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| 24. |  | QUINTANS, G. Ovejas melliceras: primero lograr más corderos, luego mantenerlos. In: Jornada anual de producción animal, 2002 Resultados experimentales. Treinta y Tres (Uruguay): INIA, 2002. p. 31 (INIA Serie Actividades de Difusión ; 294) INIA Treinta y Tres. Unidad Experimental Palo a Pique (UEPP)| Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó; INIA Treinta y Tres. |
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| 31. | | QUINTANS, G. Manejo de la recría vacuna en sistemas ganaderos. ln: INIA TACUAREMBÓ. INIA TREINTA Y TRES. PROGRAMA NACIONAL OVINOS Y CAPRINOS. PROGRAMA NACIONAL BOVINOS PARA CARNE. Seminario de Actualización Técnica sobre Cría y Recría Ovina y Vacuna, Tacuarembó, 2002. Tacuarembó (Uruguay): INIA, 2002. p. 47-56 (INIA Serie Actividades de Difusión ; 288)| Biblioteca(s): INIA Tacuarembó. |
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| 37. | | QUINTANS, G. Recría vacuna: antecedentes y nuevos enfoques Capítulo 2. Algunas estrategias para disminuir la edad al primer servicio en vaquillonas. In: QUINTANS, G.; VELAZCO, J.I.; ROIG, G. (Eds.). Seminario de actualización técnica: cría vacuna. Montevideo (Uruguay): INIA, 2008. p. 53-55 (INIA Serie Técnica ; 174)| Biblioteca(s): INIA Las Brujas; INIA Tacuarembó; INIA Treinta y Tres. |
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| 39. | | QUINTANS, G. Sincronización de celos. ln: Jornada Anual de Producción Animal : resultados experimentales, Palo a Pique, Treinta y Tres, 5 oct 2000 : INIA Treinta y Tres, 2000. p. 65-67 (INIA Serie Actividades de Difusión ; 225) INIA Treinta y Tres. Unidad Experimental Palo a Pique (UEPP)| Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; 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 : |
29/04/2019 |
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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 : |
-- - -- |
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Autor : |
MARESCA, S.; LÓPEZ VALIENTE, S.; RODRÍGUEZ A.M.; TESTA, L.M.; LONG, N. M.; QUINTANS, G.; PAVAN, E. |
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Afiliación : |
SEBASTIÁN MARESCA, Instituto Nacional de Tecnología Agropecuaria, Cuenca del Salado Experimental Station. Argentina.; SEBASTIÁN LÓPEZ VALIENTE, Instituto Nacional de Tecnología Agropecuaria, Cuenca del Salado Experimental Station. Argentina.; ALEJANDRO M. RODRÍGUEZ, Instituto Nacional de Tecnología Agropecuaria, Cuenca del Salado Experimental Station. Argentina.; LAURA M. TESTA, Instituto Nacional de Tecnología Agropecuaria, Balcarse Experimental Station. Argentina.; NATHAN M. LONG, Department of Animal Veterinary Science, Clemson University, USA.; GRACIELA QUINTANS ILARIA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ENRIQUE PAVAN, Instituto Nacional de Tecnología Agropecuaria, Balcarse Experimental Station. Argentina. |
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Título : |
The influence of protein restriction during mid- to late gestation on beef offspring growth, carcass characteristic and meat quality. |
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Fecha de publicación : |
2019 |
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Fuente / Imprenta : |
Meat Science, 2019. v.153, p. 103-108. |
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DOI : |
10.1016/j.meatsci.2019.03.014 |
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Idioma : |
Inglés |
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Notas : |
Article history :Received 22 May 2018; Received in revised form 20 February 2019; Accepted 20 March 2019. Available online 21 March 2019. |
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Contenido : |
Abstract:
The objective of this study was to determine whether crude protein intake during the last three months of gestation affects growth performance, carcass characteristics and meat quality of steer progeny. At 134 ± 14 d of gestation, 68 multiparous Angus cows were blocked by BW and expected calving date and randomly assigned to diets that contained either low or high dietary crude protein concentrations and were allotted in 12 pens per treatment. After calving, cows were managed together on improved pastures during lactation. After weaning at 219 ± 13 d of age, steers calves were stockered on natural pastures until 687 ± 13 d of age then placed into a feedlot for 83d before slaughter. Maternal dietary protein concentration had no influence on offspring body weight and growth rate during rearing or finishing phases (P > .10). Rib fat thickness of steers was not affected (P = .38) by maternal nutrition treatments, however, LM area was greater in HP steers than LP steers at entrance into the feedlot (P = .01) and end of finishing phase (P = .04). Hot carcass weight was similar between treatments (P = .69), however dressing percentage was increased in HP relative to LP steers (P = .01). Tenderness of Longissimus muscle was increased in HP compared to LP steers after 3 and 14d
