Journal article Open Access

Áhrif dauðastirðnunar á fiskgæði ll

Þórðarson, Gunnar; Arason, Sigurjón


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    "description": "<p>Tilgangur ranns&oacute;knarinnar var annars vegar a&eth; rannsaka &aacute;hrif ofurk&aelig;lingar &aacute; dau&eth;stir&eth;nunarferli &thorn;orsk- og laxaflaka og bera saman vi&eth; hef&eth;bundna k&aelig;lingu; og hins vegar a&eth; sko&eth;a hvort fl&ouml;kun &aacute; mismunandi t&iacute;masetningu &iacute; dau&eth;astir&eth;nunarferli (fyrir dau&eth;astir&eth;nun, &iacute; dau&eth;astir&eth;nun og eftir a&eth; ferlinu l&yacute;kur) hef&eth;i &aacute; afur&eth;ag&aelig;&eth;i. Fyrir lax var ger&eth; fortilraun sem megintilraunin var bygg&eth; &aacute;, en &iacute; &thorn;orski var tilraun ger&eth; &aacute; villtum &thorn;orski og eldisfiski.</p>\n\n<p>Ofurk&aelig;ling &aacute; &thorn;orski er mi&eth;u&eth; vi&eth; k&aelig;lingu ni&eth;ur &iacute; -0,8 &deg;C og laxi &iacute; -1,2 &deg;C en hef&eth;bundin k&aelig;ling er mi&eth;u&eth; vi&eth; 0 &deg;C fyrir b&aacute;&eth;ar tegundir. Sko&eth;a&eth;ur var mismunur milli h&oacute;pa og einnig borinn saman mismunur innan h&oacute;pa. L&iacute;till munur innan h&oacute;pa bendir til n&aacute;kv&aelig;mari og tr&uacute;ver&eth;ugri ni&eth;urst&ouml;&eth;u.</p>\n\n<p>Ni&eth;urst&ouml;&eth;ur &uacute;r k&ouml;nnun sem var framkv&aelig;md af skynmatsh&oacute;pi s&yacute;na a&eth; &aacute;hrif ofurk&aelig;lingar eru t&ouml;luver&eth; &thorn;ar sem um minni samdr&aacute;tt er a&eth; r&aelig;&eth;a &iacute; dau&eth;astir&eth;nunarferlinu, og &aacute;hrif &aacute; g&aelig;&eth;i &thorn;v&iacute; minni. Munur er milli villts &thorn;orsks og eldis&thorn;orsks enda &thorn;ekkt a&eth; vatnsinnihald milli fruma er minna &iacute; eldis&thorn;roski en villtum. &Aacute;hugavert g&aelig;ti veri&eth; a&eth; sko&eth;a muninn milli eldislax og villts lax, en &thorn;a&eth; var utan vi&eth; markmi&eth; &thorn;essarar ranns&oacute;knar.</p>\n\n<p>Draga m&aacute; &thorn;&aacute; &aacute;lyktun a&eth; me&eth; ofurk&aelig;lingu v&aelig;ri h&aelig;gt a&eth; vinna lax fyrir dau&eth;astir&eth;nun &aacute;n g&aelig;&eth;ar&yacute;rnunar, sem g&aelig;ti skipt m&aacute;li vi&eth; marka&eth;ssetningu &aacute; ferskum afur&eth;um &iacute; framt&iacute;&eth;inni, &thorn;ar sem h&aelig;gt v&aelig;ri a&eth; fullvinna laxinn strax vi&eth; sl&aacute;trun og auka &thorn;annig geymslu&thorn;ol &aacute; erlendum m&ouml;rku&eth;um.</p>\n\n<p>Eitt af markmi&eth;um verkefnisins var a&eth; &uacute;tb&uacute;a kynningarefni um dau&eth;astir&eth;nunarferli&eth; og &aacute;hrif &thorn;ess &aacute; g&aelig;&eth;i afur&eth;a fyrir framlei&eth;endur &aacute; laxi og &thorn;orski &aacute; &Iacute;slandi sem g&aelig;ti gagnast &thorn;eim &iacute; framt&iacute;&eth;inni vi&eth; a&eth; takast &aacute; vi&eth; n&yacute;jar &aacute;skoranir &iacute; framlei&eth;slu &aacute; h&aacute;g&aelig;&eth;a afur&eth;um.</p>", 
    "language": "isl", 
    "title": "\u00c1hrif dau\u00f0astir\u00f0nunar \u00e1 fiskg\u00e6\u00f0i ll", 
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    "notes": "Funding: AVS Ranns\u00f3knasj\u00f3\u00f0ur \u00ed sj\u00e1var\u00fatvegi (R 17 019-17)", 
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