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Mineral profiling of muscle and hepatic tissues of Australian Merino, Damara and Dorper lambs: Effect of weight loss

2020Journal article Open access
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dc.contributor.authorRibeiro, D.M.
dc.contributor.authorScanlon, T.
dc.contributor.authorKilminster, T.
dc.contributor.authorMartins, C.F.
dc.contributor.authorGreet, J.
dc.contributor.authorMilton, J.
dc.contributor.authorHoldham, C.
dc.contributor.authorFreire, João
dc.contributor.authorMourato, Miguel
dc.contributor.authorAlmeida, A.M.
dc.date.accessioned2021-09-22T10:37:41Z
dc.date.available2021-09-22T10:37:41Z
dc.date.issued2020
dc.description.abstractSeasonal weight loss (SWL) is a major constraint to extensive animal production systems. The Australian sheep production is based on merino sheep, a European breed not tolerant to SWL. Tolerant alternative breeds such as the fat-tailed Damara and the Dorper have been increasingly used in Australia and elsewhere, due to their robustness. The aim of this study was to understand the mineral profile of muscle and liver tissues of Australian Merino, Damara and Dorper, when subjected to SWL in order to understand SWL-tolerance physiology. Twenty-four lambs were divided randomly between growing (control) and nutritionally restricted groups for each breed. The trial lasted 42 days. Animals were weighed bi-weekly and at the end of the trial, lambs were slaughtered. Liver and muscle samples were taken immediately after slaughter. Mineral assessment was carried out using inductively coupled plasma–optical emission spectrometry. Analysis of variance showed mineral concentrations were generally increased in the muscle of restricted animals, mainly because of fat tissue mobilization. An increase in Zn and Fe concentrations indicates an increase of enzymatic activity in the liver of restricted sheep as well as differential abundance of Fe-containing proteins. High concentrations of Cu in the liver of Dorper indicate higher ability to accumulate this element, even under SWLpt_PT
dc.description.versioninfo:eu-repo/semantics/acceptedVersionpt_PT
dc.identifier.citationRibeiro D.M., Scanlon T., Kilminster T., Martins C.F., Greef J., Milton J., Oldham C., Freire J.P.B., Mourato M.P., Almeida A.M. 2020. Mineral profiling of muscle and hepatic tissues of Australian Merino, Damara and Dorper lambs: Effect of weight loss. Journal of Animal Physiology and Animal Nutrition 104(3): 823-830pt_PT
dc.identifier.doihttps://doi.org/10.1111/jpn.13339pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.5/21905
dc.language.isoengpt_PT
dc.relationLinking Landscape, Environment, Agriculture and Food
dc.subjectlambspt_PT
dc.subjectweight losspt_PT
dc.titleMineral profiling of muscle and hepatic tissues of Australian Merino, Damara and Dorper lambs: Effect of weight losspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleLinking Landscape, Environment, Agriculture and Food
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FAGR%2F04129%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/OE/74495/PT
oaire.citation.titleJournal of Animal Physiology and Animal Nutritionpt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamOE
person.familyNameBengala Freire
person.familyNameMourato
person.givenNameJoão Pedro
person.givenNameMiguel
person.identifier.ciencia-id871A-F6C8-60FE
person.identifier.ciencia-id3D1E-4003-BF64
person.identifier.orcid0000-0002-1811-4378
person.identifier.orcid0000-0003-4843-1064
person.identifier.ridB-6904-2009
person.identifier.scopus-author-id56370610300
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication99660917-13cd-47e0-bf7d-667497ebcfbe
relation.isAuthorOfPublicationf3e8b80c-0f8e-42bb-a85c-078de348063b
relation.isAuthorOfPublication.latestForDiscoveryf3e8b80c-0f8e-42bb-a85c-078de348063b
relation.isProjectOfPublicationf8f00f10-9d6c-4a8e-875e-7eb9b5281338
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