(P < .001) of aging. No treatment differences in troponin-t degradation (P = .77) and collagen content (P = .58) were observed. Muscle fiber diameter was similar in LP and HP steers (P = .20), suggesting that increase of LM area in HP steers could be due to muscle hyperplasia. These data indicated that level of protein during mid to late gestation does not affect offspring growth but has impacts on carcass composition and meat quality of steer progeny. MenosAbstract:
The objective of this study was to determine whether crude protein intake during the last three months of gestation affects growth performance, carcass characteristics and meat quality of steer progeny. At 134 ± 14 d of gestation, 68 multiparous Angus cows were blocked by BW and expected calving date and randomly assigned to diets that contained either low or high dietary crude protein concentrations and were allotted in 12 pens per treatment. After calving, cows were managed together on improved pastures during lactation. After weaning at 219 ± 13 d of age, steers calves were stockered on natural pastures until 687 ± 13 d of age then placed into a feedlot for 83d before slaughter. Maternal dietary protein concentration had no influence on offspring body weight and growth rate during rearing or finishing phases (P > .10). Rib fat thickness of steers was not affected (P = .38) by maternal nutrition treatments, however, LM area was greater in HP steers than LP steers at entrance into the feedlot (P = .01) and end of finishing phase (P = .04). Hot carcass weight was similar between treatments (P = .69), however dressing percentage was increased in HP relative to LP steers (P = .01). Tenderness of Longissimus muscle was increased in HP compared to LP steers after 3 and 14d
(P < .001) of aging. No treatment differences in troponin-t degradation (P = .77) and collagen content (P = .58) were observed. Muscle fiber diameter was similar in LP and HP steers (P = .20), sugges... Presentar Todo |
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Palabras claves : |
RESTRICCIÓN NUTRICIONAL; RESTRICCIÓN PROTEICA; RESTRICCIONES EN GESTACIÓN. |
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Thesagro : |
BOVINOS DE CARNE; GESTACION. |
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Asunto categoría : |
L02 Alimentación animal |
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Marc : |
LEADER 02742naa a2200277 a 4500
001 1059746
005 2019-10-11
008 2019 bl uuuu u00u1 u #d
024 7 $a10.1016/j.meatsci.2019.03.014$2DOI
100 1 $aMARESCA, S.
245 $aThe influence of protein restriction during mid- to late gestation on beef offspring growth, carcass characteristic and meat quality.$h[electronic resource]
260 $c2019
500 $aArticle history :Received 22 May 2018; Received in revised form 20 February 2019; Accepted 20 March 2019. Available online 21 March 2019.
520 $aAbstract: The objective of this study was to determine whether crude protein intake during the last three months of gestation affects growth performance, carcass characteristics and meat quality of steer progeny. At 134 ± 14 d of gestation, 68 multiparous Angus cows were blocked by BW and expected calving date and randomly assigned to diets that contained either low or high dietary crude protein concentrations and were allotted in 12 pens per treatment. After calving, cows were managed together on improved pastures during lactation. After weaning at 219 ± 13 d of age, steers calves were stockered on natural pastures until 687 ± 13 d of age then placed into a feedlot for 83d before slaughter. Maternal dietary protein concentration had no influence on offspring body weight and growth rate during rearing or finishing phases (P > .10). Rib fat thickness of steers was not affected (P = .38) by maternal nutrition treatments, however, LM area was greater in HP steers than LP steers at entrance into the feedlot (P = .01) and end of finishing phase (P = .04). Hot carcass weight was similar between treatments (P = .69), however dressing percentage was increased in HP relative to LP steers (P = .01). Tenderness of Longissimus muscle was increased in HP compared to LP steers after 3 and 14d (P < .001) of aging. No treatment differences in troponin-t degradation (P = .77) and collagen content (P = .58) were observed. Muscle fiber diameter was similar in LP and HP steers (P = .20), suggesting that increase of LM area in HP steers could be due to muscle hyperplasia. These data indicated that level of protein during mid to late gestation does not affect offspring growth but has impacts on carcass composition and meat quality of steer progeny.
650 $aBOVINOS DE CARNE
650 $aGESTACION
653 $aRESTRICCIÓN NUTRICIONAL
653 $aRESTRICCIÓN PROTEICA
653 $aRESTRICCIONES EN GESTACIÓN
700 1 $aLÓPEZ VALIENTE, S.
700 1 $aRODRÍGUEZ A.M.
700 1 $aTESTA, L.M.
700 1 $aLONG, N. M.
700 1 $aQUINTANS, G.
700 1 $aPAVAN, E.
773 $tMeat Science, 2019.$gv.153, p. 103-108.
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