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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela; INIA Treinta y Tres. |
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Fecha : |
23/04/2021 |
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Actualizado : |
02/09/2022 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Nacionales |
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Autor : |
CLARIGET, J.M.; LEMA, O.M.; LA MANNA, A.; PEREZ, E.; BANCHERO, G.; FERNANDEZ, E. |
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Afiliación : |
JUAN MANUEL CLARIGET BRIZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; OSCAR MARIO LEMA QUEIJO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ALEJANDRO FRANCISCO LA MANNA ALONSO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; EDUARDO FABIAN PEREZ ARRUTTI, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; GEORGGET ELIZABETH BANCHERO HUNZIKER, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ENRIQUE GENARO FERNANDEZ RODRIGUEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
Estimated beef cattle performance under intensive grazing systems in Uruguay. [Estimación del desempeño de bovinos para carne en sistemas pastoriles].[Estimativa do desempenho de bovinos de corte em sistemas pastoris intensivos do Uruguai]. |
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Fecha de publicación : |
2021 |
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Fuente / Imprenta : |
Agrociencia Uruguay, Vol. 25, no. 1, Apr. 2021, p. e107. DOI: https://doi.org/10.31285/AGRO.25.107. |
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ISSN : |
e-ISSN: 2301-1548 |
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DOI : |
10.31285/AGRO.25.107 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received 24 Jul 2019/Accepted 25 Feb 2021/Published 23 Apr 2021. Correspondence: jclariget@inia.org.uy. |
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Contenido : |
Abstract:The objective of this study was to analyze the effect of the quantity and quality of the feed offered on the performance of male beef cattle, >6 months old, on intensive grazing systems in Uruguay. Two hundred and fifty-four results from different experimental trials (nexp=68) performed between 1991 and 2020 by different research institutions in Uruguay were compiled and analyzed. The experiments included feeding studies with cultivated pastures as a single nutritional source (nexp=61), as well as supplementation studies on the same type of pastures (nexp=49). Simple, quadratic, multiple linear regressions and recursive partitions were performed to synthesize the information. Quadratic relationships between forage allowance (FA) and average daily gain (ADG) were observed for the different animal categories and seasons of the year. Including other parameters such as initial body weight and supplementation with energy concentrates or silages allowed to predict the ADG of animals under a wide range of feeding alternatives. Briefly, low FA levels (≤1.75 %BW) limit animal performance to maintenance gain conditions (0.2 kg/day). To achieve adequate levels of ADG (0.6-0.7 kg/day), with a low to moderate FA (between 1.75 to 3.5 %BW), the nutritional value of pasture needs to reach at least level 3 of quality (>58 %ODM, >13 %CP, <50 %NDF, >21 %Leg and <19 %DR). These daily gains can be exceeded if the FA is >3.5 %BW (ADG in the range of 0.7 to 1.0 kg/day). The increased response in additional ADG (0.4-0.5 kg/day) by the effect of supplementation with energy concentrate was achieved with low FA levels (≤2.25 %BW). The prediction of additional ADG using a multiple linear regression parameter allows evaluating whether supplementation is appropriate.
