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| Registros recuperados : 24 | |
| 11. |  | VELAZCO, J.I.; BREMNER, G.; LI, L.; LUIJBEN, K.; HEGARTY, R.S.; PERDOK, H. Short-term emission measurements in beef feedlot cattle to demonstrate enteric methane mitigation from dietary nitrate.[Poster]. In: Greenhouse Gas and Animal Agriculture (GGAA) scientific conference, (5º, Dublin, Irlanda), 23-26 Jun. 2013.| Biblioteca(s): INIA Treinta y Tres. |
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| 16. | | DE BARBIERI, I.; HEGARTY, R.S.; ODDY, V.H.; LI, L.; BLAKELY, A.; VELAZCO, J.; DONALDSON, A.; OSBORNE, E. Association of wool growth with rumen function in sheep. [Poster]. In: Recent Advances in Animal Nutrition, Australia conference, Environmental and Rural Science, University of New England, Armidale, Australia, 2013.| Biblioteca(s): INIA Tacuarembó. |
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| 17. | | DE BARBIERI, I.; HEGARTY, R.S.; ODDY, V.H.; LI, L.; BLAKELY, A.; VELAZCO, J.I.; DONALDSON, A.; OSBORNE, E. Association of wool growth with rumen function in sheep. [Resumen]. In: Recent Advances in Animal Nutrition-Australia, 2013. Poster Abstracts. Animal Science, School of Environmental and Rural Science. University of New England, Armidale, Australia, 2013. p. 21-22| Biblioteca(s): INIA Tacuarembó. |
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| 18. | | DE BARBIERI, I.; ODDY, V.H.; HEGARTY, R.S.; LI, L.; HAYNES, F.E.M.; BLAKELY, A. Evaluation of computed tomography for estimating reticulo-rumen characteristics. [Poster]. In: Recent Advances in Animal Nutrition, Australia conference, Environmental and Rural Science, University of New England, Armidale, Australia, 2013.| Biblioteca(s): INIA Tacuarembó. |
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| 19. | | DE BARBIERI, I.; HEGARTY, R.S.; ODDY, V.H.; BARNETT, M.C.; LI, L.; NOLAN, J.V. Sheep of divergent genetic merit for wool growth do not differ in digesta kinetics while on restricted intakes. Animal Production Science, May 2014, v. 54, no. 9, p. 1243-1247. DOI: https://doi.org/10.1071/AN14319 Received 12 March 2014; accepted 12 May 2014; published online 10 July 2014. Acknowledgements: The authors thank Evelyn Osborne, Jose Velazco, Alistair Donaldson, Carolina Silveira, Gary Cluley, Leanne Lisle, Sue Mortimer and Andrew...| Biblioteca(s): INIA Tacuarembó. |
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| 20. | | HERD, R.M.; ARTHUR, P.F.; HEGARTY, R.S.; BIRD-GARDINER, T.; DONOGHUE, K.A.; VELAZCO, J.I. Predicting metabolisable energy intake by free-ranging cattle using multiple short-term breath samples and applied to a pasture case-study. (Article in Press) Animal Production Science, 4 Nov. 2020, 61(4), p. 381-389 Doi: https://doi.org/10.1071/AN20162 Article history: Received 3 April 2020, accepted 11 October 2020, published online 4 November 2020.| Biblioteca(s): INIA Treinta y Tres. |
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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 : |
18/06/2015 |
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Actualizado : |
12/05/2020 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
Internacional - 1 |
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Autor : |
DE BARBIERI, I.; HEGARTY, R.S.; SILVEIRA, C.; 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; CAROLINA INES SILVEIRA ROJAS, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; VICTOR H. ODDY, Beef Industry Centre, Department of Primary Industries NSW, Armidale, NSW 2351, Australia. |
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Título : |
Positive consequences of maternal diet and post-natal rumen inoculation on rumen function and animal performance of Merino lambs. |
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Fecha de publicación : |
2015 |
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Fuente / Imprenta : |
Small Ruminant Research, Volume 129, August 2015, Pages 37-47. DOI: https://doi.org/10.1016/j.smallrumres.2015.05.017 |
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DOI : |
10.1016/j.smallrumres.2015.05.017 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received 13 October 2014; Received in revised form 26 May 2015; Accepted 27 May 2015; Available online 4 June 2015. Acknowledgments:
