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Registro completo
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Biblioteca (s) : |
INIA Treinta y Tres. |
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Fecha : |
11/11/2019 |
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Actualizado : |
13/11/2019 |
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Tipo de producción científica : |
Capítulo en Libro Técnico-Científico |
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Autor : |
MARESCA, S.; LÓPEZ VALIENTE, S.; RODRÍGUEZ, A.M.; TESTA, L.M.; LONG, N.M.; QUINTANS, G.; PAVON, E. |
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Afiliación : |
SEBASTIÁN MARESCA, Instituto Nacional de Tecnología Agropecuaria. Estación Experimental Cuenca del Salado, Argentina.; SEBASTIÁN LÓPEZ VALIENTE, Instituto Nacional de Tecnología Agropecuaria. Estación Experimental Cuenca del Salado, Argentina.; A.M. RODRÍGUEZ, Instituto Nacional de Tecnología Agropecuaria. Estación Experimental Cuenca del Salado, Argentina.; L.M. TESTA, Instituto Nacional de Tecnología Agropecuaria. Estación Experimental Balcarce, Argentina.; N.M. LONG, Departamento de Ciencias Animales y Veterinarias. Universidad de Clemson, Carolina del Sur, Estados Unidos de América.; GRACIELA QUINTANS ILARIA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; E. PAVON, Instituto Nacional de Tecnología Agropecuaria, Estación Experimental Balcarce, Argentina. |
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Título : |
Influencia de la restricción proteica en el último tercio de gestación sobre el crecimiento, características de carcasa y calidad de carne de la descendencia. |
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Fecha de publicación : |
2019 |
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Fuente / Imprenta : |
In: QUINTANS, G.; IEWDIUKOW, M. (Ed.). Primer Seminario Técnico de Programación Fetal. Montevideo (UY): INIA, 2019. p. 65-76. |
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Serie : |
(INIA Serie Técnica; 252) |
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ISSN : |
1688-9266 |
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Idioma : |
Español |
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Contenido : |
ABSTRACT
The objective of this study was to determine whether crude protein intake during late gastation affect growth, carcass characteristics and meat quality of steer rogeny. At 134 ± 14 days prepartum, 68 multiparous Angus cows were blocked by BW and expected calving date and randomly assigned to low protein level (LP, 6% CP) or high protein level (HP, 12% CP). After calving, cows were managed together on improved pastures among lactation. After weaning at 219 ± 13 days of age, calves were managed on native pastures up to 687 ± 13 days of age and then placed in feedlot for 83 days before slaughter. Protein concentration on maternal diet had no influence
on BW and growth rate during rearing or finishing phases (P> 0.10). Rib fat thickness of the steers was not affected (P = 0.38) by maternal nutrition treatments, however, LM area was greater in HP steers than LP steers at feedlot entrance (P = 0.01) and at the end of the finish phase (P = 0.04). Hot carcass weight was similar between treatments (P = 0.69), however, dressing increased in HP in relation to LP steers (P = 0.01). Longissimus muscle tenderness increased in HP compared
to LP steers after 3 and 14 days (P<0.001) of maturation. No differences were observed in troponin-t degradation (P = 0.77) and collagen content (P = 0.58). The diameter of the muscle fibers was similar in LP and HP steers (P = 0.20), suggesting that the increase of LM area in HP steers could be due to muscle hyperplasia. These data indicated that the level of protein during medium to late gestation does not affect offspring growth, but has an impact on the carcass composition
and meat quality of the steers’. MenosABSTRACT
The objective of this study was to determine whether crude protein intake during late gastation affect growth, carcass characteristics and meat quality of steer rogeny. At 134 ± 14 days prepartum, 68 multiparous Angus cows were blocked by BW and expected calving date and randomly assigned to low protein level (LP, 6% CP) or high protein level (HP, 12% CP). After calving, cows were managed together on improved pastures among lactation. After weaning at 219 ± 13 days of age, calves were managed on native pastures up to 687 ± 13 days of age and then placed in feedlot for 83 days before slaughter. Protein concentration on maternal diet had no influence
on BW and growth rate during rearing or finishing phases (P> 0.10). Rib fat thickness of the steers was not affected (P = 0.38) by maternal nutrition treatments, however, LM area was greater in HP steers than LP steers at feedlot entrance (P = 0.01) and at the end of the finish phase (P = 0.04). Hot carcass weight was similar between treatments (P = 0.69), however, dressing increased in HP in relation to LP steers (P = 0.01). Longissimus muscle tenderness increased in HP compared
to LP steers after 3 and 14 days (P<0.001) of maturation. No differences were observed in troponin-t degradation (P = 0.77) and collagen content (P = 0.58). The diameter of the muscle fibers was similar in LP and HP steers (P = 0.20), suggesting that the increase of LM area in HP steers could be due to muscle hyperplasia. These data indicated tha... Presentar Todo |
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Palabras claves : |
COMPONENTES DE LA CANAL; CRECIMIENTO; DESCENDENCIA; PROGRAMACIÓN FETAL; SUBNUTRICIÓN. |
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Asunto categoría : |
L53 Fisiología Animal - Reproducción |
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URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/13787/1/St-252-p-65-76-Maresca.pdf
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Marc : |
LEADER 02615naa a2200277 a 4500
001 1060404
005 2019-11-13
008 2019 bl uuuu u00u1 u #d
022 $a1688-9266
100 1 $aMARESCA, S.
