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돼지의 성장형태에 관한 연구 Ⅰ. 특정병원균부재 ( SPF ) 돼지의 성장형태
정영철(Y . C . Jung),김성훈(S . H . Kim),정정수(C . S . Chung),박영일(Y . I . Park) 한국축산학회 1989 한국축산학회지 Vol.31 No.11
Growth curves and average daily gain were estimated on the basis of the data from 70 primary SPF, and 238 secondary SPF pigs composed of Large White and Landrace breeds. The results of this study are as follows: l. The measurements of live weight have shown the typical sigmoid curves cmmon in primary and secondary SPF pigs. 2. The estimated growth curves of primary SPF Large White were loge W = 7.9368 -5 .53 × 10^-5D²- 4.9922 loge D + 0.90758(loge D)²(R²=0.972) and loge W = 0.227 + 0.05126 D - 1.955 ×10^-4D² + 2.5 × 10^-7D²(R²=0.984) for males and females respectively, and those of Landrace were loge W = -2.610 + 9.68 × 10^-5D²- 4.0 × 10^-7D³ + 1.2508 loge D(R² = 0.989) and loge W = 0.14886 + 0.0584 D - 2.72 × 10^-4D² + 4.7 × l0^-7D³(R²=0.988) for males and females. respectively. Those of secondary SPF Large White were W = 7.993 - 0.3428D + 0.01206D² - 3.75 X 10^-5 D³(R²=0.970) and W = 5.0253 - 0.1888D + 0.010291D²- 3.43 × 10^-5D³ (R² = 0.973) for males and females respectively, and W = 1.8349 + 0.007559D² - 2.346 × 10^-5D³(R² = 0.959) and W = 2.7623 + 0.007695D² - 2.56 × 10^-5D³(R² = 0.949) for Landrace males and females respectively. 3. The peak weight spurt of daily gain occured earlier and of lesser magnitude in female Pigs than male Pigs. 4. Average daily gain of secondary SPF pigs(0.684kg) from 21 days old to 154 days old was higher than that of primary pigs(0.618kg) significantly. Average daily gain of males(0.678kg) was also higher than that of females(0.624kg). However, there was not significant average daily gain difference between two breeds, although it was shown that interaction exist between breeds and different SPF types. 5. The peak weight spurts in primary SPF Large White were 1.019kg(occured at 130.0 days of age and 67.l㎏ of live wt.) and 0.824㎏(123.9days, 57.5㎏) for males and females respectively, and those of Landrace were 1.013㎏(132.7days, 72.5㎏) and 0.780㎏(112.4 days, 51.6㎏) for males and females, respectively. Those in secondary SPF pigs were 0.950㎏(107.2 days, 63.6㎏)and 0.840㎏(100.0days, 54.75㎏) for Large White males and females and 0.810㎏(107.3days, 59.86㎏) and 0.771㎏(100.2days, 54.27㎏) for Landrace males and females, respectively.
고유지 옥수수 급여가 육성 비육돈의 도체특성 , 육질 , 돈육의 지방산 조성 및 콜레스테롤 함량에 미치는 영향
정정수,이재준,정영철,강정선,박홍양,김천제 ( C . S . Chung,J . J . Lee,Y . C . Jung,C . S . Kang,H . Y . Park,C . J . Kim ) 한국축산학회 1998 한국축산학회지 Vol.40 No.4
The current study was conducted to determine the effects of high oil com(HOC) on carcass traits and pork quality as well as fatty acid composition, and cholesterol concentrations of loin muscle. Total 104 pigs(Barrow; 52, Gilts; 52) were fed diets containing typical com plus animal fat(control) or high oil corn(HOC) replacing typical corn and animal fat for the final 85 days before slaughter. There were no differences in carcass traits and pork quality between pigs fed HOC diet and control diet. The proportion of polyunsaturated fatty acids of loin muscle and loin fat from pigs fed HOC-diets was higher than that of pigs fed by regular com diet(P$lt;0.05). The cholesterol concentration of loin muscle of HOC-diet pigs tended to be lower than that of the control diet pigs.
임신 제일삼분기 약물 및 진단용 방사선 노출 임신부에서 기형 발생 위험에 관한 근거중심적 상담의 효과
한정열(J . Y . Han),박소연(S . Y . Park),김영미(Y . M . Kim),김진우(J . W . Kim),정상희(S . H . Jung),정영철(Y . C . Chung),최준식(J . S . Choi),안현경(H . K . Ahn),오민정(M . J . Oh),류현미(H . M . Ryu),김문영(M . Y . Kim),궁미경(M . K 대한산부인과학회 2002 Obstetrics & Gynecology Science Vol.45 No.1
Objective : To evaluate the effectiveness of evidence-based teratogenic risk counseling by relevant medical literature concerning pregnant women exposed to medication or diagnostic radiation during the first trimester. Methods : Between January 2001 and April 2001, 67 pregnant women exposed to medication or diagnostic radiation visited our clinic for teratogenic risk counseling. We counseld the teratogenic risk of their fetus by relevant medical literature.Also, We measured the score to terminate pregnancy and the perceptive risk on their fetus with major congenital anomaly using 10cm visual analogue scale. Results : None of them were exposed to any known teratogenic drugs or radiation in any teratogenic doses. Other physicians had already recommended, to about a third of patients, pregnancy termination. Their perceptive estimation on the risk of major congenital malformation in the general population was 4.6±1.1%. The perceptive risk on their fetus with major congenital anomaly decreased from 39.5±3.1% before consultation to 10.8±1.6% thereafter (P<0.05). Also, their score on the visual analogue scale to terminate pregnancy was 6.4±2.7 before consultation and 9.1±1.6 thereafter. Their tendency to terminate pregnancy significantly decreased after consultation (P<0.05). Conclusion : Evidence-based counseling for pregnant women exposed to medication or diagnostic radiation during the first trimester may prevent unnecessary pregnancy terminations as well as reduce anxiety.
김영섭(Y. S. Kim),이병의(B. E. Lee),김근재(K. J. Kim),이연태(Y. T. Lee),조규봉(K. B. Cho),정영철(Y. C. Chung) 大韓藥學會 1998 약학회지 Vol.42 No.4
Platycodon radix is a dried root of Platycodon grandiflorum (P. grandiflorum) A. DC, a perennial grown on the hills and fields in Korea and Japan, or cultivated in various districts. Recently, P. grandiflorum (Changkil) has been successfully cultivated for more than 20 years and generally has been employed as folk remedy for adult diseases such as hyperlipidemia, hypertension and diabetes. We investigated various biological activities of the extracts from Changkil. When treated in vitro with B16-F1 mouse melanoma cell lines, it showed 100% laminin-binding inhibitory activities at the concentration over 0.125mg/ml. In in vivo test it showed 61.5% reduction of the solid tumor weight transplanted in mice and exhibited anticancer activity of 128% ILS against Sarcoma-180 ascites. It also increased the ratio of positive cells of natural killer cells in lymphocytic composition against Sarcoma-18O ascites and solid tumor transplanted in ICR mice when tests were carried out by FACScan method.