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| Registros recuperados : 225 | |
| 8. |  | CARÁMBULA, M.; TERRA, J.A. Manejo en situaciones de crisis forrajeras. ln: INIA; Ministerio de Ganadería, Agricultura y Pesca (MGAP); Instituto Plan Agropecuario. Alternativas tecnológicas para enfrentar situaciones de crisis forrajeras. Montevideo (Uruguay): INIA, 2008. p. 5-8. Adaptado de Serie Técnica INIA 74; Las sequías antes, durante y después.| Biblioteca(s): INIA Treinta y Tres. |
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 | Acceso al texto completo restringido a Biblioteca INIA Treinta y Tres. Por información adicional contacte bibliott@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA Treinta y Tres. |
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Fecha actual : |
18/09/2014 |
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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 : |
A - 2 |
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Autor : |
BANCHERO, G.; QUINTANS, G.; MARTIN, G.B.; MILTON, J.T.B.; LINDSAY, D.R. |
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Afiliación : |
GEORGGET ELIZABETH BANCHERO HUNZIKER, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay; GRACIELA QUINTANS ILARIA, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay. |
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Título : |
Nutrition and colostrum production in sheep. 2. Metabolic and hormonal responses to different energy sources in the final stages of pregnancy. |
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Fecha de publicación : |
2004 |
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Fuente / Imprenta : |
Reproduction, Fertility and Development, 2004, v. 16, no. 6, p. 645-653. |
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ISSN : |
1031-3613 |
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DOI : |
10.1071/rd03092 |
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Idioma : |
Inglés |
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Notas : |
Article history: Submitted: 7 October 2003//Accepted: 3 June 2004//Published: 16 August 2004.
DOI: https://doi.org/10.1071/RD03092 |
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Contenido : |
Abstract:
Lupins and maize, with similar concentrations of metabolisable energy, should produce similar responses in colostrum production at parturition when fed during the last week of pregnancy, but, in the present study, we tested the proposal that the physical form of whole lupins would restrict intake and, therefore, the response compared with cracked lupins or maize. Fifty-five twin-bearing ewes were divided into four groups: in the last 15 days of pregnancy, 14 were fed whole lupins, 13 were fed cracked lupins, 14 were fed cracked maize and 14 received no supplement. The cracked supplements were fed in increasing amounts for 6 days to avoid acidosis. The whole lupins were fed only from Day -8. All supplementary grains increased the intake of metabolisable energy by >35%, but only ewes eating maize accumulated significantly more colostrum at parturition: control, 207 g; cracked maize, 452 g; cracked lupins, 206 g; whole lupins, 231 g (P < 0.05). Plasma urea concentrations were extremely high (approximately 10 mmol L?1) for both groups eating lupins and approximately double those of control ewes or those receiving maize (P < 0.05). We conclude that gut distention is not a cause of a poor response to lupins, but the ammonia associated with near-toxic concentrations of plasma urea may be affecting the production of colostrum. |
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Palabras claves : |
CALOSTRO; GESTACION; GLUCOSA; HORMONAS; INSULINA; LACTOGENESIS; OVINOS. |
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Asunto categoría : |
-- |
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Marc : |
LEADER 02293naa a2200289 a 4500
001 1050376
005 2019-10-11
008 2004 bl uuuu u00u1 u #d
022 $a1031-3613
024 7 $a10.1071/rd03092$2DOI
100 1 $aBANCHERO, G.
245 $aNutrition and colostrum production in sheep. 2. Metabolic and hormonal responses to different energy sources in the final stages of pregnancy.
260 $c2004
500 $aArticle history: Submitted: 7 October 2003//Accepted: 3 June 2004//Published: 16 August 2004. DOI: https://doi.org/10.1071/RD03092
520 $aAbstract: Lupins and maize, with similar concentrations of metabolisable energy, should produce similar responses in colostrum production at parturition when fed during the last week of pregnancy, but, in the present study, we tested the proposal that the physical form of whole lupins would restrict intake and, therefore, the response compared with cracked lupins or maize. Fifty-five twin-bearing ewes were divided into four groups: in the last 15 days of pregnancy, 14 were fed whole lupins, 13 were fed cracked lupins, 14 were fed cracked maize and 14 received no supplement. The cracked supplements were fed in increasing amounts for 6 days to avoid acidosis. The whole lupins were fed only from Day -8. All supplementary grains increased the intake of metabolisable energy by >35%, but only ewes eating maize accumulated significantly more colostrum at parturition: control, 207 g; cracked maize, 452 g; cracked lupins, 206 g; whole lupins, 231 g (P < 0.05). Plasma urea concentrations were extremely high (approximately 10 mmol L?1) for both groups eating lupins and approximately double those of control ewes or those receiving maize (P < 0.05). We conclude that gut distention is not a cause of a poor response to lupins, but the ammonia associated with near-toxic concentrations of plasma urea may be affecting the production of colostrum.
653 $aCALOSTRO
653 $aGESTACION
653 $aGLUCOSA
653 $aHORMONAS
653 $aINSULINA
653 $aLACTOGENESIS
653 $aOVINOS
700 1 $aQUINTANS, G.
700 1 $aMARTIN, G.B.
700 1 $aMILTON, J.T.B.
700 1 $aLINDSAY, D.R.
773 $tReproduction, Fertility and Development, 2004$gv. 16, no. 6, p. 645-653.
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