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| 3. |  | KASPARY, T. E.; WALLER, M.E.; GARCIA, A. Ocurrencia de resistencia múltiple y cruzada de Conyza spp. a herbicidas en Uruguay. [abstract] En: Congreso Argentino de Malezas, IV - ASACIM, MALEZAS 2023 "Ciencia, producción y sociedad: hacia un manejo sustentable", 14-15 setiembre 2023, Mar del Plata - Buenos Aires, Argentina. Instituciones financiadoras: Dirección Nacional de Innovación, Ciencia y Tecnología-DICYT-FVF/2021/013; Instituto Nacional de Investigación Agropecuaria del Uruguay-INIA.| Biblioteca(s): INIA Las Brujas. |
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| 4. | | KASPARY, T. E.; WALLER, M.E.; GARCIA, A.; CABRERA, M.; HILL, S.M. Conyza bonariensis' resistance to glyphosate, diclosulam, and chlorimuron: confirmation and alternative control for the first case of multiple and cross-resistance in Uruguay. Agronomy. 2024, Volume 14, Issue 1, Article 79. https://doi.org/10.3390/agronomy14010079 -- OPEN ACCESS. Article history: Submission received 15 November 2023; Revised 25 December 2023; Accepted 26 December 2023; Published: 28 December 2023. -- Correspondence: Kaspary, T.E.; National Agricultural Research Institute of Uruguay (INIA), La...| Biblioteca(s): INIA Las Brujas. |
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| 6. | | KASPARY, T. E.; GARCIA, A.; WALLER, M.; CABRERA, M.; GARCIA, E.; GARCIA, R.; VAZQUEZ, C. Manejo de yuyos colorados resistentes: utilización de cultivos de cobertura asociado a estrategias herbicidas. Cultivos. Revista INIA Uruguay, Setiembre 2022, no.70, p.73-76. (Revista INIA; 70).| Biblioteca(s): INIA Las Brujas. |
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| 7. | | KASPARY, T. E.; WALLER, M.; CABRERA, M.; GARCIA, A.; MARQUES, S. Multiple resistant hairy fleabane (Conyza bonariensis). Multiple Resistance: 2 Sites of Action. Uruguay, Riachuelo, Colonia. [web database]. Heap, I. The International Herbicide-Resistant Weed Database. Online. Last updated Jun 08, 2024 . Available: Available: www.weedscience.org Acknowledgements: The Herbicide Resistance Action Committee, The Weed Science Society of America, and weed scientists in Uruguay have been instrumental in providing you this information. Particular thanks is given to Mauricio Cabrera, M....| Biblioteca(s): INIA Las Brujas. |
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| 8. | | WALLER, M.E.; GARCIA, A.; CABRERA, M.; FERNÁNDEZ RODRÍGUEZ, E.; HERNÁNDEZ MANANCERO, S.; KASPARY, T. E. Resistencia múltiple de Brassica spp. a flumetsulam y glifosato en Uruguay. [resumen] 4. Resistencia de plantas daninhas a herbicidas. In: XXXIII Congresso Brasileiro da Ciencia das Plantas Daninhas, XXV Congresso Latinoamericano de Malezas, 12 a 15 de agosto 2024, Campinas, SP, Brazil. Anais, p.420. Destaques: La presencia en Uruguay de Brassica spp. con elevado nivel de resistencia a glifosato y flumetsulam, eleva la complejidad del manejo de esta maleza en cultivos anuales y pasturas sembradas. -- Agradecimientos: Instituto...| Biblioteca(s): INIA Las Brujas. |
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| 9. | | KASPARY, T. E.; GARCIA, A.; WALLER, M.E.; MONESIGLIO, M.C.; HERNÁNDEZ MANANCERO, S.; FERNÁNDEZ RODRÍGUEZ, E. Alteração na actolactato sintase e metabolização conferem resistência cruzada de Conyza bonariensis a diclosulam e clorimurom. [resumo]. 4. Resistencia de plantas daninhas a herbicidas. In: XXXIII Congresso Brasileiro da Ciencia das Plantas Daninhas, XXV Congresso Latinoamericano de Malezas, 12 a 15 de agosto 2024, Campinas, SP, Brazil. Anais, p.355. Destaques: A presença de dois mecanismos de resistência a herbicidas, alteração na ALS e metabolização, em um mesmo biotipo de C. bonariensis eleva a complexidade do seu manejo. -- Agradecimientos: Dirección Nacional de Innovación,...| Biblioteca(s): INIA Las Brujas. |
