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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 : |
09/01/2015 |
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Actualizado : |
13/05/2020 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Autor : |
DE BARBIERI, I.; HEGARY, R.S.; LI, L.; ODDY, V.H. |
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Afiliación : |
LUIS IGNACIO DE BARBIERI ETCHEBERRY, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ROGER STEPHEN HEGARTY, School of Environmental and Rural Science, University of New England, Armidale, NSW 2351, Australia; L. LI, School of Environmental and Rural Science, University of New England, Armidale, NSW 2351, Australia; VICTOR H. ODDY, Beef Industry Centre, Department of Primary Industries NSW, Armidale, NSW 2351, Australia. |
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Título : |
Association of wool growth with gut metabolism and anatomy in sheep. |
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Fecha de publicación : |
2015 |
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Fuente / Imprenta : |
Livestock Science, Volume 173, March 2015, Pages 38-47. DOI: https://doi.org/10.1016/j.livsci.2014.12.018 |
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DOI : |
10.1016/j.livsci.2014.12.018 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received 28March 2014; Received in revised form 10December2014; Accepted 23 December 2014. Acknowledgments: The authors thank Evelyn Osborne, Jose Velazco, Alistair Donaldson, Carolina Silveira, Mark Barnett, Reg Woodgate, Gary Cluley, Leanne Lisle, Jennie Hegarty, Koen Luijben,
Fay Haynes, Miranda Pen, Neil Baillie, Gary Taylor, Sue Mortimer and Graeme Bremner for their technical support. Ignacio De Barbieri was supported by National Institute for Agricultural Research (INIA Uruguay). |
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Contenido : |
The hypothesis tested by this study was that sheep with divergent estimated breeding values (EBV) for fleece weight differ in gut metabolism and anatomy; regardless of the level of intake. Adult Merino wethers with contrasting EBVs for fleece weight were fed at two levels of intake in two 7-week periods in a crossover design, where wool growth, gut metabolism and anatomy of the sheep were evaluated. Regardless of the level of intake, wool genotype affected wool growth (P<0.05); however, rumen metabolism and gut anatomy did not differ between wool genotypes (P>0.05). Increases in the level of intake increased the supply of nutrients to the animal and the measured end-products of the process (wool production, live weight, methane) independent of wool genotype. The results obtained in this study indicate that differences in gut fermentation and anatomy are not a major cause of differences in wool production among sheep of different estimated genetic merit for fleece weight when fed restricted intakes. |
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Palabras claves : |
COMPUTED TOMOGRAPHY; METHANE; MICROBIAL PROTEIN; RUMEN VOLUME; WOOL GENOTYPE. |
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Thesagro : |
ANATOMIA; LANA; OVEJA; RUMEN. |
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Asunto categoría : |
L01 Ganadería |
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Marc : |
LEADER 02308naa a2200289 a 4500
001 1051987
005 2020-05-13
008 2015 bl uuuu u00u1 u #d
024 7 $a10.1016/j.livsci.2014.12.018$2DOI
100 1 $aDE BARBIERI, I.
245 $aAssociation of wool growth with gut metabolism and anatomy in sheep.
260 $c2015
500 $aArticle history: Received 28March 2014; Received in revised form 10December2014; Accepted 23 December 2014. Acknowledgments: The authors thank Evelyn Osborne, Jose Velazco, Alistair Donaldson, Carolina Silveira, Mark Barnett, Reg Woodgate, Gary Cluley, Leanne Lisle, Jennie Hegarty, Koen Luijben, Fay Haynes, Miranda Pen, Neil Baillie, Gary Taylor, Sue Mortimer and Graeme Bremner for their technical support. Ignacio De Barbieri was supported by National Institute for Agricultural Research (INIA Uruguay).
520 $aThe hypothesis tested by this study was that sheep with divergent estimated breeding values (EBV) for fleece weight differ in gut metabolism and anatomy; regardless of the level of intake. Adult Merino wethers with contrasting EBVs for fleece weight were fed at two levels of intake in two 7-week periods in a crossover design, where wool growth, gut metabolism and anatomy of the sheep were evaluated. Regardless of the level of intake, wool genotype affected wool growth (P<0.05); however, rumen metabolism and gut anatomy did not differ between wool genotypes (P>0.05). Increases in the level of intake increased the supply of nutrients to the animal and the measured end-products of the process (wool production, live weight, methane) independent of wool genotype. The results obtained in this study indicate that differences in gut fermentation and anatomy are not a major cause of differences in wool production among sheep of different estimated genetic merit for fleece weight when fed restricted intakes.
650 $aANATOMIA
650 $aLANA
650 $aOVEJA
650 $aRUMEN
653 $aCOMPUTED TOMOGRAPHY
653 $aMETHANE
653 $aMICROBIAL PROTEIN
653 $aRUMEN VOLUME
653 $aWOOL GENOTYPE
700 1 $aHEGARY, R.S.
700 1 $aLI, L.
700 1 $aODDY, V.H.
773 $tLivestock Science, Volume 173, March 2015, Pages 38-47. DOI: https://doi.org/10.1016/j.livsci.2014.12.018
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