Blar i SINTEF Open på forfatter "Steinshamn, Håvard"
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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)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 ... -
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 (Peer reviewed; Journal article, 2019)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 ... -
Extracts of pine bark (Pinus sylvestris) inhibit Cryptosporidium parvum growth in cell culture
Blomstrand, Berit Marie; Enemark, Heidi L; Øines, Øivind; Steinshamn, Håvard; Aasen, Inga Marie; Mahnert, Karl-Christian; Sørheim, Kristin; Athanasiadou, Spiridoula; Thamsborg, Stig Milan; Woolsey, Ian (Peer reviewed; Journal article, 2021)The widespread apicomplexan parasite Cryptosporidium parvum is responsible for severe gastrointestinal disease in humans and animals. The treatment options are limited, and the efficacy of available drugs is low. Bark ... -
In vitro evaluation of utilisable crude protein and methane production for a diet in which grass silage was replaced by different levels and fractions of extracted seaweed proteins
Ramin, Mohammad; Franco, Marcia; Roleda, Michael; Aasen, Inga Marie; Hetta, Mårten; Steinshamn, Håvard (Peer reviewed; Journal article, 2019)Utilisable crude protein (uCP), methane (CH4) production and other fermentation parameters were analysed in vitro for a diet in which grass silage was replaced by different levels of seaweed protein fractions prepared from ...