Resumen: El objetivo del presente trabajo fue analizar el efecto de la cantidad y la calidad de alimento ofrecido sobre el desempeño de bovinos para carne machos, de más de 6 meses de vida, en sistemas pastoriles intensivos de Uruguay. Se compilaron y analizaron 254 resultados de diferentes trabajos experimentales (nexp=68) realizados por distintas instituciones de investigación de Uruguay entre los años 1991 y 2020. Los estudios incluyen trabajos de alimentación con pasturas cultivadas como única fuente nutricional (nexp=61), así como trabajos de
suplementación sobre ese mismo tipo de pasturas (nexp=49). Se realizaron regresiones lineales simples, cuadráticas, lineales múltiples y particiones recursivas de modo de sintetizar la información. Se observaron relaciones cuadráticas entre la asignación de forraje (AF) y la ganancia media diaria (GMD) para las diferentes categorías y estaciones del año. La inclusión de otros parámetros como peso vivo inicial y suplementación con concentrados energéticos o ensilajes permitió predecir la GMD de los animales bajo un amplio rango de alternativas de alimentación. Brevemente, niveles bajos de AF (?1,75 %PV) limitan el desempeño animal a condiciones de mantenimiento (0,2 kg/día). Para lograr niveles de GMD adecuados (0,6-0,7 kg/día), con AF bajas a moderadas (entre 1,75 a 3,5 %PV), se necesita que el valor nutritivo de la pastura alcance al menos el nivel 3 de calidad (>58 %DMO, >13 %PC, <50 %FDN, >21 %Leg y <19 %RS). Esas ganancias pueden superarse si la AF es >3,5 %PV (GMD en el rango de 0,7 a 1,0 kg/día). La mayor respuesta en GMD adicional (0,4-0,5 kg/día) por efecto de la suplementación con concentrados energéticos se logra con niveles de AF bajos (?2,25 %PV). La predicción de GMD adicional utilizando los parámetros de la regresión lineal múltiple permite evaluar la conveniencia de la suplementación. MenosAbstract:The objective of this study was to analyze the effect of the quantity and quality of the feed offered on the performance of male beef cattle, >6 months old, on intensive grazing systems in Uruguay. Two hundred and fifty-four results from different experimental trials (nexp=68) performed between 1991 and 2020 by different research institutions in Uruguay were compiled and analyzed. The experiments included feeding studies with cultivated pastures as a single nutritional source (nexp=61), as well as supplementation studies on the same type of pastures (nexp=49). Simple, quadratic, multiple linear regressions and recursive partitions were performed to synthesize the information. Quadratic relationships between forage allowance (FA) and average daily gain (ADG) were observed for the different animal categories and seasons of the year. Including other parameters such as initial body weight and supplementation with energy concentrates or silages allowed to predict the ADG of animals under a wide range of feeding alternatives. Briefly, low FA levels (≤1.75 %BW) limit animal performance to maintenance gain conditions (0.2 kg/day). To achieve adequate levels of ADG (0.6-0.7 kg/day), with a low to moderate FA (between 1.75 to 3.5 %BW), the nutritional value of pasture needs to reach at least level 3 of quality (>58 %ODM, >13 %CP, <50 %NDF, >21 %Leg and <19 %DR). These daily gains can be exceeded if the FA is >3.5 %BW (ADG in the range of 0.7 to 1.0 kg/day). The increase... Presentar Todo |
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Palabras claves : |
CULTIVATED PASTURE; FATTENING; PASTURAS CULTIVADAS; REARING; REVIEW; SUPPLEMENTATION. |
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Thesagro : |
BOVINOS DE CARNE; ENGORDE; RECRIA; SUPLEMENTACION. |
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Asunto categoría : |
L01 Ganadería |
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URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/16642/1/107-Article-Text-3971-1-10-20210423.pdf
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Marc : |
LEADER 04928naa a2200337 a 4500
001 1061992
005 2022-09-02
008 2021 bl uuuu u00u1 u #d
022 $ae-ISSN: 2301-1548
024 7 $a10.31285/AGRO.25.107$2DOI
100 1 $aCLARIGET, J.M.
245 $aEstimated beef cattle performance under intensive grazing systems in Uruguay. [Estimación del desempeño de bovinos para carne en sistemas pastoriles].[Estimativa do desempenho de bovinos de corte em sistemas pastoris intensivos do Uruguai].$h[electronic resource]
260 $c2021
500 $aArticle history: Received 24 Jul 2019/Accepted 25 Feb 2021/Published 23 Apr 2021. Correspondence: jclariget@inia.org.uy.