Authors thank David Paull and Drew Ferguson of CSIRO for their support. Additionally we want to thank Graeme Bremner, Andrew Blakely, Paul Ketly, Gary Taylor, Dave Lockrey, Michael Raue, Alistair Donaldson, Reg Woodgate, Andrew Eichorn, Sabrina Blakely, Grahame Chaffey, Jennie Hegarty, Jenny Wittig, and Sue Burgess for their contributions during the field and lab part of the research. Ignacio De Barbieri was supported by National Institute for Agricultural Research (INIA Uruguay). This work was supported in part by the Australian Government´s the Rumen Pangenome project within Filling the Research Gap (FTRG-1194147-75) program. |
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Contenido : |
Neonatal modification of the microbial inoculum entering the gastrointestinal tract mayalter the rumen microbiome and consequently alter pre- and post-weaning rumen fer-mentation and growth of lambs. This study aimed to determine (1) if modifying the rumenby providing ewes with lipids differing in rumen-availability in late gestation and lacta-tion would affect performance of the lamb offspring and (2) whether cross-inoculation ofneonatal lambs with digesta from sheep on an alternate diet would modify the fermen-tation, size, and characteristics of the developing rumen and performance of lambs. Twodiets were offered ad libitum to 36 pregnant ewes (and to their lambs after lambing) from1 month pre-lambing until 2 weeks after weaning, after which lambs were grazed in treat-ment groups in paddocks. Diets consisted of 92% of a blend of oaten and lucerne choppedhay, 4% molasses and 4% fat (coconut oil ? CO or protected fat ? PF). Newborn lambs wereinoculated weekly while suckling (weeks one to eight postnatal) with fresh rumen fluidfrom donor ewes eating CO or PF diets, or were inoculated with water. Lamb body weight,condition score, wool growth, rumen fermentation, and rumen development were stud-ied during the first 5 months of life of the lambs. Diet and inoculation affected dry matterintake after weaning (P < 0.05), being lower in lambs eating CO or inoculated with water.Feeding of CO instead of PF reduced the protozoa population and daily methane produc-tion of lambs (P < 0.05). Type of gut inoculum had an effect on the concentrations of acetate,propionate, butyrate, total volatile fatty acids, and total protozoa numbers in the rumen oflambs during lactation. By weaning, effects of post-natal inoculation were only apparent forthe concentration of butyrate and the protozoal population. It is concluded that dietary fatcan affect rumen development and fermentation of the lambs. In addition inoculation withexogenous rumen fluid can modulate some aspects of rumen fermentation. However, lambperformance evaluated at weaning and at 5 months after birth was not altered by eitherdiet or early-life inoculum, suggesting that while the rumen microbiome may have plas-ticity in its composition, microbial changes do not necessarily result in improved animalperformance. MenosNeonatal modification of the microbial inoculum entering the gastrointestinal tract mayalter the rumen microbiome and consequently alter pre- and post-weaning rumen fer-mentation and growth of lambs. This study aimed to determine (1) if modifying the rumenby providing ewes with lipids differing in rumen-availability in late gestation and lacta-tion would affect performance of the lamb offspring and (2) whether cross-inoculation ofneonatal lambs with digesta from sheep on an alternate diet would modify the fermen-tation, size, and characteristics of the developing rumen and performance of lambs. Twodiets were offered ad libitum to 36 pregnant ewes (and to their lambs after lambing) from1 month pre-lambing until 2 weeks after weaning, after which lambs were grazed in treat-ment groups in paddocks. Diets consisted of 92% of a blend of oaten and lucerne choppedhay, 4% molasses and 4% fat (coconut oil ? CO or protected fat ? PF). Newborn lambs wereinoculated weekly while suckling (weeks one to eight postnatal) with fresh rumen fluidfrom donor ewes eating CO or PF diets, or were inoculated with water. Lamb body weight,condition score, wool growth, rumen fermentation, and rumen development were stud-ied during the first 5 months of life of the lambs. Diet and inoculation affected dry matterintake after weaning (P < 0.05), being lower in lambs eating CO or inoculated with water.Feeding of CO instead of PF reduced the protozoa population and daily methane produc-tion of lambs (P < 0.... Presentar Todo |
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Palabras claves : |
COCONUT OIL; METHANE PRODUCTION; MICROBIAL ECOLOGY; PROTECTED FAT; RUMEN FLUID INOCULATION. |
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Thesagro : |
MERINO; OVINOS; RUMEN. |
|
Asunto categoría : |
L01 Ganadería |
|
Marc : |
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024 7 $a10.1016/j.smallrumres.2015.05.017$2DOI
100 1 $aDE BARBIERI, I.
