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Registro completo
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Biblioteca (s) : |
INIA Tacuarembó. |
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Fecha : |
21/02/2014 |
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Actualizado : |
20/08/2019 |
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Tipo de producción científica : |
Trabajos en Congresos/Conferencias |
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Autor : |
CARRACELAS, G.; GUILPART, N.; GRASSINI, P.; ZORRILLA DE SAN MARTÍN, G.; CASSMAN, K. |
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Afiliación : |
JULIO GONZALO CARRACELAS GARRIDO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; AgroParisTech, France.; University of Nebraska-Lincoln. USA.; GONZALO ROBERTO ZORRILLA DE SAN MARTÍN PEREYRA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; University of Nebraska-Lincoln. USA. |
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Título : |
Yield gap analysis of irrigated rice in Uruguay and comparison with other rice producing countries. [Resumen]. |
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Fecha de publicación : |
2019 |
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Fuente / Imprenta : |
ln: Congresso Brasileiro de Arroz Irrigado, 11., 13-16 agosto, Camboriú, Brasil, 2019. |
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Páginas : |
4 p. |
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Idioma : |
Español |
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Contenido : |
The Uruguayan rice sector has been one of the most successful and most integrated agricultural industries in the country. Rice yields in Uruguay have increased at one of the highest annual rates worldwide (145kg-1 ha-1 yr-1 from 2000 to 2017). However, this trend has shown a marked slowdown in recent years, which may be indicating that average rice yields approach the biophysical yield ceiling (Figure 1). Indeed average farm yields often begin to plateau when they reach 75 to 85% of the yield potential (CASSMAN et al., 2003; LOBELL et al., 2009). Determination of rice yield potential in Uruguay, is essential to identify opportunities for future yield gains. Also unknown is if the high increase in rice yield in Uruguay was partially determined or not by climate change. Due to current high inputs costs and low rice prices, keeping rice yields trend is critical for the viability and sustainability of the crop in Uruguay. The aims of this work were: firstly, to estimate rice yield potential (Yp) and current exploitable yield gaps (Yg) at regional and local-farm levels in Uruguay, secondly, to analyze current rice yield trends in Uruguay and to determine to which degree the incipient yield plateau can be attributed to a biophysical limit and thirdly to compare results with other rice producing countries included in the Global Yield Gap Atlas for which rice yield potential and yield gap estimates are available. |
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Palabras claves : |
CROP MODEL; GYGA; RICE (ORYZA SATIVA L.); SUSTAINABILITY; YIELD TREND. |
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Thesagro : |
ARROZ. |
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Asunto categoría : |
F01 Cultivo |
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URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/13134/1/Carracelas-Congreso-2019-Resumen.pdf
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Marc : |
LEADER 02170nam a2200241 a 4500
001 1027156
005 2019-08-20
008 2019 bl uuuu u01u1 u #d
100 1 $aCARRACELAS, G.
245 $aYield gap analysis of irrigated rice in Uruguay and comparison with other rice producing countries. [Resumen].$h[electronic resource]
260 $aln: Congresso Brasileiro de Arroz Irrigado, 11., 13-16 agosto, Camboriú, Brasil$c2019
300 $a4 p.
520 $aThe Uruguayan rice sector has been one of the most successful and most integrated agricultural industries in the country. Rice yields in Uruguay have increased at one of the highest annual rates worldwide (145kg-1 ha-1 yr-1 from 2000 to 2017). However, this trend has shown a marked slowdown in recent years, which may be indicating that average rice yields approach the biophysical yield ceiling (Figure 1). Indeed average farm yields often begin to plateau when they reach 75 to 85% of the yield potential (CASSMAN et al., 2003; LOBELL et al., 2009). Determination of rice yield potential in Uruguay, is essential to identify opportunities for future yield gains. Also unknown is if the high increase in rice yield in Uruguay was partially determined or not by climate change. Due to current high inputs costs and low rice prices, keeping rice yields trend is critical for the viability and sustainability of the crop in Uruguay. The aims of this work were: firstly, to estimate rice yield potential (Yp) and current exploitable yield gaps (Yg) at regional and local-farm levels in Uruguay, secondly, to analyze current rice yield trends in Uruguay and to determine to which degree the incipient yield plateau can be attributed to a biophysical limit and thirdly to compare results with other rice producing countries included in the Global Yield Gap Atlas for which rice yield potential and yield gap estimates are available.
