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Animal Nutrition Lab
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The lab searches for new feed ingredients for cattle, pigs, and rabbits and tests how useful they are.
AboutAbout the lab
The science of animal nutrition
The Animal Nutrition Lab searches for new feed ingredients for rabbits, cattle, pigs, and chickens, and investigates how useful they are.
In recent years, the lab has focused on research on using insects as feed and on searching for ingredients that improve the gut environment and antioxidant capacity of animals.
In addition to digestibility trials and component analysis, the lab evaluates ingredients with methods such as metabolome analysis and metagenomic analysis.
The lab is located inside the University Farm in Kasama, Ibaraki Prefecture, and students commute to the farm to conduct their research.
Key terms
- Antioxidant capacity
- The ability to counter oxidative stress, which damages cells and arises in the body from causes such as heat
- Metagenomic analysis
- A method of reading the genes of the microorganisms living in places such as the gut all together, to find out which microorganisms are present
- Frass
- The droppings and uneaten food left over after raising insect larvae. It is thought to be usable as fertilizer
NewsLab news
View More ↗ResearchResearch themes
The lab searches for new feed ingredients for livestock and rabbits and evaluates how useful they are. Its research covers resource recycling using insects, the search for feed ingredients that improve gut environment and antioxidant capacity, and the nutrition and physiology of rabbits.
*Illustrative imageResource recycling using insects
The lab focuses on insects such as black soldier flies, which can be raised on food waste and similar materials. It conducts feeding trials in which insect meal is given to pigs and chickens, and in vitro trials in which insect-derived fats and oils are incubated in test tubes that reproduce the cow's stomach (the rumen). It also examines how forage crops grow when frass left over from raising the larvae is used as fertilizer.
*Illustrative imageFunctional feeds that protect the gut and body
The lab searches for feed ingredients that keep the animal's gut environment healthy, raise antioxidant capacity to counter oxidative stress caused by heat, and also help improve the quality of livestock products.
*Illustrative imageRabbit nutrition and physiology
The lab studies rabbit nutrition and physiology in order to improve rabbits' quality of life through better feed. Rabbits are unusual animals that can change the form of the feces they eat to increase protein, and the reason for this is still unknown.
MembersFaculty
The members of the Animal Nutrition Lab consist of faculty and of doctoral, master's, and undergraduate students who are enrolled at other universities (Kagawa University and the Graduate School of Ehime University) and continue to receive supervision from the lab.As of 2026
- Associate ProfessorKiyonori KawasakiPublications ↗
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Criadero de cerdos del Instituto Línea Cuchilla (Ruiz de Montoya)” Horacio Cambeiro / CC BY-SA 4.0 (cropped)
- Resource recycling using insects: “Black soldier fly larvae eating yam” Zenyrgarden / CC BY-SA 4.0 (cropped)
- Functional feeds that protect the gut and body: “Cerdo comiendo” Andrew.brown.garcia / CC0 (cropped)
- Rabbit nutrition and physiology: “Drei Kaninchen beim Fressen” 4028mdk09 / CC BY-SA 3.0 (cropped)
- Related lab (東京大学大学院農学生命科学研究科附属牧場
（Animal Resource Science Center） （山内啓太郎研究室） ): “Cattle grazing, Fillmore County, Minnesota” Y1997xf11 / Public domain (cropped) - Related lab (産業技術総合研究所): “Brainbow (Smith 2007)” Stephen J Smith / CC BY 3.0 (cropped)
- Related lab (応用免疫学研究室): “Leishmania major promastigotes” Abanima (ru.wikipedia) / CC BY-SA 3.0 (cropped)
- Related lab (放射
線動物科学研究室): “Individually cage for lab mice” Karol Głąb (Karol007) / CC BY-SA 3.0 (cropped)
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