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Registro completo
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Biblioteca (s) : |
INIA Treinta y Tres. |
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Fecha : |
09/03/2018 |
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Actualizado : |
24/09/2018 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Autor : |
GARCÍA, J.A.; GARCÍA Y SANTOS, C.; ROSAS, J.E.; DUTRA, F.; GARDNER, D. |
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Afiliación : |
JUAN AGUSTÍN GARCÍA, Centro Universitario Regional Este, Universidad de la República, Uruguay.; CARMEN GARCÍA Y SANTOS, Departamento de Toxicología, Facultad de Veterinaria, Universidad de la República, Uruguay.; JUAN EDUARDO ROSAS CAISSIOLS, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; FERNANDO DUTRA, DILAVE (División Laboratorios Veterinarios), Regional Este, MGAP, Uruguay.; DALE GARDNER, USDA, ARX, Poisonuous Plant Research Laboratory, USA. |
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Título : |
A survey of Senecio spp. affecting livestock in Uruguay and their associated pyrrolizidine alkaloid content. |
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Fecha de publicación : |
2018 |
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Fuente / Imprenta : |
Ciência Rural, feb., 2018, v.48(2), p. e20170621. |
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ISSN : |
1678-4596 |
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DOI : |
10.1590/0103-8478cr20170621 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received 09.04.17; Approved 11.30.17 Returned by the author 12.27.17. CR-2017-0621.R1 |
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Contenido : |
ABSTRACT:
In Eastern Uruguay there has been a significant increase of seneciosis in grazing livestock with most affected localities related to counties neighboring the Brazilian border. A survey in 28 farms associated with poisoning outbreaks in grazing cattle in Eastern Uruguay was carried out. Fifty populations of Senecio plants were collected for alkaloid analysis and species identification. Four species were identified: S. oxyphyllus DC, S. madagascariensis Poir, S. brasiliensis (Spreng.) Less., and S. selloi DC. Alkaloids were identified by a combination of GC-MS and HPLC-MS analysis and included: retrorsine in S. oxyphyllus; retrorsine, usaramine, and senecivernine/senecionine in S. selloi; retrorsine, senecivernine/senecionine, integerrimine, and usaramine in S. madagascariensis; and integerrimine, retrorsine and senecionine in S. brasiliensis. Total mean alkaloid concentration was reported to be highest in S. brasiliensis (17.6mg/g) followed by S. oxyphyllus (6.2mg/g), S. selloi (1.8mg/g) and S. adagascariensis (0.6mg/g). Alkaloid concentrations were also reported to be higher in 2015 vs. 2016 probably due to a common environmental factor. The species S. oxyphyllus and S. madagascariensis were not previously recognized as toxic plants in Eastern Uruguay. Particularly, S. oxyphyllus was present in 82% of the farms surveyed and occurred in high density with relative high concentrations of pyrrolizidine alkaloids suggesting S. oxyphyllus may be the main species involved in the reported outbreaks of seneciosis. MenosABSTRACT:
In Eastern Uruguay there has been a significant increase of seneciosis in grazing livestock with most affected localities related to counties neighboring the Brazilian border. A survey in 28 farms associated with poisoning outbreaks in grazing cattle in Eastern Uruguay was carried out. Fifty populations of Senecio plants were collected for alkaloid analysis and species identification. Four species were identified: S. oxyphyllus DC, S. madagascariensis Poir, S. brasiliensis (Spreng.) Less., and S. selloi DC. Alkaloids were identified by a combination of GC-MS and HPLC-MS analysis and included: retrorsine in S. oxyphyllus; retrorsine, usaramine, and senecivernine/senecionine in S. selloi; retrorsine, senecivernine/senecionine, integerrimine, and usaramine in S. madagascariensis; and integerrimine, retrorsine and senecionine in S. brasiliensis. Total mean alkaloid concentration was reported to be highest in S. brasiliensis (17.6mg/g) followed by S. oxyphyllus (6.2mg/g), S. selloi (1.8mg/g) and S. adagascariensis (0.6mg/g). Alkaloid concentrations were also reported to be higher in 2015 vs. 2016 probably due to a common environmental factor. The species S. oxyphyllus and S. madagascariensis were not previously recognized as toxic plants in Eastern Uruguay. Particularly, S. oxyphyllus was present in 82% of the farms surveyed and occurred in high density with relative high concentrations of pyrrolizidine alkaloids suggesting S. oxyphyllus may be the main species involved... Presentar Todo |
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Palabras claves : |
ASTERACEAE; PLANT SECONDARY METABOLITES; PLANTAS TÓXICAS; POISONOUS PLANTS; SENECIOSIS. |
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Thesagro : |
RUMIANTES; SENECIO. |
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Asunto categoría : |
Q53 Contaminación y toxicología de alimentos para animales |
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URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/8891/1/Rosas-Arb-2018-1.pdf
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Marc : |
LEADER 02472naa a2200289 a 4500
001 1058223
005 2018-09-24
008 2018 bl uuuu u00u1 u #d
022 $a1678-4596
024 7 $a10.1590/0103-8478cr20170621$2DOI
100 1 $aGARCÍA, J.A.
