December 31, 2023 Journal article Closed Access

Pétursdóttir, Ásta H.; Einarsdóttir, Brynja; Guðmundsdóttir, Elísabet Eik; Desnica, Natasa; Sim, Rebecca; Kuenzel, Susanne; Rodehutscord, Markus; Titze, Natascha; Wild, Katharina

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{
  "publisher": "Zenodo", 
  "DOI": "10.5281/zenodo.5520985", 
  "language": "eng", 
  "title": "Seaweed supplementation to mitigate methane (CH4) emissions by cattle (SeaCH4NGE-PLUS)", 
  "issued": {
    "date-parts": [
      [
        2023, 
        12, 
        31
      ]
    ]
  }, 
  "abstract": "<p>This report contains the main experimental results from the project SeaCH4NGE-PLUS. Briefly, the screening of chemical content of a range of seaweeds collected in Iceland in 2020 and 2021 did not identify a bromoform rich seaweed that had high promise as a methane reducing feed component for cattle. Certain samples of brown macroalgae were high in total phenolic content, indicating a high phlorotannin content that has been associated with a moderate methane reduction. That is consistent with the findings of this research. Samples of Asparagopsis sp. indicated that they may have a short shelf life to preserve the bromoform content. Fermentation may increase slightly the methane reduction potential of seaweed, but extracting phlorotannins did not yield a much higher reduction of methane as hypothesized.</p>\n\n<p>This report is closed until 31.12.2023.<br>\n___</p>\n\n<p>&THORN;essi sk&yacute;rsla inniheldur helstu tilraunani&eth;urst&ouml;&eth;ur &uacute;r verkefninu SeaCH4NGE-PLUS.&nbsp;&Iacute; stuttu m&aacute;li s&yacute;ndi skimun &aacute; efnainnihaldi u.&thorn;.b. 20 &thorn;&ouml;rungategunda sem safna&eth; var &aacute; &Iacute;slandi 2020 og 2021, ekki fram &aacute; br&oacute;m&oacute;formr&iacute;kt &thorn;ang, en bromoform r&iacute;kt &thorn;ang getur haft metan minnkandi &aacute;hrif &thorn;egar &thorn;a&eth; er gefi&eth; nautgripum.&nbsp;S&yacute;ni af br&uacute;n&thorn;&ouml;rungum voru gjarnan h&aacute; &iacute; fen&oacute;linnihaldi, sem bendir til mikils fl&oacute;r&oacute;tann&iacute;ninnihalds sem hefur veri&eth; tengt h&oacute;flegri metanl&aelig;kkun. Ranns&oacute;knir &aacute; Asparagopsis &thorn;&ouml;rungum.&nbsp;gaf til kynna a&eth; &thorn;au s&yacute;ni g&aelig;tu haft stutt geymslu&thorn;ol, en &aacute;hrif voru minni en reikna&eth; var me&eth;.&nbsp;Gerjun getur haft l&iacute;tilleg j&aacute;kv&aelig;&eth; &aacute;hrif &aacute; metanframlei&eth;slu (&thorn;.e.a.s. dregi&eth; a&eth;eins meira &uacute;r framlei&eth;slu), en &uacute;tdr&aacute;ttur af fl&oacute;r&oacute;tann&iacute;num haf&eth;i ekki afgerandi &aacute;hrif &aacute; metanframlei&eth;slu.&nbsp;</p>\n\n<p>&THORN;essi sk&yacute;rsla er lokU&eth; til 31.12.2023.</p>\n\n<p>&nbsp;</p>", 
  "author": [
    {
      "family": "P\u00e9tursd\u00f3ttir, \u00c1sta H."
    }, 
    {
      "family": "Einarsd\u00f3ttir, Brynja"
    }, 
    {
      "family": "Gu\u00f0mundsd\u00f3ttir, El\u00edsabet Eik"
    }, 
    {
      "family": "Desnica, Natasa"
    }, 
    {
      "family": "Sim, Rebecca"
    }, 
    {
      "family": "Kuenzel, Susanne"
    }, 
    {
      "family": "Rodehutscord, Markus"
    }, 
    {
      "family": "Titze, Natascha"
    }, 
    {
      "family": "Wild, Katharina"
    }
  ], 
  "note": "Funding: Loftslagssj\u00f3\u00f0ur, Rann\u00eds", 
  "type": "article-journal", 
  "id": "5520985"
}