245 $aInfluencia de la restricción proteica en el último tercio de gestación sobre el crecimiento, características de carcasa y calidad de carne de la descendencia.$h[electronic resource]
260 $c2019
490 $a(INIA Serie Técnica; 252)
520 $aABSTRACT The objective of this study was to determine whether crude protein intake during late gastation affect growth, carcass characteristics and meat quality of steer rogeny. At 134 ± 14 days prepartum, 68 multiparous Angus cows were blocked by BW and expected calving date and randomly assigned to low protein level (LP, 6% CP) or high protein level (HP, 12% CP). After calving, cows were managed together on improved pastures among lactation. After weaning at 219 ± 13 days of age, calves were managed on native pastures up to 687 ± 13 days of age and then placed in feedlot for 83 days before slaughter. Protein concentration on maternal diet had no influence on BW and growth rate during rearing or finishing phases (P> 0.10). Rib fat thickness of the steers was not affected (P = 0.38) by maternal nutrition treatments, however, LM area was greater in HP steers than LP steers at feedlot entrance (P = 0.01) and at the end of the finish phase (P = 0.04). Hot carcass weight was similar between treatments (P = 0.69), however, dressing increased in HP in relation to LP steers (P = 0.01). Longissimus muscle tenderness increased in HP compared to LP steers after 3 and 14 days (P<0.001) of maturation. No differences were observed in troponin-t degradation (P = 0.77) and collagen content (P = 0.58). The diameter of the muscle fibers was similar in LP and HP steers (P = 0.20), suggesting that the increase of LM area in HP steers could be due to muscle hyperplasia. These data indicated that the level of protein during medium to late gestation does not affect offspring growth, but has an impact on the carcass composition and meat quality of the steers’.
653 $aCOMPONENTES DE LA CANAL
653 $aCRECIMIENTO
653 $aDESCENDENCIA
653 $aPROGRAMACIÓN FETAL
653 $aSUBNUTRICIÓN
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 $aPAVON, E.
773 $tIn: QUINTANS, G.; IEWDIUKOW, M. (Ed.). Primer Seminario Técnico de Programación Fetal. Montevideo (UY): INIA, 2019. p. 65-76.
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INIA Treinta y Tres (TT) |
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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 : |
12/09/2014 |
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Actualizado : |
11/02/2019 |
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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 : |
PARUELO, J.M.; PIÑEIRO, G.; BALDI, G.; BAEZA, S.; LEZAMA, F.; ALTESOR, A.; OESTERHELD, M. |
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Afiliación : |
FELIPE LEZAMA HUERTA, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay. |
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Título : |
Carbon stocks and fluxes in rangelands of the Río de la plata basin. |
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Fecha de publicación : |
2010 |
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Fuente / Imprenta : |
Rangeland Ecology & Management, 2010, v. 63, no. 1 p. 94-108. |
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Volumen : |
63 |
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ISSN : |
1551-5028 |
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DOI : |
10.2111/08-055.1 |
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Idioma : |
Inglés |
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Notas : |
Article history: Manuscript received 17 March 2008; manuscript accepted 3 April 2009. |
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Contenido : |
ABSTRACT:
Grasslands are one of the most modified biomes on Earth. Land use changes had a large impact on carbon (C) stocks of grasslands. Understanding the impact of land use/land cover changes on C stocks and fluxes is critical to evaluate the potential of rangeland ecosystem as C sinks. In this article we analyze C stocks and fluxes across the environmental gradients of one of the most extensive temperate rangeland areas: the Rio de la Plata Grasslands (RPG) in South America. The analysis summarizes information provided by field studies, remote sensing estimates, and modeling exercises. Average estimates of aboveground net primary production ( ANPP) ranged from 240 to 316 gC · m~2 · yr"1. Estimates of belowgro und NPP(BNPP) were more variable than ANPP and ranged from 264 to 568 g C · m~2 · yr"1. Total Carbon ranged from 5 004 to 15 008 g C · m~2. Plant biomass contribution to Total Carbon averaged 13 % and varied from 9.5% to 27% among sites. The largest plant C stock corresponded to belowground biomass. Aboveground green biomass represented less than 7% of the plant C. Soil organic carbon (SOC) was concentrated in the slow and passive compartments of the organic matter. Active soil pool represented only 6.7% of the SOC. The understanding of C dynamics and stocks in the RPG grasslands is still partial and incomplete. Field estimates of ANPP and BNPP are scarce, and they are not based on a common measurement protocol. Remotely sensed techniques have the potential to generate a coherent and spatially explicit database on ANPP. However, more work is needed to improve estimates of the spatial and temporal variability of radiation use efficiency. The absence of a flux tower network restricts the ability to track seasonal changes in C uptake and to understand fine-scale controls of C dynamics. MenosABSTRACT:
