Research of Animal Nutrition

The Animal Nutrition Group aims to provide a fundamental understanding of nutritional processes and the effect of dietary compounds on the health, growth, welfare or longevity of production animals such as dairy cows, calves, pigs, poultry as well as companion animals. We develop knowledge on the utilisation of (anti-)nutrients in feed/feed ingredients and their impact on the animal. We follow dietary nutrients as they are broken down, absorbed and metabolised by animals.
Our core areas
Core areas of our research are feed technology, digestive processes, nutrient metabolism and requirements, sensing of nutrients, the interaction between nutrients and gene expression and mechanistic modelling of nutrient utilisation. Three major animal species groups have been established with a staff member responsible to develop and coordinate research in collaboration with the head of the group.
Collaborations
Depending on the animal species of interest, different research areas and techniques are applied. Research areas have been developed in close collaboration with our two Centre for Animal Nutrition partners. A close collaboration exists with Wageningen Livestock Research in the line ruminant and pigs/poultry/veal. Feline/canine/equine nutrition research is conducted in close collaboration with our other Centre partner (Faculty of Veterinary Medicine, Utrecht University).
Research areas and target animal species
Ruminant nutrition research is focussed on rumen fermentation, nitrogen and phosphorus efficiency, greenhouse gas emission/mitigation, feed evaluation and nutrient flows. Techniques applied are in vivo, in sacco and in vitro as well (in silico) mechanistic modelling. Research areas on monogastric production animals (pigs/poultry/calves) including feed evaluation, nutrition and immunology, nutrient requirements and modelling of nutrition processes. Canine/feline nutrition research is centred around feed evaluation/technology, nutrient metabolism and evolutionary nutrition with equine nutrition research concentrated around digestive health.
| x | Ruminants | Pigs/poultry/veal |
|---|---|---|
Feed technology | ++ | |
Nutrient analysis | +++ | +++ |
In vitro | +++ | ++ |
Digestion/metabolism | +++ | +++ |
Nutrigenomics | ++ | ++ |
Modelling | +++ | ++ |
- x
Feed technology
RuminantsPigs/poultry/veal++
- x
Nutrient analysis
Ruminants+++
Pigs/poultry/veal+++
- x
In vitro
Ruminants+++
Pigs/poultry/veal++
- x
Digestion/metabolism
Ruminants+++
Pigs/poultry/veal+++
- x
Nutrigenomics
Ruminants++
Pigs/poultry/veal++
- x
Modelling
Ruminants+++
Pigs/poultry/veal++
| x | Cats and dogs | Horses |
|---|---|---|
Feed technology | +++ | |
Nutrient analysis | +++ | ++ |
In vitro | +++ | + |
Digestion/metabolism | +++ | + |
- x
Feed technology
Cats and dogs+++
Horses - x
Nutrient analysis
Cats and dogs+++
Horses++
- x
In vitro
Cats and dogs+++
Horses+
- x
Digestion/metabolism
Cats and dogs+++
Horses+
Research themes
Indirect calorimetry
We study energy metabolism using indirect calorimetry. This technique provides unique information, is non-invasive, and is used to investigate nutrient assimilation, thermogenesis, and energetics of physical activity.
Mathematical modelling
Modelling digestive and metabolic processes in animals has a prominent standing within the Animal Nutrition Group. Mathematical modelling is a central and integral part of the scientific method.
Nutrigenomics
We study how energy balance and metabolic homeostasis are maintained by complex regulatory systems at the molecular level. We are interested in nutrient-sensing regulatory pathways, particularly those triggered by cell-surface receptors.
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