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Registro completo
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Biblioteca (s) : |
INIA Treinta y Tres. |
Fecha : |
29/04/2019 |
Actualizado : |
11/10/2019 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Autor : |
MARESCA, S.; LÓPEZ VALIENTE, S.; RODRÍGUEZ A.M.; TESTA, L.M.; LONG, N. M.; QUINTANS, G.; PAVAN, E. |
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. |
Título : |
The influence of protein restriction during mid- to late gestation on beef offspring growth, carcass characteristic and meat quality. |
Fecha de publicación : |
2019 |
Fuente / Imprenta : |
Meat Science, 2019. v.153, p. 103-108. |
DOI : |
10.1016/j.meatsci.2019.03.014 |
Idioma : |
Inglés |
Notas : |
Article history :Received 22 May 2018; Received in revised form 20 February 2019; Accepted 20 March 2019. Available online 21 March 2019. |
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 |
Palabras claves : |
RESTRICCIÓN NUTRICIONAL; RESTRICCIÓN PROTEICA; RESTRICCIONES EN GESTACIÓN. |
Thesagro : |
BOVINOS DE CARNE; GESTACION. |
Asunto categoría : |
L02 Alimentación animal |
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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Registro completo
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Biblioteca (s) : |
INIA Treinta y Tres. |
Fecha actual : |
18/09/2014 |
Actualizado : |
15/05/2015 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Circulación / Nivel : |
A - 2 |
Autor : |
ROEL, A.; HEILMAN, J.L.; MCCAULEY, G.N. |
Afiliación : |
ALVARO ROEL DELLAZOPPA, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay. |
Título : |
Water use and plant response in two rice irrigation methods. |
Fecha de publicación : |
1999 |
Fuente / Imprenta : |
Agricultural Water Management, 1999, v. 39, no. 1, p. 35-46. |
ISSN : |
0378-3774 |
DOI : |
10.1016/S0378-3774(98)00087-0 |
Idioma : |
Inglés |
Contenido : |
Abstract
Pin-Point (PP) irrigation is being used by rice producers in the southern US to suppress red rice (Oryza sativa), the major weed in rice production. In PP irrigation, germinated seed is dropped into the floodwater. After 24 h the field is drained, remains moist for 3 to 5 days, then reflooded until near harvest. Little is known about water use of the PP method in comparison to the conventional Flush-Flood (FF) method in which germinated seed is also dropped into the floodwater and the field is drained after 24 h, similar to PP, or the field is drill-seeded, flooded and drained, but permanent flood is delayed for 30 to 35 days. During this 30 to 35 days non-flood period, flushing (periodic irrigation) is used to maintain seedling contact with the soil and prevent water stress. Water use of PP and FF irrigated rice was studied during 1994 and 1995 growing seasons near Beaumont, TX. Three plots were subjected to the PP irrigation technique and three to the FF method. A flow meter measured irrigation water applied, and lysimeters measured evapotranspiration, transpiration, and evaporation. The FF method required an average of 113 mm more irrigation water than the PP method, due to flushing of FF plots during the non-flood period. Evapotranspiration (ET) was higher for PP plots during the period when FF plots were dry. During the flood period, ET in FF plots was higher than in PP plots in 1994, due to mainly a lower leaf area index and a more open canopy which led to greater evaporation from the water surface. No differences in ET were found in 1995. Stomatal conductance was lower in FF plots during the non-flood period, indicating some degree of water stress. Irrigation method did not affect yield, but the PP method reduced time to 100% heading by 5 to 7 days. These results suggest that the PP method can be useful not only to suppress red rice, but also to save water and produce an earlier maturing crop. Early maturity is particularly important in areas where ratoon cropping is practiced. MenosAbstract
