<mets:mets OBJID="oai:orgprints.org:7612" LABEL="Eprints Item" xsi:schemaLocation="http://www.loc.gov/METS/ http://www.loc.gov/standards/mets/mets.xsd http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-0.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:mets="http://www.loc.gov/METS/"><mets:metsHdr CREATEDATA="2009-11-24T11:04:59Z"><mets:agent TYPE="ORGANIZATION" ROLE="CUSTODIAN"><mets:name>Organic Eprints</mets:name></mets:agent></mets:metsHdr><mets:dmdSec ID="DMD_oai:orgprints.org:7612_mods"><mets:mdWrap MDTYPE="mods"><mets:xmlData><mods:titleInfo><mods:title>Vitaminstatus hos får i ekologisk produktion </mods:title></mods:titleInfo><mods:abstract>Idisslare har behov av tillförsel av vitaminerna A, D och E. Vitamin A är viktigt bl.a. för synen, fruktsamheten och immunförsvaret. Behovet tillgodoses dock normalt på bete och med en foderstat med god foderkvalitet. Lagringsskadat foder kan innehålla för låga mängder. Vitamin D finns bl.a. i soltorkat grovfoder och bildas även i huden. Det mest kända bristsymptomet är rakitis. Tillväxten påverkas också. Vid ensilageutfodring på stall under längre perioder kan tillförseln tänkas bli i lägsta laget. Hur kan man ordna D-vitamin-försörjningen om man inte får ge syntetiska tillskott? Det mest kända vitaminbehovet hos får är hos tackor i samband med lamningen. Det har att göra med lammens låga E-vitaminstatus vid födseln och alltså behov via råmjölken. Bristsymptom, t.ex. muskeldegeneration kan annars uppstå. Selen inverkar också. Kanske är det lättare att klara sig utan extra vitamintillskott om lamningen sker tidigt på utfodringssäsongen, eftersom det naturliga vitamininnehållet i grovfodret sjunker med lagringstiden. Projektets syfte är: &#13;
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*	att undersöka vitaminstatus hos tackor som får resp. inte får vitamintillskott,&#13;
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*	att se hur man kan vitaminförsörja tackor med tidig resp. sen lamning,&#13;
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*	att undersöka vitaminstatus hos vinterlamm som får resp. inte inte får vitamintillskott,&#13;
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*	att undersöka om UV-lampor kan användas för att tillföra D-vitamin till vinterlamm.&#13;
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Projektet genomförs i Röbäcksdalens fårbesättning. Såväl tackor som lamm för vinterlammsuppfödning följs under hela året, för att även se betessäsongens inverkan. Foder och blod analyseras. Djurens konsumtion, viktsutveckling och hälsa registreras. Samråd sker med motsvarande forskargrupp på mjölkkosidan.</mods:abstract><mods:classification authority="lcc"> Sheep and goats</mods:classification><mods:classification authority="lcc"> Feeding and growth</mods:classification><mods:genre>Project description</mods:genre></mets:xmlData></mets:mdWrap></mets:dmdSec><mets:amdSec ID="TMD_oai:orgprints.org:7612"><mets:rightsMD ID="rights_oai:orgprints.org:7612_mods"><mets:mdWrap MDTYPE="mods"><mets:xmlData><mods:useAndReproduction>
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