난포자극호르몬(Follicle Stimulating Hormone) 투여 농도가 칡소 수정란의 생산과 이식에 미치는 영향 = Effect of Follicle Stimulating Hormone Dosage on the Production and Pregnancy of Embryos Derived from Korean Brindle Cows

다국어 초록 (Multilingual Abstract)

Korean native cattles (Han woo) are divided yellow, tiger(blinder), and black by coat color. Chikso has tiger coat color, which cultured about 1,700 heads within Korea. However there were a few researches reported about preservation and production. This study was conducted to investigated that the effect of follicle stimulating hormone (FSH) dosage(240 mg and 280 mg) on the embryo production, pregnancy and calf birth weights. There were no difference total embryo and transferable embryo between FSH 240 mg or 280 mg treatment, but pregnancy rate was increased 46% in embryos derived from 280 mg group than 240 mg group's 29.6%. The birth weight of Chikso calves was similar between artificial insemination(25.6 kg) and embryo transfer(24.8 kg) groups.