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Biblioteca (s) : |
INIA La Estanzuela. |
Fecha : |
08/11/2018 |
Actualizado : |
13/02/2020 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Autor : |
DINI, Y.; CAJARVILLE, C.; GERE, J.I.; FERNANDEZ. S.; FRAGA, M.; PRAVIA, M.I.; NAVAJAS, E.; CIGANDA, V. |
Afiliación : |
YOANA DINI, Departamento de Nutrición Animal, Facultad de Veterinaria, Universidad de la República, San José, Uruguay.; CECILIA CAJARVILLE, Departamento de Nutrición Animal, Facultad de Veterinaria, Universidad de la República, San José, Uruguay.; J I GERE, UIDI, Facultad Regional Buenos Aires, Universidad Tecnológica Nacional. Ciudad Autónoma de Buenos Aires, Argentina.; S FERNANDEZ, Departamento de Microbiología, Instituto de Investigaciones Biológicas Clemente Estable, Montevideo, Uruguay.; MARTIN FRAGA COTELO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARIA ISABEL PRAVIA NIN, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ELLY ANA NAVAJAS VALENTINI, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; VERONICA SOLANGE CIGANDA BRASCA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
Título : |
Association between residual feed intake and enteric methane emissions in Hereford steers. |
Fecha de publicación : |
2019 |
Fuente / Imprenta : |
Translational Animal Science, v. 3, Issue 1, 1 January 2019, Pages 65-72. Doi: https://doi.10.1093/tas/txy111. |
DOI : |
10.1093/tas/txy111 |
Idioma : |
Inglés |
Notas : |
Article history: Published: 01 October 2018 // Received: 12 September 2018. |
Contenido : |
Abstract:
The objective of this study was to quantify the emissions of enteric CH4 from growing Hereford steers raised under feedlot conditions based on contrasting levels of residual feed intake (RFI). A repeated measurements experiment was conducted over 20 d to determine CH4 production from two groups of nine Hereford steers, with contrasting RFI values (mean ± SD): low RFI (LRFI group; −0.78 ± 0.22 kg DMI/d) vs. high RFI (HRFI group; 0.83 ± 0.34 kg DMI/d). Steers were selected from a larger contemporary population in which the RFI was evaluated. Steers were maintained under confined conditions with ad libitum access to water and feed, comprising a total mixed ration of 55% sorghum silage, 21% barley silage, 21% corn grain, and 3% protein?mineral?vitamin?premix, provided twice a day. Before the beginning of CH4 measurements, the live weight of both groups of animals was determined, which on average (±SEM) was 357.0 ± 5.11 and 334.0 ± 10.17 kg in the LRFI and HRFI groups, respectively. Methane emission (g/d) was measured on each animal with the sulfur hexafluoride (SF6) tracer technique, during two consecutive periods of 5 d. Individual daily intake and feeding behavior characteristics were measured using a GrowSafe automated feeding system (Model 6000, GrowSafe Systems Ltd, Airdrie, Alberta, Canada). Methanogens in the ruminal content were quantified using quantitative polymerase chain reaction with primers targeting the mcrA gene. Methane emission was near 27% lower in animals with LRFI when expressed in absolute terms (g/d; 26.8%; P = 0.009), by unit of dry matter intake (g CH4/kg; 27.9%, P = 0.021), or as % of gross energy intake (26.7%; P = 0.027). These differences could not be explained by differences in amount of total of methanogens (average = 9.82 log10 units; P = 0.857). However, there were some differences in animal feeding behavior that could explain these differences (e.g., LRFI animals tended to spend less time in feeders). Our results suggest that, in Hereford steers, the selection by RFI values is a promising mitigation strategy for the reduction of the emission of enteric CH4. MenosAbstract:
The objective of this study was to quantify the emissions of enteric CH4 from growing Hereford steers raised under feedlot conditions based on contrasting levels of residual feed intake (RFI). A repeated measurements experiment was conducted over 20 d to determine CH4 production from two groups of nine Hereford steers, with contrasting RFI values (mean ± SD): low RFI (LRFI group; −0.78 ± 0.22 kg DMI/d) vs. high RFI (HRFI group; 0.83 ± 0.34 kg DMI/d). Steers were selected from a larger contemporary population in which the RFI was evaluated. Steers were maintained under confined conditions with ad libitum access to water and feed, comprising a total mixed ration of 55% sorghum silage, 21% barley silage, 21% corn grain, and 3% protein?mineral?vitamin?premix, provided twice a day. Before the beginning of CH4 measurements, the live weight of both groups of animals was determined, which on average (±SEM) was 357.0 ± 5.11 and 334.0 ± 10.17 kg in the LRFI and HRFI groups, respectively. Methane emission (g/d) was measured on each animal with the sulfur hexafluoride (SF6) tracer technique, during two consecutive periods of 5 d. Individual daily intake and feeding behavior characteristics were measured using a GrowSafe automated feeding system (Model 6000, GrowSafe Systems Ltd, Airdrie, Alberta, Canada). Methanogens in the ruminal content were quantified using quantitative polymerase chain reaction with primers targeting the mcrA gene. Methane emission was near 27% lowe... Presentar Todo |
Palabras claves : |
ENTERIC METHANE; FEEDING BEHAVIOUR; METHANOGENS; RESIDUAL FEED INTAKE; STEERS. |
Thesagro : |
GASES DE EFECTO INVERNADERO; HEREFORD; NOVILLOS. |
Asunto categoría : |
-- |
Marc : |
LEADER 03166naa a2200325 a 4500 001 1059292 005 2020-02-13 008 2019 bl uuuu u00u1 u #d 024 7 $a10.1093/tas/txy111$2DOI 100 1 $aDINI, Y. 245 $aAssociation between residual feed intake and enteric methane emissions in Hereford steers.$h[electronic resource] 260 $c2019 500 $aArticle history: Published: 01 October 2018 // Received: 12 September 2018. 520 $aAbstract: The objective of this study was to quantify the emissions of enteric CH4 from growing Hereford steers raised under feedlot conditions based on contrasting levels of residual feed intake (RFI). A repeated measurements experiment was conducted over 20 d to determine CH4 production from two groups of nine Hereford steers, with contrasting RFI values (mean ± SD): low RFI (LRFI group; −0.78 ± 0.22 kg DMI/d) vs. high RFI (HRFI group; 0.83 ± 0.34 kg DMI/d). Steers were selected from a larger contemporary population in which the RFI was evaluated. Steers were maintained under confined conditions with ad libitum access to water and feed, comprising a total mixed ration of 55% sorghum silage, 21% barley silage, 21% corn grain, and 3% protein?mineral?vitamin?premix, provided twice a day. Before the beginning of CH4 measurements, the live weight of both groups of animals was determined, which on average (±SEM) was 357.0 ± 5.11 and 334.0 ± 10.17 kg in the LRFI and HRFI groups, respectively. Methane emission (g/d) was measured on each animal with the sulfur hexafluoride (SF6) tracer technique, during two consecutive periods of 5 d. Individual daily intake and feeding behavior characteristics were measured using a GrowSafe automated feeding system (Model 6000, GrowSafe Systems Ltd, Airdrie, Alberta, Canada). Methanogens in the ruminal content were quantified using quantitative polymerase chain reaction with primers targeting the mcrA gene. Methane emission was near 27% lower in animals with LRFI when expressed in absolute terms (g/d; 26.8%; P = 0.009), by unit of dry matter intake (g CH4/kg; 27.9%, P = 0.021), or as % of gross energy intake (26.7%; P = 0.027). These differences could not be explained by differences in amount of total of methanogens (average = 9.82 log10 units; P = 0.857). However, there were some differences in animal feeding behavior that could explain these differences (e.g., LRFI animals tended to spend less time in feeders). Our results suggest that, in Hereford steers, the selection by RFI values is a promising mitigation strategy for the reduction of the emission of enteric CH4. 650 $aGASES DE EFECTO INVERNADERO 650 $aHEREFORD 650 $aNOVILLOS 653 $aENTERIC METHANE 653 $aFEEDING BEHAVIOUR 653 $aMETHANOGENS 653 $aRESIDUAL FEED INTAKE 653 $aSTEERS 700 1 $aCAJARVILLE, C. 700 1 $aGERE, J.I. 700 1 $aFERNANDEZ. S. 700 1 $aFRAGA, M. 700 1 $aPRAVIA, M.I. 700 1 $aNAVAJAS, E. 700 1 $aCIGANDA, V. 773 $tTranslational Animal Science$gv. 3, Issue 1, 1 January 2019, Pages 65-72. Doi: https://doi.10.1093/tas/txy111.