245 $aA survey of Senecio spp. affecting livestock in Uruguay and their associated pyrrolizidine alkaloid content.$h[electronic resource]
260 $c2018
500 $aArticle history: Received 09.04.17; Approved 11.30.17 Returned by the author 12.27.17. CR-2017-0621.R1
520 $aABSTRACT: In Eastern Uruguay there has been a significant increase of seneciosis in grazing livestock with most affected localities related to counties neighboring the Brazilian border. A survey in 28 farms associated with poisoning outbreaks in grazing cattle in Eastern Uruguay was carried out. Fifty populations of Senecio plants were collected for alkaloid analysis and species identification. Four species were identified: S. oxyphyllus DC, S. madagascariensis Poir, S. brasiliensis (Spreng.) Less., and S. selloi DC. Alkaloids were identified by a combination of GC-MS and HPLC-MS analysis and included: retrorsine in S. oxyphyllus; retrorsine, usaramine, and senecivernine/senecionine in S. selloi; retrorsine, senecivernine/senecionine, integerrimine, and usaramine in S. madagascariensis; and integerrimine, retrorsine and senecionine in S. brasiliensis. Total mean alkaloid concentration was reported to be highest in S. brasiliensis (17.6mg/g) followed by S. oxyphyllus (6.2mg/g), S. selloi (1.8mg/g) and S. adagascariensis (0.6mg/g). Alkaloid concentrations were also reported to be higher in 2015 vs. 2016 probably due to a common environmental factor. The species S. oxyphyllus and S. madagascariensis were not previously recognized as toxic plants in Eastern Uruguay. Particularly, S. oxyphyllus was present in 82% of the farms surveyed and occurred in high density with relative high concentrations of pyrrolizidine alkaloids suggesting S. oxyphyllus may be the main species involved in the reported outbreaks of seneciosis.
650 $aRUMIANTES
650 $aSENECIO
653 $aASTERACEAE
653 $aPLANT SECONDARY METABOLITES
653 $aPLANTAS TÓXICAS
653 $aPOISONOUS PLANTS
653 $aSENECIOSIS
700 1 $aGARCÍA Y SANTOS, C.
700 1 $aROSAS, J.E.
700 1 $aDUTRA, F.
700 1 $aGARDNER, D.
773 $tCiência Rural, feb., 2018$gv.48(2), p. e20170621.
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Registro original : |
INIA Treinta y Tres (TT) |
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| Registros recuperados : 69 | |
| 4. |  | García, J. Mejoramiento de dactylis La Estanzuela, Colonia (Uruguay): INIA, 2004. p. 4 (INIA Serie Actividades de Difusión ; 380) INIA La Estanzuela| Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó. |
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| 5. | | García, J. Mejoramiento de festuca La Estanzuela, Colonia (Uruguay): INIA, 2004. p. 3 (INIA Serie Actividades de Difusión ; 380) INIA La Estanzuela| Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó. |
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| 6. | | García, J. Mejoramiento de trébol blanco La Estanzuela, Colonia (Uruguay): INIA, 2004. p. 1-2 (INIA Serie Actividades de Difusión ; 380) INIA La Estanzuela| Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó. |
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| 8. | | García, J. Nuevo cultivar de cebadilla La Estanzuela, Colonia (Uruguay): INIA, 2004. p. 8 (INIA Serie Actividades de Difusión ; 380) INIA La Estanzuela| Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó. |
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| 10. | | García, J. Nuevo cultivar de raigrás: LE 19-45a La Estanzuela, Colonia (Uruguay): INIA, 2004. p. 5 (INIA Serie Actividades de Difusión ; 380) INIA La Estanzuela| Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó. |
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| 11. | | GARCIA, J. Renovación de praderas. ln: Jornada de Forrajeras, 1988 set 9, Colonia (Uruguay): CIAAB, 1988. Resumen de los trabajos presentados. p.17-20.| Biblioteca(s): INIA La Estanzuela. |
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| 12. | | GARCIA, J. Variedades forrajeras. ln: Jornada de Forrajeras, 1988 set 9, Colonia (Uruguay): CIAAB, 1988. Resumen de los trabajos presentados. p.1-3.| Biblioteca(s): INIA La Estanzuela. |
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| 18. | | García, J.A. Gramilla en la etapa de praderas ln: Curso de Actualización Tecnica en Manejo de Malezas, 2 : 1996 jun 25-27 : La Estanzuela Ríos, A. (coord). [Memorias]. Montevideo (Uruguay): INIA, 1996. s.p. Resumen de un trabajo realizado en La Estanzuela como trabajo de Tesis durante el período 1993-1994. - Publicación de Apoyo| Biblioteca(s): INIA La Estanzuela. |
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| 19. | | GARCIA, J.A. Gramilla y praderas Montevideo (Uruguay): INIA, 1995. 14 p. (INIA Serie Técnica ; 67)| Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó. |
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| 20. | | GARCÍA, J.A. Gramíneas bianuales. ln: Día de Campo, 1995, La Estanzuela, Colonia, UY. Pasturas y ovinos. La Estanzuela: INIA, 1995. p. 8. (Serie Actividades de Difusión, 78).| Tipo: Actividades de Difusión |
| Biblioteca(s): INIA La Estanzuela; INIA Tacuarembó. |
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| Registros recuperados : 69 | |
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