650 $aARROZ
653 $aCROP MODEL
653 $aGYGA
653 $aRICE (ORYZA SATIVA L.)
653 $aSUSTAINABILITY
653 $aYIELD TREND
700 1 $aGUILPART, N.
700 1 $aGRASSINI, P.
700 1 $aZORRILLA DE SAN MARTÍN, G.
700 1 $aCASSMAN, K.
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INIA Tacuarembó (TBO) |
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 | Acceso al texto completo restringido a Biblioteca INIA Tacuarembó. Por información adicional contacte bibliotb@tb.inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA Tacuarembó. |
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Fecha actual : |
22/10/2014 |
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Actualizado : |
04/05/2020 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
Internacional - -- |
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Autor : |
VOTE, D.J.; BOWLING, M.B.; CUNHA, B.C.N.; BELK, K.E.; TATUM, J.D.; MONTOSSI, F.; SMITH, G.C. |
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Afiliación : |
D.J. VOTE, Cargill Meat Solutions, United States; M.B. BOWLING, Center for Meat Safety and Quality, Department of Animal Sciences, Colorado State University, United States; B.C.N. CUNHA, Minerva Ltd., Sao Paulo, Brazil; K.E. BELK, Center for Meat Safety and Quality, Department of Animal Sciences, Colorado State University, United States; J.D. TATUM, Center for Meat Safety and Quality, Department of Animal Sciences, Colorado State University, United States; FABIO MARCELO MONTOSSI PORCHILE, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay; G.C. SMITH, Center for Meat Safety and Quality, Department of Animal Sciences, Colorado State University, United States. |
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Título : |
Video image analysis as a potential grading system for Uruguayan beef carcasses. |
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Fecha de publicación : |
2009 |
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Fuente / Imprenta : |
Journal of Animal Science, Volume 87, Issue 7, July 2009, Pages 2376-2390.DOI: https://doi.org/10.2527/jas.2009-1791 |
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DOI : |
10.2527/jas.2009-1791 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received January 12, 2009; Accepted March 26, 2009. Corresponding author: keith.belk@colostate.edu |
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Contenido : |
Abstract: A study was conducted in 2 phases to evaluate the effectiveness of 1) the VIAscan Beef Carcass System (BCSys; hot carcass system) and the CVS BeefCam (chilled carcass system), used independently or in combination, to predict Uruguayan beef carcass fabrication yields; and 2) the CVS BeefCam to segregate Uruguayan beef carcasses into groups that differ in the Warner-Bratzler shear force (WBSF) values of their LM steaks. The results from the meat yield phase of the present study indicated that the prediction of saleable meat yield percentages from Uruguayan beef carcasses by use of the BCSys or CVS BeefCam is similar to, or slightly better than, the use of USDA yield grade calculated to the nearest 0.1 and was much more effective than prediction based on Uruguay National Institute of Meat (INAC) grades. A further improvement in fabrication yield prediction could be obtained by use of a dual-component video image analysis (VIA) system. Whichever method of VIA prediction of fabrication yield is used, a single predicted value of fabrication yield for every carcass removes an impediment to the implementation of a value-based pricing system. Additionally, a VIA method of predicting carcass yield has the advantage over the current INAC classification system in that estimates would be produced by an instrument rather than by packing plant personnel, which would appeal to cattle producers. Results from the tenderness phase of the study indicated that the CVS BeefCam output variable for marbling was not (P > 0.05) able to segregate steer and heifer carcasses into groups that differed in WBSF values. In addition, the results of segregating steer and heifer carcasses according to muscle color output variables indicate that muscle maturity and skeletal maturity were useful for segregating carcasses according to differences in WBSF values of their steaks (P > 0.05). Use of VIA to predict beef carcass fabrication yields could improve accuracy and reduce subjectivity in comparison with use of current INAC grades. Use of VIA to sort carcasses according to muscle color would allow for the marketing of more consistent beef products with respect to tenderness. This would help facilitate the initiation of a value-based marketing system for the Uruguayan beef industry. MenosAbstract: A study was conducted in 2 phases to evaluate the effectiveness of 1) the VIAscan Beef Carcass System (BCSys; hot carcass