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INIA La Estanzuela (LE) |
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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
Fecha actual : |
25/10/2016 |
Actualizado : |
25/10/2016 |
Tipo de producción científica : |
Trabajos en Congresos/Conferencias |
Autor : |
QUERO, C.; FERNANDEZ, S.; BRANDARIZ, S.B.; SIMONDI, S.; GUTIÉRREZ, L. |
Afiliación : |
C. QUERO, Universidad de la República (UdelaR)/ Facultad de Agronomía; SCHUBERT DANIEL FERNANDEZ REGGIARDO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; S.B. BRANDARIZ, Universidad de la República (UdelaR)/ Facultad de Agronomía; S. SIMONDI, Facultad de Ciencias Naturales y Exactas, Universidad Nacional de Cuyo, Argentina; L. GUTIÉRREZ, Agronomy Department, University of Wisconsin, Madison, USA. |
Título : |
Herramientas de análisis y visualización genómica. |
Complemento del título : |
MV 10 - COMUNICACIONES LIBRES - MV. MEJORAMIENTO VEGETAL |
Fecha de publicación : |
2016 |
Fuente / Imprenta : |
In: JOURNAL OF BASIC & APPLIED GENETICS, 2016, Vol.27, Iss. 1 (Supp.). XVI LATIN AMERICAN CONGRESS OF GENETICS, IV CONGRESS OF THE URUGUAYAN SOCIETY OF GENETICS, XLIX ANNUAL MEETING OF THE GENETICS SOCIETY OF CHILE, XLV ARGENTINE CONGRESS OF GENETICS, 9-12 October 2016. PROCEEDINGS. Montevideo (Uruguay): SAG, 2016. |
Páginas : |
p. 285 |
ISSN : |
1852-6233 |
Idioma : |
Español |
Palabras claves : |
EVALUACIÓN FENOTÍPICA; INFORMACIÓN GENÓMICA; PROGRAMAS ESTADÍSTICOS. |
Thesagro : |
BASES DE DATOS; FITOMEJORAMIENTO; MARCADORES MOLECULARES. |
Asunto categoría : |
-- |
URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/6219/1/Simposio-BAG-v.XXVIII-Suppl.1.p.285.pdf
http://www.alag2016.org/admin/files/alag2016/upload/files/V.XXVIII_2016_Suppl1_19092016.pdf
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Marc : |
LEADER 00965nam a2200241 a 4500 001 1055873 005 2016-10-25 008 2016 bl uuuu u0uu1 u #d 022 $a1852-6233 100 1 $aQUERO, C. 245 $aHerramientas de análisis y visualización genómica.$h[electronic resource] 260 $aIn: JOURNAL OF BASIC & APPLIED GENETICS, 2016, Vol.27, Iss. 1 (Supp.). XVI LATIN AMERICAN CONGRESS OF GENETICS, IV CONGRESS OF THE URUGUAYAN SOCIETY OF GENETICS, XLIX ANNUAL MEETING OF THE GENETICS SOCIETY OF CHILE, XLV ARGENTINE CONGRESS OF GENETICS, 9-12 October 2016. PROCEEDINGS. Montevideo (Uruguay): SAG$c2016 300 $ap. 285 650 $aBASES DE DATOS 650 $aFITOMEJORAMIENTO 650 $aMARCADORES MOLECULARES 653 $aEVALUACIÓN FENOTÍPICA 653 $aINFORMACIÓN GENÓMICA 653 $aPROGRAMAS ESTADÍSTICOS 700 1 $aFERNANDEZ, S. 700 1 $aBRANDARIZ, S.B. 700 1 $aSIMONDI, S. 700 1 $aGUTIÉRREZ, L.
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