Grasslands are one of the most modified biomes on Earth. Land use changes had a large impact on carbon (C) stocks of grasslands. Understanding the impact of land use/land cover changes on C stocks and fluxes is critical to evaluate the potential of rangeland ecosystem as C sinks. In this article we analyze C stocks and fluxes across the environmental gradients of one of the most extensive temperate rangeland areas: the Rio de la Plata Grasslands (RPG) in South America. The analysis summarizes information provided by field studies, remote sensing estimates, and modeling exercises. Average estimates of aboveground net primary production ( ANPP) ranged from 240 to 316 gC · m~2 · yr"1. Estimates of belowgro und NPP(BNPP) were more variable than ANPP and ranged from 264 to 568 g C · m~2 · yr"1. Total Carbon ranged from 5 004 to 15 008 g C · m~2. Plant biomass contribution to Total Carbon averaged 13 % and varied from 9.5% to 27% among sites. The largest plant C stock corresponded to belowground biomass. Aboveground green biomass represented less than 7% of the plant C. Soil organic carbon (SOC) was concentrated in the slow and passive compartments of the organic matter. Active soil pool represented only 6.7% of the SOC. The understanding of C dynamics and stocks in the RPG grasslands is still partial and incomplete. Field estimates of ANPP and BNPP are scarce, and they are not based on a common measurement protocol. Remotely sensed techniques have the potential to gener... Presentar Todo |
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Palabras claves : |
ABOVEGROUND NET PRIMARY PRODUCTION; BELOWGROUND NET PRIMARY PRODUCTION; CENTURY MODEL; CUENCA DEL RIO DE LA PLATA; LAND USE - LAND COVER CHANGES; REMOTE SENSING. |
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Thesagro : |
CARBONO; MEDICIONES; MODELOS MATEMATICOS; PASTIZALES; TELEDETECCION. |
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Asunto categoría : |
F40 Ecología vegetal |
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Marc : |
LEADER 02971naa a2200385 a 4500
001 1050201
005 2019-02-11
008 2010 bl uuuu u00u1 u #d
022 $a1551-5028
024 7 $a10.2111/08-055.1$2DOI
100 1 $aPARUELO, J.M.
245 $aCarbon stocks and fluxes in rangelands of the Río de la plata basin.$h[electronic resource]
260 $c2010
300 $a63
490 $v63
500 $aArticle history: Manuscript received 17 March 2008; manuscript accepted 3 April 2009.
520 $aABSTRACT: Grasslands are one of the most modified biomes on Earth. Land use changes had a large impact on carbon (C) stocks of grasslands. Understanding the impact of land use/land cover changes on C stocks and fluxes is critical to evaluate the potential of rangeland ecosystem as C sinks. In this article we analyze C stocks and fluxes across the environmental gradients of one of the most extensive temperate rangeland areas: the Rio de la Plata Grasslands (RPG) in South America. The analysis summarizes information provided by field studies, remote sensing estimates, and modeling exercises. Average estimates of aboveground net primary production ( ANPP) ranged from 240 to 316 gC · m~2 · yr"1. Estimates of belowgro und NPP(BNPP) were more variable than ANPP and ranged from 264 to 568 g C · m~2 · yr"1. Total Carbon ranged from 5 004 to 15 008 g C · m~2. Plant biomass contribution to Total Carbon averaged 13 % and varied from 9.5% to 27% among sites. The largest plant C stock corresponded to belowground biomass. Aboveground green biomass represented less than 7% of the plant C. Soil organic carbon (SOC) was concentrated in the slow and passive compartments of the organic matter. Active soil pool represented only 6.7% of the SOC. The understanding of C dynamics and stocks in the RPG grasslands is still partial and incomplete. Field estimates of ANPP and BNPP are scarce, and they are not based on a common measurement protocol. Remotely sensed techniques have the potential to generate a coherent and spatially explicit database on ANPP. However, more work is needed to improve estimates of the spatial and temporal variability of radiation use efficiency. The absence of a flux tower network restricts the ability to track seasonal changes in C uptake and to understand fine-scale controls of C dynamics.
650 $aCARBONO
650 $aMEDICIONES
650 $aMODELOS MATEMATICOS
650 $aPASTIZALES
650 $aTELEDETECCION
653 $aABOVEGROUND NET PRIMARY PRODUCTION
653 $aBELOWGROUND NET PRIMARY PRODUCTION
653 $aCENTURY MODEL
653 $aCUENCA DEL RIO DE LA PLATA
653 $aLAND USE - LAND COVER CHANGES
653 $aREMOTE SENSING
700 1 $aPIÑEIRO, G.
700 1 $aBALDI, G.
700 1 $aBAEZA, S.
700 1 $aLEZAMA, F.
700 1 $aALTESOR, A.
700 1 $aOESTERHELD, M.
773 $tRangeland Ecology & Management, 2010$gv. 63, no. 1 p. 94-108.
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