| |
|
|
| Registros recuperados : 6 | |
| Registros recuperados : 6 | |
|
|
|
 | Acceso al texto completo restringido a Biblioteca INIA La Estanzuela. Por información adicional contacte bib_le@inia.org.uy. |
|
Registro completo
|
|
Biblioteca (s) : |
INIA La Estanzuela. |
|
Fecha actual : |
05/11/2014 |
|
Actualizado : |
11/10/2019 |
|
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
|
Circulación / Nivel : |
B - 1 |
|
Autor : |
AGUERRE, M.; REPETTO, J.L.; PÉREZ-RUCHEL, A.; MENDOZA, A.; PINACCHIO, G.; CAJARVILLE, C. |
|
Afiliación : |
JOSE LUIS REPETTO CAPELLO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ALEJANDRO FRANCISCO MENDOZA AGUIAR, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
|
Título : |
Rumen pH and NH3-N concentration of sheep fed temperate pastures and supplemented with sorghum grain. |
|
Fecha de publicación : |
2009 |
|
Fuente / Imprenta : |
South African Journal of Animal Science, v.39, n.5., p. 246-250, 2009. |
|
ISSN : |
0375-1589 |
|
DOI : |
10.4314/sajas.v39i1.61157 |
|
Idioma : |
Inglés |
|
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 |
|
Palabras claves : |
AMBIENTE RUMINAL; GRAIN SUPPLEMENTATION; GRANO DE SORGO; NUTRICIÓN DE RUMIANTES; RUMEN ENVIRONMENT; TEMPERATE PASTURE; WETHER. |
|
Thesagro : |
LOTUS CORNICULATUS; NUTRICIÓN ANIMAL. |
|
Asunto categoría : |
L51 Fisiología Animal - Nutrición |
|
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.
Descargar
Esconder MarcPresentar Marc Completo |
|
Registro original : |
INIA La Estanzuela (LE) |
|
|
Biblioteca
|
Identificación
|
Origen
|
Tipo / Formato
|
Clasificación
|
Cutter
|
Registro
|
Volumen
|
Estado
|
Volver
|
| No hay resultados para la expresión de búsqueda informada registros. |
|
|