520 $aAbstract:The objective of this study was to analyze the effect of the quantity and quality of the feed offered on the performance of male beef cattle, >6 months old, on intensive grazing systems in Uruguay. Two hundred and fifty-four results from different experimental trials (nexp=68) performed between 1991 and 2020 by different research institutions in Uruguay were compiled and analyzed. The experiments included feeding studies with cultivated pastures as a single nutritional source (nexp=61), as well as supplementation studies on the same type of pastures (nexp=49). Simple, quadratic, multiple linear regressions and recursive partitions were performed to synthesize the information. Quadratic relationships between forage allowance (FA) and average daily gain (ADG) were observed for the different animal categories and seasons of the year. Including other parameters such as initial body weight and supplementation with energy concentrates or silages allowed to predict the ADG of animals under a wide range of feeding alternatives. Briefly, low FA levels (≤1.75 %BW) limit animal performance to maintenance gain conditions (0.2 kg/day). To achieve adequate levels of ADG (0.6-0.7 kg/day), with a low to moderate FA (between 1.75 to 3.5 %BW), the nutritional value of pasture needs to reach at least level 3 of quality (>58 %ODM, >13 %CP, <50 %NDF, >21 %Leg and <19 %DR). These daily gains can be exceeded if the FA is >3.5 %BW (ADG in the range of 0.7 to 1.0 kg/day). The increased response in additional ADG (0.4-0.5 kg/day) by the effect of supplementation with energy concentrate was achieved with low FA levels (≤2.25 %BW). The prediction of additional ADG using a multiple linear regression parameter allows evaluating whether supplementation is appropriate. Resumen: El objetivo del presente trabajo fue analizar el efecto de la cantidad y la calidad de alimento ofrecido sobre el desempeño de bovinos para carne machos, de más de 6 meses de vida, en sistemas pastoriles intensivos de Uruguay. Se compilaron y analizaron 254 resultados de diferentes trabajos experimentales (nexp=68) realizados por distintas instituciones de investigación de Uruguay entre los años 1991 y 2020. Los estudios incluyen trabajos de alimentación con pasturas cultivadas como única fuente nutricional (nexp=61), así como trabajos de suplementación sobre ese mismo tipo de pasturas (nexp=49). Se realizaron regresiones lineales simples, cuadráticas, lineales múltiples y particiones recursivas de modo de sintetizar la información. Se observaron relaciones cuadráticas entre la asignación de forraje (AF) y la ganancia media diaria (GMD) para las diferentes categorías y estaciones del año. La inclusión de otros parámetros como peso vivo inicial y suplementación con concentrados energéticos o ensilajes permitió predecir la GMD de los animales bajo un amplio rango de alternativas de alimentación. Brevemente, niveles bajos de AF (?1,75 %PV) limitan el desempeño animal a condiciones de mantenimiento (0,2 kg/día). Para lograr niveles de GMD adecuados (0,6-0,7 kg/día), con AF bajas a moderadas (entre 1,75 a 3,5 %PV), se necesita que el valor nutritivo de la pastura alcance al menos el nivel 3 de calidad (>58 %DMO, >13 %PC, <50 %FDN, >21 %Leg y <19 %RS). Esas ganancias pueden superarse si la AF es >3,5 %PV (GMD en el rango de 0,7 a 1,0 kg/día). La mayor respuesta en GMD adicional (0,4-0,5 kg/día) por efecto de la suplementación con concentrados energéticos se logra con niveles de AF bajos (?2,25 %PV). La predicción de GMD adicional utilizando los parámetros de la regresión lineal múltiple permite evaluar la conveniencia de la suplementación.
650 $aBOVINOS DE CARNE
650 $aENGORDE
650 $aRECRIA
650 $aSUPLEMENTACION
653 $aCULTIVATED PASTURE
653 $aFATTENING
653 $aPASTURAS CULTIVADAS
653 $aREARING
653 $aREVIEW
653 $aSUPPLEMENTATION
700 1 $aLEMA, O.M.
700 1 $aLA MANNA, A.
700 1 $aPEREZ, E.
700 1 $aBANCHERO, G.
700 1 $aFERNANDEZ, E.
773 $tAgrociencia Uruguay, Vol. 25, no. 1, Apr. 2021, p. e107. DOI: https://doi.org/10.31285/AGRO.25.107.
