Browsing NIBIO Brage by Author "Steinshamn, Håvard"
Now showing items 1-20 of 44
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A comparative study of clinical manifestations, haematological and serological responses after experimental infection with Anaplasma phagocytophilum in two Norwegian sheep breeds
Stuen, Snorre; Grøva, Lise; Granquist, Erik Georg; Sandstedt, Karin; Olesen, Ingrid; Steinshamn, Håvard (Journal article; Peer reviewed, 2011-02-11)Background It has been questioned if the old native Norwegian sheep breed, Old Norse Sheep (also called Norwegian Feral Sheep), normally distributed on coastal areas where ticks are abundant, is more protected against ... -
Administration of spruce bark (Picea abies) extracts in young lambs exhibits anticoccidial efects but reduces milk intake and body weight gain
Blomstrand, Berit Marie; Enemark, Heidi L; Steinshamn, Håvard; Aasen, Inga Marie; Johanssen, Juni Rosann E.; Athanasiadou, Spiridoula; Thamsborg, Stig Milan; Sørheim, Kristin (Peer reviewed; Journal article, 2022-04-23)Background Eimeria spp. are widespread apicomplexan parasites known to cause coccidiosis in livestock, resulting in reduced animal welfare and productivity, particularly in sheep. The treatment options are limited, and ... -
Associations among nutrient concentration, silage fermentation products, in vivo organic matter digestibility, rumen fermentation and in vitro methane yield in 78 grass silages
Weiby, Kim Viggo Paulsen; Krizsan, Sophie Julie; Eknæs, Margrete; Schwarm, Angela Dagmar; Whist, Anne Cathrine; Schei, Ingunn; Steinshamn, Håvard; Lund, Peter; Beauchemin, Karen A.; Dønnem, Ingjerd (Peer reviewed; Journal article, 2022-02-23)Grass-clover silage constitutes a large part of ruminant diets in Northern and Western Europe, but the impact of silage quality on methane (CH4) production is largely unknown. This study was conducted to identify the quality ... -
Avling og avlingskvalitet i økologisk dyrka gras-raudkløvereng - samla analyse av eldre forsøksdata
Steinshamn, Håvard; Adler, Steffen Andreas; Frøseth, Randi Berland; Lunnan, Tor; Torp, Torfinn; Bakken, Anne Kjersti (Bioforsk FOKUS;, Research report, 2014)Det er behov for å vite kva ein kan vente seg av avling og avlingskvalitet i økologisk dyrka eng til bruk i taktisk og strategisk planlegging av økologisk mjølkeprodukjson. Formålet med dette arbeidet var å utnytte ... -
Bark in feed - for improved feed utilization and animal health
Steinshamn, Håvard (Bioforsk FOKUS;, Research report, 2014)Condensed tannins (CT) in the diet of ruminants may reduce feed intake and digestibility, and thereby production. However, dietary CT may increase protein utilization, reduce enteric methane loss and reduce gastrointestinal ... -
Bærekraft i norsk jordbruksproduksjon. Kunnskapsstatus for videre analyser
Bakken, Anne Kjersti; Bechmann, Marianne; Bonesmo, Helge; Flaten, Ola; Gustavsen, Geir Wæhler; Haukås, Torbjørn; Hegrenes, Agnar; Johansen, Line; Klingen, Ingeborg; Kværnø, Sigrun; Skarbøvik, Eva; Steinshamn, Håvard; Stenrød, Marianne; Winger, Anja Celine; Øgaard, Anne Falk; Korsæth, Audun (NIBIO Rapport, Research report, 2023)Rapporten inneholder ei sammenstilling av kunnskap om status for miljømessig, økonomisk og sosial bærekraft i norsk jordbruksproduksjon og er svar på et oppdrag som NIBIO fikk fra Landbruks- og matdepartementet i november ... -
Chemical Analysis and Anthelmintic Activity Against Teladorsagia Circumcincta of Nordic Bark Extracts In vitro
Athanasiadou, Spiridoula; Almvik, Marit; Hellström, Jarkko; Madland, Eva; Simic, Nebojsa; Steinshamn, Håvard (Peer reviewed; Journal article, 2021-06-04)Helminth parasitic infections are common in small ruminants in Norway; infection is usually treated with anthelmintic drugs, but anthelmintic resistance is an increasing problem. It is necessary to identify strategies to ... -
Comparative analysis of the anthelmintic efficacy of European heather extracts on Teladorsagia circumcincta and Trichostrongylus colubriformis egg hatching and larval motility
Shepherd, Francesca; Chylinski, Caroline; Hutchings, Michael R.; Lima, Joana; Davidson, Ross; Kelly, Robert; Macrae, Alastair; Salminen, Juha-Pekka; Engström, Marica T.; Maurer, Veronica; Steinshamn, Håvard; Fittje, Susanne; Pérez, Ángela Morell; Garcia, Rocio Rosa; Athanasiadou, Spiridoula (Peer reviewed; Journal article, 2022-11-04)Background: Gastrointestinal nematode (GIN) control is traditionally achieved with the use of anthelmintic drugs, however due to regulations in organic farming and the rise in anthelmintic resistance, alternatives are ... -
Condensed tannins, novel compounds and sources of variation determine the antiparasitic activity of Nordic conifer bark against gastrointestinal nematodes
Chylinski, Caroline; Degnes, Kristin Fløgstad; Aasen, Inga Marie; Ptochos, Sokratis; Blomstrand, Berit Marie; Mahnert, Karl-Christian; Enemark, Heidi L; Thamsborg, Stig Milan; Steinshamn, Håvard; Athanasiadou, Spiridoula (Peer reviewed; Journal article, 2023-08-18)The antiparasitic potential of plants could offer a vital solution to alleviating the costs of gastrointestinal nematode (GIN) infections in ruminant production globally. Leveraging known bioactive molecules, however, is ... -
Differing responses in milk composition from introducing rapeseed and naked oats to conventional and organic dairy diets
Butler, Gillian; Stergiadis, Sokratis; Chatzidimitriou, Eleni; Franceschin, Enrica; Davis, Hannah R.; Leifert, Carlo; Steinshamn, Håvard (Journal article; Peer reviewed, 2019-05-31)Dairy products are often considered challenging for health due to their saturated fatty acid content, yet they also provide beneficial nutrients, some unique to ruminants. The degree of fat saturation is influenced by cows’ ... -
Does it matter for the environment how much forage our dairy cows eat?
