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
Forfattere
Håvard SteinshamnSammendrag
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Sammendrag
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Forfattere
Annette Folkedal SchjøllSammendrag
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Sammendrag
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Forfattere
Ingunn M. VågenSammendrag
Nordmenn spiser i gjennomsnitt 6 kg løk i året. Det er lavt sammenlignet med de fleste andre land, men er likevel en økning fra ca 4 kg for 10-15 år siden. Det har blitt jobbet mye i verdikjeden for løk i Norge, med fokus på kvalitet, mangfold og kunnskapsdeling. Løk har fremfor alt god smak, men er også en av de sunneste grønnsakene. Løk anbefales spesielt som en av 5-om-dagen på grunn av sine gode dokumenterte helsevirkninger.
Forfattere
Inger Sundheim FløistadSammendrag
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Sammendrag
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Sammendrag
Mountain grazing conditions represent a constraint on lamb growth performance for various reasons. One approach to counteract these effects is to graze lambs on improved pastures. We tested the effects of grazing ewes and/or their lambs on established grass-clover (GCM), chicory alone (CHA), and grassclover-chicory (GCC) stands on spring (Exp.1) and summer (Exp.2) pastures on lamb performance. We hypothesized that CHA and GCC would sustain higher spring and autumn daily gain of lambs compared with GCM. In Exp.1, 12 twin-rearing ewes together with their 24 lambs were randomly allocated into three sward types replicated twice (n=2 ewes, 4 lambs/replicate) and monitored for 25 d before sending to mountain pasture. In Exp.2, 24 weaned lambs from the mountain pasture were again randomly allocated to one of the above pasture types and grazed for 28 d. We observed differences in chemical composition and estimated energy values between swards containing chicory and GCM swards. However, these did not affect lamb performance during both experiments, contrary to our previous findings, suggesting that grazing sheep either selected against chicory, or the observed differences in chemical composition among sward types were not strong enough to influence performance, or a combination of the two possible effects
Sammendrag
The Norwegian sheep industry is based on utilization of “free” rangeland pasture resources. Use of mountain pastures is dominating, with about two million sheep grazing these pastures during summer. Regional challenges related to e.g., loss of sheep to large carnivores make farmers think differently. The Norwegian coastline is among the longest globally and is scattered with islets and islands. Alone along the coast of Nordland county, it is estimated more than 14,000 islands. Use of islands for summer pasture is an alternative but there is a limited knowledge about such a management system. In this study, we examined lambs' average daily gain on island pastures at the coast of Norway. In total 230 lambs on three islands (Sandvær, Sjonøya, and Buøya), with varying pasture quality and stocking rate, for 3 years (2012, 2013, and 2014). At Sandvær as much as 92% of the island was characterized as high nutritional value while at Sjonøya and Buøya only 15%, was characterized high nutritional value. We found an average daily lamb growth rate of 0.320 kg d−1. Lambs on Sandvær had a higher daily gain (P < 0.05) than those on Sjonøya and Buøya, and lambs' average daily gain was significantly lower (P < 0.05) in 2013 compared to 2012 and 2014. We conclude that with a dynamic and adaptive management strategy there is a potential to utilize islands for sheep grazing during summer.
Sammendrag
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