J-GLOBAL ID:200904088759665612  Research Project code:9800045489 Update date:Nov. 10, 2003

Study on efficient embryo extraction technique from Japanese black cattle

Study period:1997 - 2001
Organization (1):
Investigating Researcher (3):
Research overview:
A recent report says that embryo picking result increased by imbibing to remove the large follicle (principal follicle) confirmed through periodical observation of the size of follicles in the ovary before hyper-ovulation treatment. Confirmation of the principal follicle requires temporal observation of ovary before processing, however, so it is hardly possible to apply this knowledge to the site as is. Accordingly developed is hyper-ovulation treatment technique to observe follicle wave present in the ovary before hyper-ovulation treatment, to study on influence of existent follicle wave and principal follicle on the embryo picking result and to stably pick normal embryo.
Keywords (5):
cattle ,  embryo ,  ovarian ,  embryo ,  sampling
Research program: Ordinary Research
Research budget: 1999: \4,748,000

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