Publikasjoner
NIBIOs ansatte publiserer flere hundre vitenskapelige artikler og forskningsrapporter hvert år. Her finner du referanser og lenker til publikasjoner og andre forsknings- og formidlingsaktiviteter. Samlingen oppdateres løpende med både nytt og historisk materiale. For mer informasjon om NIBIOs publikasjoner, besøk NIBIOs bibliotek.
2020
Sammendrag
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Forfattere
Vibeke Lind Martin Riis Weisbjerg Grete H. M. Jørgensen Julia E. Fernandez-Yepes Lesly Arbesú Eduarda Molina-AlcaideSammendrag
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2019
Sammendrag
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Sammendrag
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Sammendrag
Edible seaweed biomass is a valuable alternative feed ingredient for livestock. The composition of seaweeds is highly variable, with large differences in proteins, minerals, lipids and carbohydrates. Species, season, harvesting year, habitat, and prevailing proximate environmental conditions account for this variation. Using seaweeds as a protein source for production animals is of interest. Studies suggest that some seaweed species may have bioactive compounds with antimethanogenic properties. To investigate the effect of the red seaweed Porphyra ssp on enteric methane produced by sheep an in vivo study was carried out with 24 Norwegian White ewes. The ewes were allocated into four groups receiving a control diet or one of three supplemented diets. All groups were fed grass silage ad libitum, crushed oat and mineral pellets; the three supplemented diets included a protein source where dried and powdered Porphyra ssp. was compared with white clover silage or pelleted soybean meal. The ewes were fed their respective diets for a two-week adaptation period and a 72-h experimental period during which methane was measured individually using open-circuit respiration chambers. Weight changes and methane production (L CH4/kg DM intake) were analysed using the GLM procedure with diet as fixed effect. No differences in weight changes and methane production between diets were found. Diet did not affect weight changes and methane production but DM intake was higher (P<0.001) for diets including soybean and macroalgae than white clover. Feeding red macroalgae showed no reduction in enteric methane production compared to the control diet.
Forfattere
Grete H. M. JørgensenSammendrag
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Sammendrag
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Forfattere
Grete H. M. Jørgensen Svein Eilertsen Inger Hansen Snorre Hagen Ida Marie Luna Fløystad Rupert Palme Seyda GültzariSammendrag
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Sammendrag
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Forfattere
Inger Hansen Grete H. M. Jørgensen Marianne Gilhuus Kristian Ellingsen-Dalskau Cecilie Marie MejdellSammendrag
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