- Ruminant Nutrition and Digestive Physiology
- Genetic and phenotypic traits in livestock
- Reproductive Physiology in Livestock
- Effects of Environmental Stressors on Livestock
- Agriculture Sustainability and Environmental Impact
- Animal Nutrition and Physiology
- Phytase and its Applications
- Meat and Animal Product Quality
- Agronomic Practices and Intercropping Systems
- Muscle metabolism and nutrition
- Fatty Acid Research and Health
- Agroforestry and silvopastoral systems
- Animal Behavior and Welfare Studies
- Seaweed-derived Bioactive Compounds
- Protein Hydrolysis and Bioactive Peptides
- Odor and Emission Control Technologies
- Botany and Plant Ecology Studies
- Moringa oleifera research and applications
- Anaerobic Digestion and Biogas Production
- Agricultural economics and policies
- Livestock Management and Performance Improvement
- Food composition and properties
- Bioenergy crop production and management
- Liver Disease Diagnosis and Treatment
- Crop Yield and Soil Fertility
Aarhus University
2016-2025
Ste. Anne's Hospital
2019
Danish Cattle Research Centre
1994-2018
Institute of Animal Physiology of the Slovak Academy of Sciences
2004
Institute of Animal Science
2003
Royal Agricultural University
2001
Estación Experimental del Zaidín
1996
Diponegoro University
1996
National Institute of Animal Science
1994
Abstract Enteric methane ( CH 4 ) production from cattle contributes to global greenhouse gas emissions. Measurement of enteric is complex, expensive, and impractical at large scales; therefore, models are commonly used predict production. However, building robust prediction requires extensive data animals under different management systems worldwide. The objectives this study were (1) collate a database individual lactating dairy cattle; (2) determine the availability key variables for...
Nitrate may lower methane production in ruminants by competing with methanogenesis for available hydrogen the rumen. This study evaluated effect of 4 levels dietary nitrate addition on enteric production, emission, feed intake, rumen fermentation, nutrient digestibility, microbial protein synthesis, and blood methemoglobin. In a 4×4 Latin square design lactating Danish Holstein dairy cows fitted rumen, duodenal, ileal cannulas were assigned to calcium ammonium levels: control, low, medium,...
Enteric methane emissions are the single largest source of direct greenhouse gas (GHG) in beef and dairy value chains a substantial contributor to anthropogenic globally. In late 2019, World Wildlife Fund (WWF), Advanced Research Projects Agency-Energy (ARPA-E) Foundation for Food Agriculture (FFAR) convened approximately 50 stakeholders representing research production seaweeds, animal feeds, cattle, foods discuss challenges opportunities associated with use seaweed-based ingredients reduce...
The objective of the present study was to investigate effect individual and combined use dietary fat, nitrate 3-nitrooxypropanol (3-NOP) on dairy cows' enteric methane (CH4) emission production performance. Twenty-four primiparous 24 multiparous Danish Holstein cows (111 ± 44.6 d in milk; mean SD) were included an incomplete 8 × Latin square design with 6 21 periods. Dietary treatments organized a 2 factorial arrangement aiming for levels FAT (30 or 63 g crude fat/kg DM; LF HF,...
Abstract Dietary protein degraded to various extents by varying the time of rumen incubation was prepared from eight concentrates and four roughages. Intestinal digestibility obtained using mobile bag technique on intact samples undegraded dietary each feed. The results showed that increased degradability in decreased intestinal digestibility, which shows feedstuffs contain a fraction is both undegradable indigestible intestine. thus indicate it possible calculate information feed at any...
Abstract Livestock farming systems are major sources of trace gases contributing to emissions the greenhouse (GHG) nitrous oxide (N 2 O) and methane (CH 4 ), i.e. N O accounts for 10% CH 30% anthropogenic contributions net global warming. This paper presents scenario assessments whole‐system effects technologies reducing GHG from livestock model farms using slurry‐based manure management. Changes in housing storage practice, mechanical separation, incineration solid fraction derived...
Due to climate change, periods of drought might be longer and occur more frequently, which challenges roughage production requires changed feeding dairy cattle by increasing the grain content diet. This study investigated effect diets with concentrate proportions up 91% dry matter on intake (DMI), milk production, enteric methane emission, rumen fermentation, bacterial community structure, nutrient digestibility, behavior Holstein Jersey cows. Twelve Danish 12 cows were fed ad libitum one 3...
The influence of dairy cattle feed composition on the manure and dynamics plant availability slurry N was studied. Dairy cows were fed seven different forages either with or without supplemental concentrates. concentration in faeces dry matter varied from 18 to 38 g/kg increased increasing digestibility feed. Cattle slurries consisting a mixture 0·5 faecal urinary stored according common agricultural practice Northern Europe. mineralization during storage very variable (0·09–0·50)....