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Genetics and Reproduction Lab
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The lab studies mammalian ontogeny from the cellular level.

AboutAbout the lab
Studying mammalian ontogeny from the cellular level
The Genetics and Reproduction Lab studies mammalian ontogeny from the cellular level.
The lab works to clarify how early embryos of livestock develop and differentiate, and how pregnancy is recognized between the embryo and the mother.
The lab is also developing techniques for efficient embryo production and cryopreservation to raise conception rates.
Key terms
- Ontogeny
- The process by which a fertilized egg repeatedly divides and develops into a whole body.
- Early embryo
- An embryo at the stage shortly after fertilization, when cell division has just begun.
- Conception rate
- The proportion of artificial inseminations or embryo transfers that result in pregnancy.
ResearchResearch themes
The lab studies mammalian ontogeny from the cellular level. It investigates the development and differentiation of early embryos in livestock, and the mechanisms by which pregnancy is recognized between the embryo and the mother.
View More ↗MembersFaculty
The members of the Genetics and Reproduction Lab are faculty, doctoral, master's, and undergraduate students, and research students.As of 2026
- ProfessorMasashi Takahashi
- Associate ProfessorManabu Kawahara
- Associate ProfessorHanako Bai
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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: “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 (畜牧体系学研究室): “NRCSWI00094 - Wisconsin (6833)(NRCS Photo Gallery)” Photo by Bob Nichols, USDA Natural Resources Conservation Service. / Public domain (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) - 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)
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