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Registro original : |
INIA La Estanzuela (LE) |
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Registro completo
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Biblioteca (s) : |
INIA Tacuarembó. |
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Fecha actual : |
08/10/2019 |
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Actualizado : |
02/12/2019 |
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Tipo de producción científica : |
Presentaciones Orales |
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Autor : |
BENNADJI, Z.; ALFONSO, M.; MELLO, S.; NUÑEZ, P. |
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Afiliación : |
ZOHRA BENNADJI SOUALHIA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARCELO FABIAN ALFONSO DEL PINO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; STEFANI MELLO SOUZA, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay; PABLO TABARE NUÑEZ RODRIGUEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
Participative tree domestication as a strategy for use and conservation of highvalue native forest species in Uruguay. |
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Fecha de publicación : |
2019 |
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Fuente / Imprenta : |
In: Pesquisa florestal brasileira = Brazilian journal of forestry research., v. 39, e201902043, Special issue, 2019. Colombo : Embrapa Florestas, 2019. Congreso IUFRO, 25., Curitiba, Brasil, 29 setiembre-05 octubre, 2019. Abstracts. |
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Páginas : |
p. 507 |
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Idioma : |
Inglés |
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Contenido : |
As a traditional livestock country, Uruguay is still an emergent forestry country despite the commercial plantations boom of the nineteens, based on exotic fast growing species. There is a scarce experience on the conservation, domestication and breeding of native forest species in the country and this situation has a negative impact on the establishment of agroforestry systems and on the implementation of native forests conservation and restauration actions. The purpose of this work is to present the knowledge generated in participative tree domestication of high‐value native forest species in Uruguay as a
strategy for shortening the way and opening opportunities for: (i) the improved seed and seedling production, (ii) the forest species diversification, (iii) the small scale forestry establishment, (iv) the use/incorporation of high‐value native forest trees in livestock and agriculture activities and (v) the awareness on climate change impacts and it relationship with deforestation‐afforestation, land use and land restoration. |
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Palabras claves : |
DIVERSIFICACIÓN DE ESPECIES; NATIVE FOREST; URUGUAY. |
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Thesagro : |
FORESTACIÓN. |
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Asunto categoría : |
K10 Producción forestal |
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URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/13466/1/Bennadji-2019-Participative.pdf
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Marc : |
LEADER 01876nam a2200205 a 4500
001 1060299
005 2019-12-02
008 2019 bl uuuu u01u1 u #d
100 1 $aBENNADJI, Z.
245 $aParticipative tree domestication as a strategy for use and conservation of highvalue native forest species in Uruguay.$h[electronic resource]
260 $aIn: Pesquisa florestal brasileira = Brazilian journal of forestry research., v. 39, e201902043, Special issue, 2019. Colombo : Embrapa Florestas, 2019. Congreso IUFRO, 25., Curitiba, Brasil, 29 setiembre-05 octubre, 2019. Abstracts.$c2019
300 $ap. 507
520 $aAs a traditional livestock country, Uruguay is still an emergent forestry country despite the commercial plantations boom of the nineteens, based on exotic fast growing species. There is a scarce experience on the conservation, domestication and breeding of native forest species in the country and this situation has a negative impact on the establishment of agroforestry systems and on the implementation of native forests conservation and restauration actions. The purpose of this work is to present the knowledge generated in participative tree domestication of high‐value native forest species in Uruguay as a strategy for shortening the way and opening opportunities for: (i) the improved seed and seedling production, (ii) the forest species diversification, (iii) the small scale forestry establishment, (iv) the use/incorporation of high‐value native forest trees in livestock and agriculture activities and (v) the awareness on climate change impacts and it relationship with deforestation‐afforestation, land use and land restoration.
650 $aFORESTACIÓN
653 $aDIVERSIFICACIÓN DE ESPECIES
653 $aNATIVE FOREST
653 $aURUGUAY
700 1 $aALFONSO, M.
700 1 $aMELLO, S.
700 1 $aNUÑEZ, P.
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