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Estrous Synchronization and Artificial Inseminationin in European Mouflon (Ovis gmelini musimon)

  • Yong, Hwan-Yul;Kim, Seung-Dong;Bae, Bok-Soo;Son, Chun-Soo;Son, Go-Tae;Jeon, Kang-Hee;Song, In-Jun;Kang, Shin-Keun;Gu, Dae-Chang;Lee, Joo-Hyung;Kim, Heon-Youl
    • Journal of Embryo Transfer
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    • v.24 no.4
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    • pp.271-274
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    • 2009

  • To establish a protocol of estrus induction and synchronization in European mouflon, we performed artificial insemination using frozen-thawed semen and exogenous hormones. CIDR was inserted into vaginas of four mouflons for 16 days. A day before removal of CIDR, PG 600 was injected intramuscularly. $PGF_2{\alpha}$ was injected when removing CIDR. Artificial insemination was cervically conducted with injecting LHRH 48 hours after CIDR withdrawal. Even though no pregnancy was confirmed, estrous signs were notified like open cervix, congestion of vaginal wall and discharge of cervical mucus. Further research in the wild sheep would be needed for development of artificial breeding methods and advancing sustainability of domestic zoos.

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Cosmology in University of Seoul

  • Koo, Hyeonmo;Hwang, Seyeon;Jhee, Hannah;Ju, Young;Kim, Sumi;Park, Sangnam;Song, Hyunmi;Sabiu, Cristiano;Smith, Rory;Hong, Sungwook E.;Lee, Jaewon;Bak, Dongsu;Park, Inkyu
    • The Bulletin of The Korean Astronomical Society
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    • v.46 no.1
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    • pp.58.1-58.1
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    • 2021

  • At the University of Seoul, we are investigating the following topics in cosmology: comparing traditional clustering algorithms to our new Mulguishin algorithms, analysis of 2-body Fuzzy Dark Matter 2-body collision, 2- and 3-point clustering statistics and its dependency on the cosmological model, and dynamics of dark-matter halos around the large-scale filamentary structures. In the following sections we present a brief introduction to our studies.

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