Pin-Point (PP) irrigation is being used by rice producers in the southern US to suppress red rice (Oryza sativa), the major weed in rice production. In PP irrigation, germinated seed is dropped into the floodwater. After 24 h the field is drained, remains moist for 3 to 5 days, then reflooded until near harvest. Little is known about water use of the PP method in comparison to the conventional Flush-Flood (FF) method in which germinated seed is also dropped into the floodwater and the field is drained after 24 h, similar to PP, or the field is drill-seeded, flooded and drained, but permanent flood is delayed for 30 to 35 days. During this 30 to 35 days non-flood period, flushing (periodic irrigation) is used to maintain seedling contact with the soil and prevent water stress. Water use of PP and FF irrigated rice was studied during 1994 and 1995 growing seasons near Beaumont, TX. Three plots were subjected to the PP irrigation technique and three to the FF method. A flow meter measured irrigation water applied, and lysimeters measured evapotranspiration, transpiration, and evaporation. The FF method required an average of 113 mm more irrigation water than the PP method, due to flushing of FF plots during the non-flood period. Evapotranspiration (ET) was higher for PP plots during the period when FF plots were dry. During the flood period, ET in FF plots was higher than in PP plots in 1994, due to mainly a lower leaf area index and a more open canopy which led to gr... Presentar Todo |
Palabras claves : |
EVAPORACION; EVAPOTRANSPIRACION; REQUERIMIENTOS DE AGUA; TRANSPIRACION. |
Thesagro : |
ARROZ IRRIGADO. |
Asunto categoría : |
F06 Riego |
Marc : |
LEADER 02692naa a2200229 a 4500 001 1050382 005 2015-05-15 008 1999 bl uuuu u00u1 u #d 022 $a0378-3774 024 7 $a10.1016/S0378-3774(98)00087-0$2DOI 100 1 $aROEL, A. 245 $aWater use and plant response in two rice irrigation methods.$h[electronic resource] 260 $c1999 520 $aAbstract Pin-Point (PP) irrigation is being used by rice producers in the southern US to suppress red rice (Oryza sativa), the major weed in rice production. In PP irrigation, germinated seed is dropped into the floodwater. After 24 h the field is drained, remains moist for 3 to 5 days, then reflooded until near harvest. Little is known about water use of the PP method in comparison to the conventional Flush-Flood (FF) method in which germinated seed is also dropped into the floodwater and the field is drained after 24 h, similar to PP, or the field is drill-seeded, flooded and drained, but permanent flood is delayed for 30 to 35 days. During this 30 to 35 days non-flood period, flushing (periodic irrigation) is used to maintain seedling contact with the soil and prevent water stress. Water use of PP and FF irrigated rice was studied during 1994 and 1995 growing seasons near Beaumont, TX. Three plots were subjected to the PP irrigation technique and three to the FF method. A flow meter measured irrigation water applied, and lysimeters measured evapotranspiration, transpiration, and evaporation. The FF method required an average of 113 mm more irrigation water than the PP method, due to flushing of FF plots during the non-flood period. Evapotranspiration (ET) was higher for PP plots during the period when FF plots were dry. During the flood period, ET in FF plots was higher than in PP plots in 1994, due to mainly a lower leaf area index and a more open canopy which led to greater evaporation from the water surface. No differences in ET were found in 1995. Stomatal conductance was lower in FF plots during the non-flood period, indicating some degree of water stress. Irrigation method did not affect yield, but the PP method reduced time to 100% heading by 5 to 7 days. These results suggest that the PP method can be useful not only to suppress red rice, but also to save water and produce an earlier maturing crop. Early maturity is particularly important in areas where ratoon cropping is practiced. 650 $aARROZ IRRIGADO 653 $aEVAPORACION 653 $aEVAPOTRANSPIRACION 653 $aREQUERIMIENTOS DE AGUA 653 $aTRANSPIRACION 700 1 $aHEILMAN, J.L. 700 1 $aMCCAULEY, G.N. 773 $tAgricultural Water Management, 1999$gv. 39, no. 1, p. 35-46.
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