A5009827842- Ruminant Nutrition and Digestive Physiology
- Genetic and phenotypic traits in livestock
- Meat and Animal Product Quality
- Seaweed-derived Bioactive Compounds
- Agriculture Sustainability and Environmental Impact
- Moringa oleifera research and applications
- Sustainable Agricultural Systems Analysis
- Animal Behavior and Welfare Studies
- Protein Hydrolysis and Bioactive Peptides
- Fatty Acid Research and Health
- Echinoderm biology and ecology
- Rangeland Management and Livestock Ecology
- Sensory Analysis and Statistical Methods
- Effects of Environmental Stressors on Livestock
- Odor and Emission Control Technologies
- Liver Disease Diagnosis and Treatment
- Organic Food and Agriculture
- Botany and Plant Ecology Studies
- Reproductive Physiology in Livestock
- Energy and Environment Impacts
- Animal Nutrition and Physiology
- Food and Agricultural Sciences
- Phytase and its Applications
- Indigenous Studies and Ecology
- Pregnancy-related medical research
Norwegian Institute of Bioeconomy Research
2016-2024
NILU
2009-2014
Norwegian University of Life Sciences
2011
Biochar, which is the product of biomass pyrolysis, has been suggested as a feed supplement to improve performance in livestock systems and reduce greenhouse gas (GHG) emissions. The aim current study was investigate vitro vivo potential biochar favourably modify rumen fermentation (e.g., an increase total Short Chained Fatty Acid (SCFA) concentration change SCFA profile), methane emission sheep growth performance. Four concentrates were produced with inclusion 0, 10, 23 46 g/kg DM....
Abstract. Considerable uncertainties and unknowns remain in the regional mapping of methane sources, especially extensive agricultural areas Africa. To address this issue, we developed an observing system that estimates emission rates by assimilating drone flux tower observations into atmospheric dispersion model. In study, apply approach to verify quantify potential sources identified through radiance anomalies observed hyperspectral satellite data. We compare different methods estimate...
This study was designed to analyze the chemical composition and in vitro rumen fermentation of eight seaweed species (Brown: Alaria esculenta, Laminaria digitata, Pelvetia canaliculata, Saccharina latissima; Red: Mastocarpus stellatus, Palmaria palmata Porphyra sp.; Green: Cladophora rupestris) collected Norway during spring autumn. Moreover, ruminal seventeen diets composed 1:1 oat hay:concentrate, without (control diet) or including seaweeds studied. The ash N contents were greater (p <...
Enteric methane (CH4) emissions from sheep contribute to global greenhouse gas livestock. However, as already available for dairy and beef cattle, empirical models are needed predict CH4 accounting purposes. The objectives of this study were to: 1) collate an intercontinental database enteric individual sheep; 2) identify the key variables predicting absolute production (g/d per animal) yield [g/kg dry matter intake (DMI)] their respective relationships; 3) develop cross-validate equations...
In this study, a brown macroalgae species, Saccharina latissima, processed to increase its protein concentration, and red Porphyra spp., were used evaluate their in vivo digestibility, rumen fermentation blood amino acid concentrations. Four castrated rams used, whose diets supplemented with protein-rich fraction of S. commercial spp. soybean meal (SBM). Our results show that the digestibility diet latissima extract was lower (0.55) than those (0.64) SBM (0.66). spite higher nitrogen (N)...
It is assumed that ewes raised in areas with long indoor winter feeding periods need to be supplemented vitamins or other substances help maintain the health status of animals. Various supplements are available on market, but most widely used supplemental antioxidant and vitamin E source synthetic all-rac-α-tocopheryl acteate. The objective present study was compare potential immune stimulant sources regarding bioactivity associated immunological parameters order identify alternatives for...
Grasslands represent key functional ecosystems due to their global contribution macronutrients cycling and role as reservoirs of microbial diversity. The strategic importance these habitats rests on involvement in carbon nitrogen fluxes from the atmosphere soil, while at same time offering extensive sites for livestock rearing. In this study management type, differentiated pasture or meadow, was investigated a variable its possible effects overall bacterial diversity specific genes related...
The aim of the present work was to investigate potential Porphyra sp. as an alternative source protein soybean meal in diets for sheep. Our experimental treatments included a control diet (CON) based on grass silage and crushed oats three containing supplements, clover (CLO), (SOY) or (POR) increase dietary crude concentrations. We studied its effects rumen fermentation, growth rate methane emissions. Ruminal fermentation characteristics, kinetics gas production were vitro by using batch...
Abstract With the objective of studying effects production systems on meat quality, 75 Norwegian White Sheep lambs were subjected to one following treatments: continuous grazing a semi-natural lowland pasture until slaughtering (Control); followed by either stall-feeding concentrate and grass silage or ryegrass for 44 24 days before (Conc44, Conc24, Rye44, Rye24). Loin samples M. longissimus dorsi including subcutaneous fat analysed sensory attributes fatty acid composition. Compared with...
Abstract The aim of this study was to investigate the effects a woodchip-based deep litter on health and welfare sheep. Two different sizes woodchips (small: 2.5 cm large: 5.0 cm) were tested in combination, both with or without Sphagnum peat. Ten groups seven adult, pregnant ewes Norwegian White breed randomly allotted pens containing one bedding mixtures. Resting behaviour, animal cleanliness temperature development measured over four months. woodchip size peat supplement did not affect...
The effects of a commercial seaweed (SW) product and extracts collected from wild SWs in the Northern Norway on cultivable commensal intestinal bacterial groups isolated Norwegian White sheep ewes were studied vivo vitro. Bacterial counts faeces fed with supplement which contained SW meal throughout entire indoor winter period had significantly lower lactic acid bacteria (LAB) (P ≈ .05). screening red brown showed that number organic an inhibitory effect growth two Enterococcus sp. isolates....
Abstract Background The Norwegian sheep farming system relies on forages, such as grass silage during winter and grazing cultivated leys rangeland pastures summer. Sheep other ruminants produce enteric methane (CH 4 ), a greenhouse gas of interest, there is need for reliable data emissions from capturing both the indoor feeding period season. This study utilized an in vitro technique (with standard cow rumen fluid) modeling approach to estimate CH production fermentation patterns based two...
In Norway domestic sheep are mostly kept on mountain pastures over summer. Previous studies have shown that climate conditions affect the growth of grazing lambs in contrasting ways. We analysed a data-set from Tjøtta research farm northern comprising weights and 8696 17 years. The grazed coastal or pasture, 15 km apart. found grew faster when pasture. Spring integrated Normalized Difference Vegetation Index (NDVI) affected only mountains. Winter (North Atlantic Oscillation) summer...