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논문 기본 정보

자료유형
학술저널
저자정보
김상근 (충남대학교 농과대학) 박항균 (경북대학교 농과대학)
저널정보
한국동물번식학회 한국동물번식학회지 한국동물번식학회지 제12권 제2호
발행연도
1988.1
수록면
112 - 119 (8page)

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These studies were conducted to investigate the effects of culture temperature and time on the in vitro maturation and semen type and media on the in vitro fertilization of bovine follicular oocytes, and to asses in vitro fertilization rate of oocytes cultured by extraffollicular method following fertilization in vitro, or transfer into the pseudopregnant rabbit oviduct or uterus. The bovine oocytes recovered from follicles were cultrued for 18 hrs or 72hrs at 38$^{\circ}C$ with 5% CO2 in moist air. Flesh-diluted(2 folds) and frozen-thawed semen in 0.5ml straw from a fertile bull were used. In order to obtain capacitation of spermatozoa were treated with bovine follicular fluids(BFF) and Inophore A(IA). The results obtained were summarized as follows: 1. The oocytes were classified as "A, B, C, D and Degenerative" depending morphological integrity and those were 62.0%, 12.0%, 17.2%, 5.9% and 3.0% of the total oocytes harvested, respectively. 2. The oocytes matured to metaphase II were significantly increased between 24-48hrs of incubation and at 37-39$^{\circ}C$ with 5% CO2 in moist air. 3. The in vitro fertilization rate following transferred into rabbit oviduct or uterus with bull semen and in vitro matured oocytes were higher ligation than non-ligation of oviduct or uterus. 4. The in vitro fertilization rate of oocytes matured in vitro were higher neat than frozen semen and treatment of IA than BFF on the capacitation of spermatozoa. 5. The effects of semen types and media on in vitro fertilization of oocytes matured in vitro were higher fertilization rate of neat than friozen semen, and media was not significant.

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