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논문 기본 정보

자료유형
학술저널
저자정보
Yoon, Hye-Ryung (Animal Biotechnology Division, National Institute of Animal Science, RDA) Chung, Hak-Jae (Animal Biotechnology Division, National Institute of Animal Science, RDA) Kim, Kyong-Woon (Animal Biotechnology Division, National Institute of Animal Science, RDA) Byun, Sung June (Animal Biotechnology Division, National Institute of Animal Science, RDA) Park, Mi-Ryung (Animal Biotechnology Division, National Institute of Animal Science, RDA)
저널정보
한국동물번식학회 한국수정란이식학회지 한국수정란이식학회지 제30권 제4호
발행연도
2015.1
수록면
283 - 287 (5page)

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The aim of the present study was to investigate the ovulation rate and its relationship to fertilization ability in Landrace, Durock and Crossbred pigs. Gilts were natural mated at a body weight of at least 120 kg under the same hormone treatment. Embryos were surgically collected 1 day after natural mating (Day 0). Embryos derived from in vivo-fertilized oocytes were cultured in medium PZM-3. The ovaries were examined and the pathological findings were recorded. The number of corpus hemorrhagicum was counted, and was assumed to equal the ovulation rate. There was no difference in the number of corpus hemorrhagicum (20.4, 28.8 and 23.2) and ovulation (13.5, 26.8 and 17.2) in the Landrace, Durock and Crossbred pigs. The two pronucleus formation was 76.0, 80.0 and 86.9%. The Day-7 embryos had blastocyst rates of 68.0, 75.0 and 73.9%. There was no difference in the number of total cells and apoptotic cells. In the future, more studies require determining relationships between ovulation and fertilization rate in different species of pigs.

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