| |
|
|
 | Acceso al texto completo restringido a Biblioteca INIA Treinta y Tres. Por información adicional contacte bibliott@inia.org.uy. |
|
Registro completo
|
|
Biblioteca (s) : |
INIA Treinta y Tres. |
|
Fecha : |
17/06/2015 |
|
Actualizado : |
25/09/2018 |
|
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
|
Autor : |
GODWIN, I.; LI, L.; LUIJBEN, K.; OELBRANDT, N.; VELAZCO, J.I.; MILLER, J.; HEGARTY, R. |
|
Afiliación : |
SCHOOL OF ENVIRONMENTAL AND RURAL SCIENCE, UNIVERSITY OF NEW ENGLAND; SCHOOL OF ENVIRONMENTAL AND RURAL SCIENCE, UNIVERSITY OF NEW ENGLAND; SCHOOL OF ENVIRONMENTAL AND RURAL SCIENCE, UNIVERSITY OF NEW ENGLAND; SCHOOL OF ENVIRONMENTAL AND RURAL SCIENCE, UNIVERSITY OF NEW ENGLAND; JOSÉ IGNACIO VELAZCO DE LOS REYES, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; SCHOOL OF ENVIRONMENTAL AND RURAL SCIENCE, UNIVERSITY OF NEW ENGLAND; SCHOOL OF ENVIRONMENTAL AND RURAL SCIENCE, UNIVERSITY OF NEW ENGLAND. |
|
Título : |
The effects of chronic nitrate supplementation on erythrocytic methaemoglobin reduction in cattle. |
|
Fecha de publicación : |
2015 |
|
Fuente / Imprenta : |
Animal Production Science, 2015, v. 55(5), p. 611-616. |
|
ISSN : |
1836-0939; eISSN: 1836-5787 |
|
DOI : |
http://dx.doi.org/10.1071/AN13366 |
|
Idioma : |
Inglés |
|
Notas : |
Article history: Received 2 September 2013, accepted 6 February 2014, published online 8 May 2014. |
|
Contenido : |
Abstract:
Calcium nitrate and urea were fed as a supplement on an isonitrogenous basis to Angus steers and their erythrocytic methaemoglobin concentrations and NADH- and NADPH-methaemoglobin reductase levels were measured over a 54-day period. Methaemoglobin concentrations remained elevated despite increases in NADH-methaemoglobin reductase activity. In a second experiment, Brahman cross steers were fed either calcium nitrate or urea supplements for 111 days. Blood cells were then taken, washed and exposed to sodium nitrite to convert all haemoglobin to methaemoglobin.
The rates of glycolysis and methaemoglobin reduction were measured following incubation of these cells in buffers containing 1, 5 or 10 mM inorganic phosphate. Glucose consumption and methaemoglobin reduction were increased by inorganic phosphate and were more rapid in those animals supplemented with nitrate. Lactate production of erythrocytes was reduced in those animals fed nitrate. It is concluded that adaptation to chronic nitrite exposure occurs in the erythron, resulting in greater methaemoglobin reduction potential and that there is competition between NADH-methaemoglobin reductase and lactate dehydrogenase for NADH. |
|
Palabras claves : |
EMISIONES DE GASES; EMISIONES DE METANO; FOSFATO INORGÁNICO; INORGANIC PHOSPHATE; METAHEMOGLOBINA REDUCTASA; METHAEMOGLOBIN REDUCTASE. |
|
Thesagro : |
BOVINOS; DIETA; SUPLEMENTACION. |
|
Asunto categoría : |
L20 Ecología animal |
|
Marc : |
LEADER 02263naa a2200337 a 4500
001 1052767
005 2018-09-25
008 2015 bl uuuu u00u1 u #d
022 $a1836-0939; eISSN: 1836-5787
024 7 $ahttp://dx.doi.org/10.1071/AN13366$2DOI
100 1 $aGODWIN, I.
245 $aThe effects of chronic nitrate supplementation on erythrocytic methaemoglobin reduction in cattle.
260 $c2015
500 $aArticle history: Received 2 September 2013, accepted 6 February 2014, published online 8 May 2014.
520 $aAbstract: Calcium nitrate and urea were fed as a supplement on an isonitrogenous basis to Angus steers and their erythrocytic methaemoglobin concentrations and NADH- and NADPH-methaemoglobin reductase levels were measured over a 54-day period. Methaemoglobin concentrations remained elevated despite increases in NADH-methaemoglobin reductase activity. In a second experiment, Brahman cross steers were fed either calcium nitrate or urea supplements for 111 days. Blood cells were then taken, washed and exposed to sodium nitrite to convert all haemoglobin to methaemoglobin. The rates of glycolysis and methaemoglobin reduction were measured following incubation of these cells in buffers containing 1, 5 or 10 mM inorganic phosphate. Glucose consumption and methaemoglobin reduction were increased by inorganic phosphate and were more rapid in those animals supplemented with nitrate. Lactate production of erythrocytes was reduced in those animals fed nitrate. It is concluded that adaptation to chronic nitrite exposure occurs in the erythron, resulting in greater methaemoglobin reduction potential and that there is competition between NADH-methaemoglobin reductase and lactate dehydrogenase for NADH.
650 $aBOVINOS
650 $aDIETA
650 $aSUPLEMENTACION
653 $aEMISIONES DE GASES
653 $aEMISIONES DE METANO
653 $aFOSFATO INORGÁNICO
653 $aINORGANIC PHOSPHATE
653 $aMETAHEMOGLOBINA REDUCTASA
653 $aMETHAEMOGLOBIN REDUCTASE
700 1 $aLI, L.
700 1 $aLUIJBEN, K.
700 1 $aOELBRANDT, N.
700 1 $aVELAZCO, J.I.
700 1 $aMILLER, J.
700 1 $aHEGARTY, R.
773 $tAnimal Production Science, 2015$gv. 55(5), p. 611-616.
Descargar
Esconder MarcPresentar Marc Completo |
|
Registro original : |
INIA Treinta y Tres (TT) |
|
|
Biblioteca
|
Identificación
|
Origen
|
Tipo / Formato
|
Clasificación
|
Cutter
|
Registro
|
Volumen
|
Estado
|
Volver
|
|
|
| Registros recuperados : 502 | |
| Registros recuperados : 502 | |
|
| Expresión de búsqueda válido. Check! |
|
|
