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Biblioteca (s) : |
INIA Treinta y Tres. |
Fecha : |
18/04/2017 |
Actualizado : |
15/10/2019 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Autor : |
HERD, R.M.; VELAZCO, J.I.; ARTHUR, P.F.; HEGARTY, R.F. |
Afiliación : |
JOSÉ IGNACIO VELAZCO DE LOS REYES, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
Título : |
Associations among methane emission traits measured in the feedlot and in respiration chambers in Angus cattle to vary in feed efficiency. |
Fecha de publicación : |
2016 |
Fuente / Imprenta : |
Journal of Animal Science. 2016, v.94(11), p. 4882-4891 |
DOI : |
10.2527/JAS2016-0613 |
Idioma : |
Inglés |
Notas : |
Article history: Received May 7, 2016. Accepted September 7, 2016. |
Contenido : |
Abstract:
The objective of the study was to evaluate associations among animal performance and methane emission traits under feedlot conditions and in respiration chambers in Angus cattle bred to vary in residual feed intake (RFI), which is a measure of feed efficiency. Fifty-nine cattle were tested for feedlot RFI, of which 41 had methane production recorded on an ad libitum grain-based ration in the feedlot, 59 on a restricted grain-based ration in respiration chambers, and 57 on a restricted roughage ration in respiration chambers. The cattle became older and heavier as they went through the different phases of the experiment, but their feed intake (expressed as DMI) and daily emission of enteric methane (methane production rate; MPR) did not increase proportionally, as feed offered was restricted in the respiration chamber tests. Methane emissions by individual animals relative to their DMI were calculated as methane yield (MY; MPR/DMI) and as 2 measures of residual methane production (RMP and RMP), which were calculated as the difference between measured MPR and that predicted from feed intake by 2 different equations. Within each test regime, MPR was positively correlated ( = 0.28 to 0.61) with DMI. Phenotypic correlations for MY, RMP, and RMP between the feedlot test and the restricted grain test ( = 0.40 to 0.43) and between the restricted grain test and the restricted roughage test were moderate ( = 0.36 to 0.41) and moderate to strong between the feedlot test and the restricted roughage test ( = 0.54 to 0.58). These results indicate that the rankings of animals for methane production relative to feed consumed are relatively stable over the 3 test phases. Feedlot feed conversion ratio and RFI were not correlated with MPR in the feedlot test and grain-based chamber test but were negatively correlated with MPR in the chamber roughage test ( = -0.31 and -0.37). Both were negatively correlated with MY and RMP in the feedlot test ( = -0.42 to -0.54) and subsequent chamber roughage test ( = -0.27 to -0.49). Midparent estimated breeding values for RFI tended to be negatively correlated with MY and RMP in the feedlot test ( = -0.27 and -0.27) and were negatively correlated with MY, RMP, and RMP in the chamber roughage test ( = -0.33 to -0.36). These results showed that in young growing cattle, lower RFI was associated with higher MY, RMP, and RMP but had no significant association with MPR. MenosAbstract:
