Search Results - "Steinshamn, Håvard"
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Revision of Vitamin E recommendations for dairy cows in organic agriculture: a review-based approach
Published in Biological agriculture & horticulture (02-10-2023)“…Vitamin E is essential and supplementation to the diet is often needed to meet the requirements of farm animals. This is particularly relevant during long…”
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Higher PUFA and n-3 PUFA, conjugated linoleic acid, α-tocopherol and iron, but lower iodine and selenium concentrations in organic milk: a systematic literature review and meta- and redundancy analyses
Published in British journal of nutrition (28-03-2016)“…Demand for organic milk is partially driven by consumer perceptions that it is more nutritious. However, there is still considerable uncertainty over whether…”
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Composition differences between organic and conventional meat: a systematic literature review and meta-analysis
Published in British journal of nutrition (28-03-2016)“…Demand for organic meat is partially driven by consumer perceptions that organic foods are more nutritious than non-organic foods. However, there have been no…”
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Use of Copper-Based Fungicides in Organic Agriculture in Twelve European Countries
Published in Agronomy (Basel) (01-03-2022)“…The reduction of copper-based plant-protection products with the final aim of phasing out has a high priority in European policy, as well as in organic…”
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Condensed tannins, novel compounds and sources of variation determine the antiparasitic activity of Nordic conifer bark against gastrointestinal nematodes
Published in Scientific reports (18-08-2023)“…The antiparasitic potential of plants could offer a vital solution to alleviating the costs of gastrointestinal nematode (GIN) infections in ruminant…”
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Effect of grassland cutting frequency, species mixture, wilting and fermentation pattern of grass silages on in vitro methane yield
Published in Scientific reports (23-03-2023)“…Mitigating enteric methane (CH 4 ) emissions is crucial as ruminants account for 5% of global greenhouse gas emissions. We hypothesised that less frequent…”
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Extracts of pine bark (Pinus sylvestris) inhibit Cryptosporidium parvum growth in cell culture
Published in Parasitology research (1987) (01-08-2021)“…The widespread apicomplexan parasite Cryptosporidium parvum is responsible for severe gastrointestinal disease in humans and animals. The treatment options are…”
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Effect of Feeding Intensity and Milking System on Nutritionally Relevant Milk Components in Dairy Farming Systems in the North East of England
Published in Journal of agricultural and food chemistry (25-07-2012)“…There is increasing concern that the intensification of dairy production reduces the concentrations of nutritionally desirable compounds in milk. This study…”
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Associations among nutrient concentration, silage fermentation products, in vivo organic matter digestibility, rumen fermentation and in vitro methane yield in 78 grass silages
Published in Animal feed science and technology (01-03-2022)“…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…”
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Phytoestrogens and their metabolites in bulk-tank milk: effects of farm management and season
Published in PloS one (21-05-2015)“…Phytoestrogens have structures similar to endogenous steroids and may induce or inhibit the response of hormone receptors. The objectives of the present study…”
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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
Published in Animal feed science and technology (01-08-2019)“…•Grass silage in an in vitro diet was replaced with seaweed protein fractions.•Seaweed protein fractions increased estimated utilisable crude protein in…”
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Comparison of Greenhouse Gas Emissions, Nitrogen Intensity, Gross Margin, and Land Use Occupation between Comparable Conventional and Organic Managed Dairy Farms
Published in Agricultural and food science (20-04-2024)“…In this study, 200 Norwegian dairy farms were analyzed over three years to compare greenhouse gas emissions, nitrogen (N) intensity, gross margin, and land use…”
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Comparative analysis of the anthelmintic efficacy of European heather extracts on Teladorsagia circumcincta and Trichostrongylus colubriformis egg hatching and larval motility
Published in Parasites & vectors (04-11-2022)“…Abstract Background Gastrointestinal nematode (GIN) control is traditionally achieved with the use of anthelmintic drugs, however due to regulations in organic…”
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White or red clover-grass silage in organic dairy milk production: Grassland productivity and milk production responses with different levels of concentrate
Published in Livestock science (01-12-2008)“…Red (RC) or white (WC) clover were grown in mixture with grasses, ensiled and offered to dairy cows in early lactation over two successive years (48 cows per…”
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Prevalence of Anaplasma phagocytophilum infection and effect on lamb growth
Published in Acta veterinaria scandinavica (13-05-2011)“…A major challenge in sheep farming during the grazing season along the coast of south-western Norway is tick-borne fever (TBF) caused by the bacteria Anaplasma…”
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Anaerobic digestion of dairy cattle slurry—long-term effects on crop yields and chemical soil characteristics
Published in Organic agriculture (01-12-2023)“…Renewable energy in the form of biogas can be produced by anaerobic digestion (AD) of animal manure. However, there is still a lack of knowledge on the…”
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Variation in rate of phenological development and morphology between red clover varieties: Implications for clover proportion and feed quality in mixed swards
Published in Grass and forage science (01-09-2019)“…Red clover (Trifolium pratense) grown in mixtures with grasses often constitutes a lower proportion of total yield in spring than in summer growth. A more even…”
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Administration of spruce bark (Picea abies) extracts in young lambs exhibits anticoccidial effects but reduces milk intake and body weight gain
Published in Acta veterinaria scandinavica (23-04-2022)“…Eimeria spp. are widespread apicomplexan parasites known to cause coccidiosis in livestock, resulting in reduced animal welfare and productivity, particularly…”
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Effects of Grazing Abandoned Grassland on Herbage Production and Utilization, and Sheep Preference and Performance
Published in Frontiers in environmental science (29-05-2018)“…Large areas of farmland are abandoned in Norway, which for various reasons are regarded as undesirable. Loss of farmland may have negative implications for…”
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Effect of Crop Protection and Fertilization Regimes Used in Organic and Conventional Production Systems on Feed Composition and Physiological Parameters in Rats
Published in Journal of agricultural and food chemistry (06-02-2013)“…Very little is known about the effects of an organic or conventional diet on animal physiology and health. Here, we report the effect of contrasting crop…”
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