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| 10. | | WALLER, M.E.; GARCIA, A.; MONESIGLIO, M.C.; FERNÁNDEZ RODRÍGUEZ, E.; HERNÁNDEZ MANANCERO, S.; KASPARY, T. E. Conyza sumatrensis en Uruguay: resistencias simples, cruzadas y múltiples al glifosato, diclosulam y clorimuron. [resumen]. 4. Resistencia de plantas daninhas a herbicidas. In: XXXIII Congresso Brasileiro da Ciencia das Plantas Daninhas, XXV Congresso Latinoamericano de Malezas, 12 a 15 de agosto 2024, Campinas, SP, Brazil. Anais, p.348. Destaques: Las diferentes mutaciones en C. sumatrensis y diferencias entre biotipos encontrados determinan diferencias en su manejo. -- Agradecimientos: Dirección Nacional de Innovación, Ciencia y Tecnología-DICYT-FVF/2021/013 e Instituto...| Biblioteca(s): INIA Las Brujas. |
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 | Acceso al texto completo restringido a Biblioteca INIA La Estanzuela. Por información adicional contacte bib_le@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela. |
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Fecha actual : |
05/11/2014 |
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Actualizado : |
11/10/2019 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
B - 1 |
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Autor : |
AGUERRE, M.; REPETTO, J.L.; PÉREZ-RUCHEL, A.; MENDOZA, A.; PINACCHIO, G.; CAJARVILLE, C. |
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Afiliación : |
JOSE LUIS REPETTO CAPELLO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ALEJANDRO FRANCISCO MENDOZA AGUIAR, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
Rumen pH and NH3-N concentration of sheep fed temperate pastures and supplemented with sorghum grain. |
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Fecha de publicación : |
2009 |
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Fuente / Imprenta : |
South African Journal of Animal Science, v.39, n.5., p. 246-250, 2009. |
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ISSN : |
0375-1589 |
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DOI : |
10.4314/sajas.v39i1.61157 |
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Idioma : |
Inglés |
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Contenido : |
ABSTRACT:
The aim of this study was to evaluate the effect of sorghum grain supplementation on ruminal pH and NH3-N concentration of wethers consuming a fresh temperate pasture (Lotus corniculatus) in metabolism cages. Sixteen Corriedale x Milchschaf wethers were fed temperate pastures ad libitum and were non-supplemented or supplemented with ground sorghum grain at 5, 10 or 15 g/kg of their body weight (BW). Rumen fluid samples were collected at 0, 1, 2, 3, 4, 5 and 6 h after supplementation through permanent tubes inserted in the rumen. Ruminal pH was measured immediately and NH3-N concentration was determined by direct distillation. Mean daily pH values for non-supplemented wethers and supplemented with 5, 10 and 15 g/kg of their BW were 6.45, 6.14, 6.09 and 5.43, respectively. Significant differences in pH were found between the 15 g/kg supplemented group and non-supplemented, 5 and 10 g/kg supplemented groups, while a trend was found between non-supplemented and 10 g/kg supplemented group. After 0 h, all mean pH values for the non-supplemented group were above 6.15, while values for the 10 and 15 g/kg supplemented groups were below 6.2 and 6.0, respectively. No differences in NH3-N concentration among groups (mean = 37.15 mg/100 mL), between time or interaction between time and treatment were found. There was a correlation between pH and NH3-N when all measurements were considered. Ground sorghum grain supplementation significantly reduced rumen pH when 15 g/kg of BW was provided to wethers fed temperate pastures, but it did not affect NH3-N concentration. MenosABSTRACT:
The aim of this study was to evaluate the effect of sorghum grain supplementation on ruminal pH and NH3-N concentration of wethers consuming a fresh temperate pasture (Lotus corniculatus) in metabolism cages. Sixteen Corriedale x Milchschaf wethers were fed temperate pastures ad libitum and were non-supplemented or supplemented with ground sorghum grain at 5, 10 or 15 g/kg of their body weight (BW). Rumen fluid samples were collected at 0, 1, 2, 3, 4, 5 and 6 h after supplementation through permanent tubes inserted in the rumen. Ruminal pH was measured immediately and NH3-N concentration was determined by direct distillation. Mean daily pH values for non-supplemented wethers and supplemented with 5, 10 and 15 g/kg of their BW were 6.45, 6.14, 6.09 and 5.43, respectively. Significant differences in pH were found between the 15 g/kg supplemented group and non-supplemented, 5 and 10 g/kg supplemented groups, while a trend was found between non-supplemented and 10 g/kg supplemented group. After 0 h, all mean pH values for the non-supplemented group were above 6.15, while values for the 10 and 15 g/kg supplemented groups were below 6.2 and 6.0, respectively. No differences in NH3-N concentration among groups (mean = 37.15 mg/100 mL), between time or interaction between time and treatment were found. There was a correlation between pH and NH3-N when all measurements were considered. Ground sorghum grain supplementation significantly reduced rumen pH when 15 g/kg of BW wa... Presentar Todo |
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Palabras claves : |
AMBIENTE RUMINAL; GRAIN SUPPLEMENTATION; GRANO DE SORGO; NUTRICIÓN DE RUMIANTES; RUMEN ENVIRONMENT; TEMPERATE PASTURE; WETHER. |
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Thesagro : |
LOTUS CORNICULATUS; NUTRICIÓN ANIMAL. |
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Asunto categoría : |
L51 Fisiología Animal - Nutrición |
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Marc : |
LEADER 02531naa a2200313 a 4500
001 1051524
005 2019-10-11
008 2009 bl uuuu u00u1 u #d
022 $a0375-1589
024 7 $a10.4314/sajas.v39i1.61157$2DOI
100 1 $aAGUERRE, M.
245 $aRumen pH and NH3-N concentration of sheep fed temperate pastures and supplemented with sorghum grain.$h[electronic resource]
260 $c2009
520 $aABSTRACT: The aim of this study was to evaluate the effect of sorghum grain supplementation on ruminal pH and NH3-N concentration of wethers consuming a fresh temperate pasture (Lotus corniculatus) in metabolism cages. Sixteen Corriedale x Milchschaf wethers were fed temperate pastures ad libitum and were non-supplemented or supplemented with ground sorghum grain at 5, 10 or 15 g/kg of their body weight (BW). Rumen fluid samples were collected at 0, 1, 2, 3, 4, 5 and 6 h after supplementation through permanent tubes inserted in the rumen. Ruminal pH was measured immediately and NH3-N concentration was determined by direct distillation. Mean daily pH values for non-supplemented wethers and supplemented with 5, 10 and 15 g/kg of their BW were 6.45, 6.14, 6.09 and 5.43, respectively. Significant differences in pH were found between the 15 g/kg supplemented group and non-supplemented, 5 and 10 g/kg supplemented groups, while a trend was found between non-supplemented and 10 g/kg supplemented group. After 0 h, all mean pH values for the non-supplemented group were above 6.15, while values for the 10 and 15 g/kg supplemented groups were below 6.2 and 6.0, respectively. No differences in NH3-N concentration among groups (mean = 37.15 mg/100 mL), between time or interaction between time and treatment were found. There was a correlation between pH and NH3-N when all measurements were considered. Ground sorghum grain supplementation significantly reduced rumen pH when 15 g/kg of BW was provided to wethers fed temperate pastures, but it did not affect NH3-N concentration.
650 $aLOTUS CORNICULATUS
650 $aNUTRICIÓN ANIMAL
653 $aAMBIENTE RUMINAL
653 $aGRAIN SUPPLEMENTATION
653 $aGRANO DE SORGO
653 $aNUTRICIÓN DE RUMIANTES
653 $aRUMEN ENVIRONMENT
653 $aTEMPERATE PASTURE
653 $aWETHER
700 1 $aREPETTO, J.L.
700 1 $aPÉREZ-RUCHEL, A.
700 1 $aMENDOZA, A.
700 1 $aPINACCHIO, G.
700 1 $aCAJARVILLE, C.
773 $tSouth African Journal of Animal Science$gv.39, n.5., p. 246-250, 2009.
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