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Sökning: WFRF:(Hayes Maria) > (2020-2024) > Potential of the Re...

Potential of the Red Macroalga Bonnemaisonia hamifera in Reducing Methane Emissions from Ruminants

Guinguina, Abdulai (författare)
Department of Animal Nutrition and Management, Swedish University of Agricultural Sciences, 750 07 Uppsala, Sweden; Animal Nutrition, Production Systems, Natural Resources Institute Finland (LUKE), Jokioinen, 31600, Finland
Hayes, Maria (författare)
Food BioSciences Department, Teagasc Food Research Centre, Ashtown, 15 Dublin, Ireland
Gröndahl, Fredrik (författare)
KTH,Vatten- och miljöteknik
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Krizsan, Sophie Julie (författare)
Department of Animal Nutrition and Management, Swedish University of Agricultural Sciences, 750 07 Uppsala, Sweden
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 (creator_code:org_t)
Multidisciplinary Digital Publishing Institute (MDPI), 2023
2023
Engelska.
Ingår i: Animals. - : Multidisciplinary Digital Publishing Institute (MDPI). - 2076-2615. ; 13:18
  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • Researchers have been exploring seaweeds to reduce methane (CH4) emissions from livestock. This study aimed to investigate the potential of a red macroalga, B. hamifera, as an alternative to mitigate CH4 emissions. B. hamifera, harvested from the west coast of Sweden, was used in an in vitro experiment using a fully automated gas production system. The experiment was a randomized complete block design consisting of a 48 h incubation that included a control (grass silage) and B. hamifera inclusions at 2.5%, 5.0%, and 7.5% of grass silage OM mixed with buffered rumen fluid. Predicted in vivo CH4 production and total gas production were estimated by applying a set of models to the gas production data and in vitro fermentation characteristics were evaluated. The results demonstrated that the inclusion of B. hamifera reduced (p = 0.01) predicted in vivo CH4 and total gas productions, and total gas production linearly decreased (p = 0.03) with inclusion of B. hamifera. The molar proportion of propionate increased (p = 0.03) while isovalerate decreased (p = 0.04) with inclusion of B. hamifera. Chemical analyses revealed that B. hamifera had moderate concentrations of polyphenols. The iodine content was low, and there was no detectable bromoform, suggesting quality advantages over Asparagopsis taxiformis. Additionally, B. hamifera exhibited antioxidant activity similar to Resveratrol. The findings of this study indicated that B. hamifera harvested from temperate waters of Sweden possesses capacity to mitigate CH4 in vitro.

Ämnesord

LANTBRUKSVETENSKAPER  -- Husdjursvetenskap (hsv//swe)
AGRICULTURAL SCIENCES  -- Animal and Dairy Sience (hsv//eng)

Nyckelord

dairy cow
greenhouse gas
macroalga
methane

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Guinguina, Abdul ...
Hayes, Maria
Gröndahl, Fredri ...
Krizsan, Sophie ...
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