245 $aPositive consequences of maternal diet and post-natal rumen inoculation on rumen function and animal performance of Merino lambs.
260 $c2015
500 $aArticle history: Received 13 October 2014; Received in revised form 26 May 2015; Accepted 27 May 2015; Available online 4 June 2015. Acknowledgments: Authors thank David Paull and Drew Ferguson of CSIRO for their support. Additionally we want to thank Graeme Bremner, Andrew Blakely, Paul Ketly, Gary Taylor, Dave Lockrey, Michael Raue, Alistair Donaldson, Reg Woodgate, Andrew Eichorn, Sabrina Blakely, Grahame Chaffey, Jennie Hegarty, Jenny Wittig, and Sue Burgess for their contributions during the field and lab part of the research. Ignacio De Barbieri was supported by National Institute for Agricultural Research (INIA Uruguay). This work was supported in part by the Australian Government´s the Rumen Pangenome project within Filling the Research Gap (FTRG-1194147-75) program.
520 $aNeonatal modification of the microbial inoculum entering the gastrointestinal tract mayalter the rumen microbiome and consequently alter pre- and post-weaning rumen fer-mentation and growth of lambs. This study aimed to determine (1) if modifying the rumenby providing ewes with lipids differing in rumen-availability in late gestation and lacta-tion would affect performance of the lamb offspring and (2) whether cross-inoculation ofneonatal lambs with digesta from sheep on an alternate diet would modify the fermen-tation, size, and characteristics of the developing rumen and performance of lambs. Twodiets were offered ad libitum to 36 pregnant ewes (and to their lambs after lambing) from1 month pre-lambing until 2 weeks after weaning, after which lambs were grazed in treat-ment groups in paddocks. Diets consisted of 92% of a blend of oaten and lucerne choppedhay, 4% molasses and 4% fat (coconut oil ? CO or protected fat ? PF). Newborn lambs wereinoculated weekly while suckling (weeks one to eight postnatal) with fresh rumen fluidfrom donor ewes eating CO or PF diets, or were inoculated with water. Lamb body weight,condition score, wool growth, rumen fermentation, and rumen development were stud-ied during the first 5 months of life of the lambs. Diet and inoculation affected dry matterintake after weaning (P < 0.05), being lower in lambs eating CO or inoculated with water.Feeding of CO instead of PF reduced the protozoa population and daily methane produc-tion of lambs (P < 0.05). Type of gut inoculum had an effect on the concentrations of acetate,propionate, butyrate, total volatile fatty acids, and total protozoa numbers in the rumen oflambs during lactation. By weaning, effects of post-natal inoculation were only apparent forthe concentration of butyrate and the protozoal population. It is concluded that dietary fatcan affect rumen development and fermentation of the lambs. In addition inoculation withexogenous rumen fluid can modulate some aspects of rumen fermentation. However, lambperformance evaluated at weaning and at 5 months after birth was not altered by eitherdiet or early-life inoculum, suggesting that while the rumen microbiome may have plas-ticity in its composition, microbial changes do not necessarily result in improved animalperformance.
650 $aMERINO
650 $aOVINOS
650 $aRUMEN
653 $aCOCONUT OIL
653 $aMETHANE PRODUCTION
653 $aMICROBIAL ECOLOGY
653 $aPROTECTED FAT
653 $aRUMEN FLUID INOCULATION
700 1 $aHEGARTY, R.S.
700 1 $aSILVEIRA, C.
700 1 $aODDY, V.H.
773 $tSmall Ruminant Research, Volume 129, August 2015, Pages 37-47. DOI: https://doi.org/10.1016/j.smallrumres.2015.05.017
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