The objective of the study was to evaluate associations among animal performance and methane emission traits under feedlot conditions and in respiration chambers in Angus cattle bred to vary in residual feed intake (RFI), which is a measure of feed efficiency. Fifty-nine cattle were tested for feedlot RFI, of which 41 had methane production recorded on an ad libitum grain-based ration in the feedlot, 59 on a restricted grain-based ration in respiration chambers, and 57 on a restricted roughage ration in respiration chambers. The cattle became older and heavier as they went through the different phases of the experiment, but their feed intake (expressed as DMI) and daily emission of enteric methane (methane production rate; MPR) did not increase proportionally, as feed offered was restricted in the respiration chamber tests. Methane emissions by individual animals relative to their DMI were calculated as methane yield (MY; MPR/DMI) and as 2 measures of residual methane production (RMP and RMP), which were calculated as the difference between measured MPR and that predicted from feed intake by 2 different equations. Within each test regime, MPR was positively correlated ( = 0.28 to 0.61) with DMI. Phenotypic correlations for MY, RMP, and RMP between the feedlot test and the restricted grain test ( = 0.40 to 0.43) and between the restricted grain test and the restricted roughage test were moderate ( = 0.36 to 0.41) and moderate to strong between the feedlot test and t... Presentar Todo |
Palabras claves : |
CATTLE; EFICIENCIA ALIMENTICIA; FEED EFFICIENCY; GAS METANO; GASES DE EFECTO INVERNADERO; GREENHOUSE GAS; METHANE. |
Thesagro : |
BOVINOS. |
Asunto categoría : |
T01 Polución |
Marc : |
LEADER 03329naa a2200277 a 4500 001 1057076 005 2019-10-15 008 2016 bl uuuu u00u1 u #d 024 7 $a10.2527/JAS2016-0613$2DOI 100 1 $aHERD, R.M. 245 $aAssociations among methane emission traits measured in the feedlot and in respiration chambers in Angus cattle to vary in feed efficiency.$h[electronic resource] 260 $c2016 500 $aArticle history: Received May 7, 2016. Accepted September 7, 2016. 520 $aAbstract: The objective of the study was to evaluate associations among animal performance and methane emission traits under feedlot conditions and in respiration chambers in Angus cattle bred to vary in residual feed intake (RFI), which is a measure of feed efficiency. Fifty-nine cattle were tested for feedlot RFI, of which 41 had methane production recorded on an ad libitum grain-based ration in the feedlot, 59 on a restricted grain-based ration in respiration chambers, and 57 on a restricted roughage ration in respiration chambers. The cattle became older and heavier as they went through the different phases of the experiment, but their feed intake (expressed as DMI) and daily emission of enteric methane (methane production rate; MPR) did not increase proportionally, as feed offered was restricted in the respiration chamber tests. Methane emissions by individual animals relative to their DMI were calculated as methane yield (MY; MPR/DMI) and as 2 measures of residual methane production (RMP and RMP), which were calculated as the difference between measured MPR and that predicted from feed intake by 2 different equations. Within each test regime, MPR was positively correlated ( = 0.28 to 0.61) with DMI. Phenotypic correlations for MY, RMP, and RMP between the feedlot test and the restricted grain test ( = 0.40 to 0.43) and between the restricted grain test and the restricted roughage test were moderate ( = 0.36 to 0.41) and moderate to strong between the feedlot test and the restricted roughage test ( = 0.54 to 0.58). These results indicate that the rankings of animals for methane production relative to feed consumed are relatively stable over the 3 test phases. Feedlot feed conversion ratio and RFI were not correlated with MPR in the feedlot test and grain-based chamber test but were negatively correlated with MPR in the chamber roughage test ( = -0.31 and -0.37). Both were negatively correlated with MY and RMP in the feedlot test ( = -0.42 to -0.54) and subsequent chamber roughage test ( = -0.27 to -0.49). Midparent estimated breeding values for RFI tended to be negatively correlated