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우수 포유동물 수정난의 이용효율 제고에 관한 연구 I. 우 난포란의 체외성숙, 수정 및 발육
김정익,한상익,박춘권,임석기,김종배,정병현,정길생 한국동물번식학회 1992 Reproductive & developmental biology Vol.16 No.1
Bovine oocytes obtained from ovarian(2 to 5mm in diameter) of slaughtered cows were cultured in TCM 199 with 10~20% estrous-cow-serum(ECS) for 24~25hr at 39$^{\circ}C$ in 5% CO2-95% air. After culture, some oocytes were examined their maturation. The remainder were used to assess the fertilizability with frozen-thawed spermatozoa in a medium containing caffeine and heparin, and subsequent development in media with bovien cumulus cells(BCC) or bovine oviduct epithelial cells(BOEC). The results obtained were summarized as follows ; 1. The maturation rate of the oocytes in TCM199 with 15% ECS group(76.5%) was higher than that of 10% ECS(69.2%) or 20% ECS group(64.8%). 2. The proportions of the oocytes penetrated and the pronuclear oocytes in the presence of caffeine and heparin were 72.1%(62/86) and 93.5%(58/62), respectively. The rate of polyspermy in the fertilized oocytes was 8.1%. 3. When 73 oocytes recovered from fertilization drop were cultured in TC-199 medium with 10% fetal calf serum(FCS), 41 oocytes(56%) cleaved to 2-cell and further stages of embryos. Among these only one embryo developed upto morula stage. 4. The rate of the cleaved oocytes was higher in medium with BCC(80%:59/74) than BOEC(76%:58/76). However, the rate of developed morulae and blastocysts was higher in the medium with BOEC(40%;23/58) than with BCC(34;20/59).
고지사육(高地飼育) 번식장해(繁殖障害) 유우(乳牛)의 혈액학치(血液學値)의 관(關)한 연구(硏究)
유규연,고광두,박춘권,김현기,Yoo, Kyu-yon,Goh, Gwang-du,Park, Choon-keun,Kim, Hyun-ki 대한수의학회 1988 大韓獸醫學會誌 Vol.28 No.2
Observations were made on the blood picture of 50 multiparous and 98 infertile cows. The results obtained in this study were summarized as follows. 1. Mean values of RBC, Hb, PCV, MCV, MCH, MCHC and platelets for normal multiparous cows were $6.87{\pm}0.84{\times}10^6/mm^3$, $10.3{\pm}1.3g/100ml$, $31.4{\pm}3.7ml/100ml$, $46.1{\pm}6.9{\mu}^3$, $15.3{\pm}2.6pg$, $34{\pm}2.7%$, and $372.7{\pm}304.7{\times}10^3/mm^3$ respectively. 2. Mean values of RBC, Hb, PCV, MCV, MCH, MCHC and platelets for infertile cows were $7.00{\pm}0.98{\times}10^6/mm^3$, $10.6{\pm}1.2g/100ml$, $32.1{\pm}3.6ml/100ml$, $45.8{\pm}6.7{\mu}^3$, $15.3{\pm}1.8pg$, $33.9{\pm}3.3%$, and $382.7{\pm}157.5{\times}10^3/mm^3$, respectively. 3. Mean values of WBC count for normal multiparous and infertile cows were $7.92{\pm}1.72$ and $9.04{\pm}2.87{\times}10^3/mm^3$ respectively. 4. In the differential leukocytes count, mean values of neutrophils, lymphocytes, monocytes, eosinophils and basophils for normal multiparous cows were $29.7{\pm}7.9%$, $56.8{\pm}7.6%$, $2.9{\pm}1.9%$, $9.9{\pm}5.3%$ and $0.3{\pm}0.7%$, respectively, and mean values of neutrophils, lymphocytes, monocytes, eosinophils and basophils for infertile cows were $31.9{\pm}7.8%$, $57.5{\pm}7.9%$, $2.6{\pm}1.9%$, $7.5{\pm}4.8%$, and $0.4{\pm}0.2%$, respectively.