system) and the CVS BeefCam (chilled carcass system), used independently or in combination, to predict Uruguayan beef carcass fabrication yields; and 2) the CVS BeefCam to segregate Uruguayan beef carcasses into groups that differ in the Warner-Bratzler shear force (WBSF) values of their LM steaks. The results from the meat yield phase of the present study indicated that the prediction of saleable meat yield percentages from Uruguayan beef carcasses by use of the BCSys or CVS BeefCam is similar to, or slightly better than, the use of USDA yield grade calculated to the nearest 0.1 and was much more effective than prediction based on Uruguay National Institute of Meat (INAC) grades. A further improvement in fabrication yield prediction could be obtained by use of a dual-component video image analysis (VIA) system. Whichever method of VIA prediction of fabrication yield is used, a single predicted value of fabrication yield for every carcass removes an impediment to the implementation of a value-based pricing system. Additionally, a VIA method of predicting carcass yield has the advantage over the current INAC classification system in that estimates would be produced by an instrument rather than by packing plant personnel, which would appeal to cattle producers. Results from the tenderness phase of the study indicated that the CVS BeefCam output va... Presentar Todo |
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Palabras claves : |
INSTRUMENT GRADING; URUGUAYAN BEEF; VIDEO IMAGE ANALYSIS. |
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Thesagro : |
CARNE; URUGUAY. |
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Asunto categoría : |
L01 Ganadería |
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Marc : |
LEADER 03208naa a2200277 a 4500
001 1051246
005 2020-05-04
008 2009 bl uuuu u00u1 u #d
024 7 $a10.2527/jas.2009-1791$2DOI
100 1 $aVOTE, D.J.
245 $aVideo image analysis as a potential grading system for Uruguayan beef carcasses.
260 $c2009
500 $aArticle history: Received January 12, 2009; Accepted March 26, 2009. Corresponding author: keith.belk@colostate.edu
520 $aAbstract: A study was conducted in 2 phases to evaluate the effectiveness of 1) the VIAscan Beef Carcass System (BCSys; hot carcass system) and the CVS BeefCam (chilled carcass system), used independently or in combination, to predict Uruguayan beef carcass fabrication yields; and 2) the CVS BeefCam to segregate Uruguayan beef carcasses into groups that differ in the Warner-Bratzler shear force (WBSF) values of their LM steaks. The results from the meat yield phase of the present study indicated that the prediction of saleable meat yield percentages from Uruguayan beef carcasses by use of the BCSys or CVS BeefCam is similar to, or slightly better than, the use of USDA yield grade calculated to the nearest 0.1 and was much more effective than prediction based on Uruguay National Institute of Meat (INAC) grades. A further improvement in fabrication yield prediction could be obtained by use of a dual-component video image analysis (VIA) system. Whichever method of VIA prediction of fabrication yield is used, a single predicted value of fabrication yield for every carcass removes an impediment to the implementation of a value-based pricing system. Additionally, a VIA method of predicting carcass yield has the advantage over the current INAC classification system in that estimates would be produced by an instrument rather than by packing plant personnel, which would appeal to cattle producers. Results from the tenderness phase of the study indicated that the CVS BeefCam output variable for marbling was not (P > 0.05) able to segregate steer and heifer carcasses into groups that differed in WBSF values. In addition, the results of segregating steer and heifer carcasses according to muscle color output variables indicate that muscle maturity and skeletal maturity were useful for segregating carcasses according to differences in WBSF values of their steaks (P > 0.05). Use of VIA to predict beef carcass fabrication yields could improve accuracy and reduce subjectivity in comparison with use of current INAC grades. Use of VIA to sort carcasses according to muscle color would allow for the marketing of more consistent beef products with respect to tenderness. This would help facilitate the initiation of a value-based marketing system for the Uruguayan beef industry.
650 $aCARNE
650 $aURUGUAY
653 $aINSTRUMENT GRADING
653 $aURUGUAYAN BEEF
653 $aVIDEO IMAGE ANALYSIS
700 1 $aBOWLING, M.B.
700 1 $aCUNHA, B.C.N.
700 1 $aBELK, K.E.
700 1 $aTATUM, J.D.
700 1 $aMONTOSSI, F.
700 1 $aSMITH, G.C.
773 $tJournal of Animal Science, Volume 87, Issue 7, July 2009, Pages 2376-2390.DOI: https://doi.org/10.2527/jas.2009-1791
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