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Livestock Production Systems Lab
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The lab views soil, grass, and livestock as one and explores how grazing can be used to raise livestock.
AboutAbout the lab
Soil, grass, and livestock as one system
The Livestock Production Systems Lab studies production systems that raise large herbivorous livestock such as cattle and horses by making the most of the land.
Producing pasture grass for feed, livestock eating that feed to produce milk and meat, and returning manure to the land form a single system connected by the flow of materials.
The lab clarifies the factors and mechanisms behind changes in each part and the relationships among the parts, aiming for efficient and sustainable livestock production.
Its research spans the physiology, nutrition, ecology, and behavior of animals and plants.
Key terms
- Grazing
- A method of raising livestock by releasing them onto pasture and letting them eat the growing grass directly.
- Indoor housing
- A method of raising livestock inside barns and feeding them cut grass, grain, and other feed.
- Foraging strategy
- The characteristic way each herbivore species eats grass: which grass, how much, and in what manner.
NewsLab news
Master's and undergraduate students won the Best Presentation Award at the 14th Annual Meeting of the Hokkaido Society of Animal Husbandry and Grassland Science
Master's students won the Outstanding Young Presenter Award at the 80th Annual Meeting of the Japanese Society of Grassland Science
Master's students won the Outstanding Presentation Award at the 132nd Annual Meeting of the Japanese Society of Animal Science
Master's students won the Best Presentation Award at the 12th Annual Meeting of the Hokkaido Society of Animal Husbandry and Grassland Science
ResearchResearch themes
The lab views livestock production as a single ecosystem of soil, grass, and livestock, and pursues ways to raise herbivorous livestock by making the fullest use of the grass resources on the land where they are kept. Its main theme is grazing, which can reduce fertilizer, labor, and other inputs.
*Illustrative imageHorse grazing and how horses eat grass
Although horses and cattle are both herbivores, their digestive systems are entirely different, and so are the ways they eat grass and their foraging strategies on pasture. The lab is currently observing in detail the feeding behavior of foals at pasture and investigating how it develops.
*Illustrative imageCharacteristics of milk and meat from grazed cattle
It is known that milk and beef from cattle raised on pasture differ in flavor and texture from those of cattle fed large amounts of grain, but the causative substances and mechanisms are unclear. The lab is clarifying the differences in flavor and in the substances contained in products from grazing versus indoor housing.
MembersFaculty
The members of the Livestock Production Systems Lab are faculty, doctoral, master's, and undergraduate students.As of 2026
- ProfessorKoichiro Ueda
- Associate ProfessorTomohiro Mitani
- Assistant ProfessorSeongjin Oh
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: “NRCSWI00094 - Wisconsin (6833)(NRCS Photo Gallery)” Photo by Bob Nichols, USDA Natural Resources Conservation Service. / Public domain (cropped)
- Horse grazing and how horses eat grass: “Mare on a pasture with two foals” Горбунова М.С. / CC BY-SA 4.0 (cropped)
- Characteristics of milk and meat from grazed cattle: “Glass of milk on table” PotatoCow25 / CC BY-SA 4.0 (cropped)
- Related lab
(動物機能栄養学研究室): “Holstein Friesian cows strip-grazing a turnip field - geograph.org.uk - 5284652” Evelyn Simak / CC BY-SA 2.0 (cropped) - Related lab (遺伝繁殖学研究室): “Bovine Blastocyst” Pandal00m / CC BY-SA 4.0 (cropped)
- Related lab (細胞組織生物学研究室): “Prosciutto di Parma, Tagliere, Italia” Luca Dea / CC BY 4.0 (cropped)
- Related lab (静内研究牧場
（河合正人） ): “Japanese Shorthorn = Cattle of the World: Japanese Shorthorn (female) ( ) (cropped)” JIRCAS Library from Tsukuba, Japan / CC BY 2.0 (cropped)
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