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Animal Nutrition Science Lab
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A lab that explores meat and chicken eggs through animal nutrition and metabolism.
AboutAbout the lab
Understanding animal metabolism to open up the future of meat and chicken eggs
The Animal Nutrition Science Lab studies the mechanisms of animal nutrition and metabolism, using chickens, quails, mice, rats, and cells.
The lab investigates the metabolic and transport mechanisms specific to the liver, kidney, and ovary, as well as new physiological functions of components contained in food.
Focusing on essential nutrients, food components involved in taste and palatability, and food components with strong physiological effects, the lab aims to propose new concepts in nutritional physiology.
Key terms
- IgY
- An antibody abundant in eggs. It is derived from the blood of the mother hen.
- FcRY
- A transmembrane protein reported to be involved in the transport of IgY.
- Polyamine
- An amine compound metabolized from amino acids. It is deeply involved in cell proliferation, protein metabolism, and cell function.
NewsLab news
Announced in a press release a study analyzing the egg yolk components of quail raised on brown rice.
A master's student received the Outstanding Presentation Award at the 2026 Autumn Meeting of the Japan Poultry Science Association.
A study on the effects of brown rice feed on egg yolk components was published in Food Chemistry.
Published a review on intestinal immunity in pigs together with a professor at North Carolina State University.
ResearchResearch themes
The lab studies, using animals and cells, the nutrition involved in the healthy raising of livestock and the maintenance of human health. It investigates metabolic and transport mechanisms in the liver, kidney, and ovary, and new physiological functions of food components, through comprehensive analyses of genes, lipids, and more, as well as protein analyses.
*Illustrative imageHow Eggs Are Formed
Eggs are rich in an antibody called IgY and in glutamate, but how these are selected in the ovary and transported to the yolk is still largely unknown. The lab has reported that a transmembrane protein called FcRY is involved in IgY transport, and aims to clarify the transport system in the chicken ovary.
*Illustrative imageProducing Eggs with Rice
Instead of imported corn, the lab uses rice, which can be produced domestically, as feed and examines whether chicken eggs can be produced stably. It also investigates the health of the hens and how the nutrients and bioactive components in the eggs change.
*Illustrative imageHow Fatty Liver Develops
Birds synthesize large amounts of egg yolk fat in the liver, so they are prone to fatty liver. So that chickens can lay eggs in good health for a long time, the lab is working to clarify how the condition develops and to find nutritional factors that suppress it.
*Illustrative imageAmino Acid Metabolism in Broiler Chickens
The lab has found that the kidney of broiler chickens may synthesize polyamines. It is investigating how the kidney synthesizes polyamines and how this relates to growth.
MembersFaculty
The members of the Animal Nutrition Science Lab consist of faculty, administrative assistants, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorAtsushi Murai
- Assistant ProfessorKyohei Furukawa
VoicesStudent voices
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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: “A brood of hens in a coop at Mlinza Farm 05” Zahara5555 / CC BY-SA 4.0 (cropped)
- How Eggs Are Formed: “Chicken raw egg with broken shell” Sauvagette / CC BY-SA 4.0 (cropped)
- Producing Eggs with Rice: “Two farmers driving a tractor towing a raft loaded with green rice sheaves in a paddy field of Vang Vieng Laos” Basile Morin / CC BY-SA 4.0 (cropped)
- How Fatty Liver Develops: “Poultry Farm in Namakkal, Tamil Nadu” Matthew T Rader / CC BY-SA 4.0 (cropped)
- Amino Acid Metabolism in Broiler Chickens: “Broiler house” Joe Valbuena / Public domain (cropped)
- Related lab (Integrative Animal Physiology Lab): “Coturnix japonica, Yehliu, Taiwan 1” 孫鋒 林 from Taipei, Taiwan / CC BY-SA 2.0 (cropped)
- Related lab (Avian Bioscience Lab): “Egg incubator” Vyperx1 / Public domain (cropped)
- Related lab (Animal Production Science Lab): “Dairy Cattle Feeding on a Farm Saline Township Michigan” Dwight Burdette / CC BY 3.0 (cropped)
- Related lab (Horticultural Science Lab): “Horticulture worker” Slience Suzuka / CC BY-SA 4.0 (cropped)
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