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
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Forfattere
Gillian Butler Carsten Malisch Elisabet Nadeau Anna Woodhouse Bjørn Egil Flø Tomasz Sakowski Flaviana Gottardo Giorgia Riuzzi Hannah Davis Håvard SteinshamnSammendrag
The SusCatt project investigates alternative systems to improve sustainability in European cattle production, taking different approaches in Norway, Sweden, Germany, Poland, UK and Italy – all making greater use of pasture and forage, reducing damaging or external inputs. Rather than us deciding on how we tell everybody about findings, one project task is to ask potential audiences about their sources of information – how they gain knowledge? Ideally, this will offer guidance on an effective dissemination strategy. Project messages are relevant to multiple sectors: farmers, extension workers, consumers and policy makers. Attempts were made to survey these multiple stakeholders. We collected 236 opinions and found considerable variation, not only between groups but also between the same sectors in different countries. The most popular and highest-ranking sources overall were traditional press formats of newspapers and magazines. On the other hand, accessing information from social media was very polarised; almost non-existent for German and Polish stakeholders but widely used by UK farmers (possibly skewed by the dominance of face-to-face rather than on-line data collection). Findings suggest that each message from research projects needs a customized approach in dissemination, depending on the target audience and their regular habits of sourcing information
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Forfattere
Vibeke Lind Martin Riis Weisbjerg Grete H. M. Jørgensen Julia E. Fernandez-Yepes Lesly Arbesú Eduarda Molina-AlcaideSammendrag
The aim of the present work was to investigate the potential of Porphyra sp. as an alternative source of protein to soybean meal in diets for sheep. Our experimental treatments included a control diet (CON) based on grass silage and crushed oats and three diets containing protein supplements, clover silage (CLO), soybean meal (SOY) or Porphyra sp. (POR) to increase dietary crude protein concentrations. We studied its effects on rumen fermentation, growth rate and methane emissions. Ruminal fermentation characteristics, kinetics of gas production and methane production were studied in vitro by using batch cultures inoculated with rumen inoculum from sheep. There were no differences among diets in total volatile fatty acids (VFA) production or in the VFA profile in vitro. Across treatments, we measured no differences in methane production either in vitro or in vivo, and we saw no noticeable antimethanogenic effect of Porphyra sp. The present in vivo trial with lambs showed no differences in average daily weight gain when fed diets including Porphyra sp. or soybean meal diets (250 and 254 g/d, respectively). We conclude that Porphyra sp. has a protein value similar to high-quality protein sources like soybean meal.
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