with MY and RMP in the feedlot test ( = -0.27 and -0.27) and were negatively correlated with MY, RMP, and RMP in the chamber roughage test ( = -0.33 to -0.36). These results showed that in young growing cattle, lower RFI was associated with higher MY, RMP, and RMP but had no significant association with MPR. 650 $aBOVINOS 653 $aCATTLE 653 $aEFICIENCIA ALIMENTICIA 653 $aFEED EFFICIENCY 653 $aGAS METANO 653 $aGASES DE EFECTO INVERNADERO 653 $aGREENHOUSE GAS 653 $aMETHANE 700 1 $aVELAZCO, J.I. 700 1 $aARTHUR, P.F. 700 1 $aHEGARTY, R.F. 773 $tJournal of Animal Science. 2016$gv.94(11), p. 4882-4891
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141. | | SILVEIRA, C.S.; GIANNITTI, F.; MACIAS RIOSECO, M.; FRAGA, M.; ACOSTA, A.; FRAGA, N.; RIET-CORREA, F. Dermatitis ulcerativa crónica idiopatica en la región distal de los miembros en vacas de cria. In: Jornadas Uruguayas de Buiatría, 44., 2016, Paysandú, UY.; Gianneechini, E.; Elizondo, V. (Ed.).Paysandú: Centro Médico Veterinario de Paysandú/Sociedad Uruguaya de Buiatría, 2016. p.171-173Tipo: Trabajos en Congresos/Conferencias |
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142. | | CHIAIA, H. L.J.; BALDI, F.; PEREIRA, A.S.; BANCHERO, G.; BRITO, G.; LA MANNA, A.; FERNANDEZ, E.; ACOSTA, Y.; MONTOSSI, F.; GASALLA, P.; MIGLIERINA, A.F.; NÚÑEZ, A. Desempenho, características da carcaça e qualidade da carne de novilhos cruzados Hereford-Angus alimentados com silagem de grão úmido de sorgo / Carcass and meat quality traits of crossbred Angus-Hereford calfs fed with Sorghum grain silage. Rev. Bras. Saúde Prod. Anim., Salvador, v.17, n.4, p.685-695, 2016. 2-s2.0-85007614136 Article history: Data de recebimento: 19/03/2015, Data de aprovação: 31/08/2016. Endereço para correspondência: chiaia1@yahoo.com.brTipo: Artículos en Revistas Indexadas Internacionales | Circulación / Nivel : Internacional - -- |
Biblioteca(s): INIA Tacuarembó. |
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145. | | MARTÍNEZ, R.S.; ROMÁN, L.; ROMAN, L.; PLA, M.; MAZZINO, E.; PALLADINO, R.A.; LA MANNA, A. Efecto del uso de medidas de mitigación del estrés térmico sobre el consumo y comportamiento de vacas Holstein en lactancia avanzada. Comunicación. NA 2, Nutrición y Alimentación Animal. IN: REVISTA ARGENTINA DE PRODUCCIÓN ANIMAL, 2016, VOL. 36, ISS.1 (SUPL). 39 CONGRESO ARGENTINO DE PRODUCCIÓN ANIMAL. 19-21 OCTUBRE 2016. ACTAS. Buenos Aires (Argentina): AAPA. p. 190.Tipo: Trabajos en Congresos/Conferencias |
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146. | | MACEDO, F.; NAVAJAS, E. Heredabilidad genómica en caracteres de canal para la raza Hereford: resultados preliminares. GGM 20 - COMUNICACIONES LIBRES - GGM. GENÓMICA Y GENÉTICA MOLECULAR 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. p.264Tipo: Trabajos en Congresos/Conferencias |
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147. | | NAVAJAS, E.; MACEDO, F.; RAVAGNOLO, O.; AGUILAR, I.; CLARIGET, J.; LEMA, O.M.; PERAZA, P.; PRAVIA, M.I.; DALLA RIZZA, M.; CIAPPESONI, G. Herramientas genómicas para mejorar la eficiencia de alimentación y la calidad de canal de la raza Hereford. 3 - SIMPOSIOS "MEJORA GENÉTICA EN PRODUCCIÓN Y CALIDAD DE CARNE EN ESPECIES DE INTERÉS ECONÓMICO" 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. p. 28Tipo: Trabajos en Congresos/Conferencias |
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149. | | RAVAGNOLO, O. Mejoramiento genético de bovinos en Uruguay. In: PRIMER CONGRESO INTERNACIONAL, 1er. "Desafíos y oportunidades de la ganadería, para el aumento de la productividad nacional. INTA - Nicaragua, 28 y 29 Junio 2016. [Presentación Oral] 18 p.Tipo: Presentaciones Orales |
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