.024% in mature leaves and 0.065 +- 0.084% in sprouts) but high P. chartarum spore counts (mean of 479,844 +- 443,951 spores/g plant). Thus, sheep grazing B. ruziziensis pastures must be closely monitored because of the risk of photosensitization.
650 $aPithomyces
650 $aPlant poisoning
650 $aFotossensibilização
650 $aOvelha
650 $aOvino
650 $aPastagem
650 $aSaponina
700 1 $aPIEREZAN, F.
700 1 $aFERREIRA, M. I. C.
700 1 $aROCHA, W. S. D. da
700 1 $aOLIVEIRA, V. M. de
700 1 $aMARTINS, C. E.
700 1 $aVEIGA, M. O.
700 1 $aSOTO-BLANCO, B.
773 $tToxicon$gv. 185, p. 1-4, 2020.
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