Steinshamn, Håvard; Walland, Finn; Koesling, Matthias (NIBIO-rapport;7(81) 2021, Research report, 2021-04)To hundre mjølkebruk i Midt-Norge blei delt i tre nesten like store grupper; 'Låg' (68 gardar), 'Medium' (67 gardar) og 'Høg' (68 garder), etter årleg tildeling av kraftfôr til mjølkekyrne for å teste effekten av kraftfôrnivå ... -
E-vitamintilskot – revidert tilråding for mjølkekyr i økologisk produksjon
Steinshamn, Håvard (Journal article, 2023)Mjølkekyr i midt- og seinlaktasjon som går på beite eller har grunnrasjon basert på graskløversurfôr treng ikkje ekstra E-vitamintilskot. For sinkyr og kyr i tidleg laktasjon og for kyr som har ein grunnrasjon basert på ... -
Economy of forage-based cattle beef and milk production
Steinshamn, Håvard; Holmström, Kristina; Riuzzi, Giorgia; Hessle, Anna; Nadeau, Elisabet; Walland, Finn; Gottardo, Flaviana; Butler, Gillian (NIBIO-rapport;7(60) 2021, Research report, 2021-03)For nokre av driftsystema vi granska i SusCatt-prosjektet undersøkte vi nærmare korleis ein overgang til meir grovfôrbasert fôring kan ha å seie for lønnsemda. Fem SusCatt-system blei vurdert, inkludert arbeidet i Sverige ... -
Effect of grassland cutting frequency, species mixture, wilting and fermentation pattern of grass silages on in vitro methane yield
Weiby, Kim Viggo Paulsen; Krizsan, Sophie Julie; Dønnem, Ingjerd; Østrem, Liv; Eknæs, Margrete; Steinshamn, Håvard (Peer reviewed; Journal article, 2023-03-23)Mitigating enteric methane (CH4) emissions is crucial as ruminants account for 5% of global greenhouse gas emissions. We hypothesised that less frequent harvesting, use of crops with lower WSC concentration, ensiling at ... -
Effect of organic grass-clover silage on fiber digestion in dairy cows
Naadland, Sondre Stokke; Steinshamn, Håvard; Krizsan, Sophie Julie; Randby, Åshild Taksdal (Journal article; Peer reviewed, 2017-06)There are differences in grass-clover proportions and chemical composition between herbage from primary growth (PG) and regrowth (RG) in grass-clover leys. Mixing silages made from PG and RG may provide a more optimal diet ... -
Effect of replacing organic grass-clover silage from primary growth with regrowth on feed intake and milk yield of dairy cows
Naadland, Sondre Stokke; Steinshamn, Håvard; Randby, Åshild Taksdal (Journal article; Peer reviewed, 2017-03)Under Norwegian conditions, diets based on primary growth (PG) silage typically increase milk yield compared to silage prepared from the regrowth (RG). Organic PG, dominated by immature grasses, is often high in energy and ... -
Effect of replacing organic grass-clover silage from primary growth with regrowth on N digestion in dairy cows
Naadland, Sondre Stokke; Steinshamn, Håvard; Krizsan, Sophie Julie; Randby, Åshild Taksdal (Journal article; Peer reviewed, 2016-07-22)Clover proportions, and thereby chemical composition of herbage, differ between primary growth (PG) and regrowth (RG) in organic managed grass-clover fields. The characteristics of PG and RG silages suggest different ... -
Effect of supplementing sheep diets with macroalgae species on in vivo nutrient digestibility, rumen fermentation and blood amino acid profile
Özkan_Gülzari, Seyda; Lind, Vibeke; Aasen, Inga Marie; Steinshamn, Håvard (Journal article; Peer reviewed, 2019-07-11)In this study, a brown macroalgae species, Saccharina latissima, processed to increase its protein concentration, and a red macroalgae species, Porphyra spp., were used to evaluate their in vivo digestibility, rumen ... -
Effects of Grazing Abandoned Grassland on Herbage Production and Utilization, and Sheep Preference and Performance
Steinshamn, Håvard; Grøva, Lise; Adler, Steffen; Brunberg, Emma; Lande, Unni Støbet (Journal article; Peer reviewed, 2018-05-29)Large areas of farmland are abandoned in Norway, which for various reasons are regarded as undesirable. Loss of farmlandmay have negative implications for biodiversity and ecosystem function and food production potential. ... -
Effects of grazing previously abandoned grassland on performance in sheep
Grøva, Lise; Steinshamn, Håvard; Brunberg, Emma; Lande, Unni Støbet (Grassland Science in Europe;Volume 21, Peer reviewed; Chapter, 2016)Large areas of cultivated grasslands have been abandoned in Norway and are no longer used for production. Knowing that access to spring and autumn pastures is a limiting factor for sheep farmers, this study aims at testing ...