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돼지 수정란 이식에 관한 연구 1 . 발정동기화 및 과배란유기
손동수(D . S . Son),이광원(K . W . Lee),최진성(J . S . Choi),김경남(K . N . Kim),강만석(M . S . Kang),지설하(S . H . Chee),박창식(C . S . Park) 한국축산학회 1987 한국축산학회지 Vol.29 No.12
This study was carried out to investigate the effect of synchronization of estrus and induction of superovulation after administration of altrenogest, PMSG and HCG in the multiparous sows weaned at 50-56 days. A total of 100% of the treated sows exhibited estrus within a four-day period. The average number of ovulation points per sow among superovulated breeds such as Landrace, Large White, Duroc and Hampshire was between 17.6 and 24.0.
Active MA조건이 치콘 저장성과 절단면 갈변에 미치는 영향
정현진 ( H. J. Jung ),최인이 ( I. L. Choi ),손진성 ( J. S. Son ),서현택 ( H. T. Seo ),원재희 ( J. H. Won ),강호민 ( H. M. Kang ) 강원대학교 농업생명과학연구원(구 농업과학연구소) 2012 강원 농업생명환경연구 Vol.24 No.1
본 실험은 active와 passive MA 조건이 치콘의 저장성 과 절단면 갈변에 미치는 영향을 알아보고자 실시하였다. Active MA 조건은 저장중 생체중 감소를 억제하였으며, 그 감소폭은 0.2% 미만이었다. 저장중 포장내 이산화탄소와 산소 농도는 active MA 0:50:50 (CO2:O2:N2) 조건에서 가장 큰 변화를 보였다. 에틸렌 농도도 passive MA처리구보다 active MA조건에서 높았으며, 10:10:80 (CO2:O2:N2) 조건에서 가장 높았는데, 그 농도는 0.6 ppm 미만 이었다. 저장중 외관상 품질은 passive MA 보다 active MA조건에서 높게 유지되었는데, active MA 처리구간에 통계적으로 유의성 있는 차이는 없었다. Active MA 조건은 10℃ 저장중 치콘 절단면의 갈변 방지에도 유의성 있는 효과를 보였는데, 이는 active MA 조건의 고농도 이산화탄소가 원인인 것으로 판단되었다. This experiment was carried out to find the effects of packages with chicon in active and passive MA (Modified Atmosphere) conditions preventing for browning on the cutting plane and their storability during storage. The active MA condition suppressed the loss of fresh weight of chicon with less than 0.2% to that of control or passive MA condition. The carbon dioxide and oxygen contents in packages have beed particularly shown as highest values in active MA 0:50:50 (CO2:O2:N2). The content of ethylene was also shown higher in active MA (CO2:O2:N2=10:10:80) than passive MA condition at less than 0.6ppm. The quality of chicon maintained by both conditions seems to be shown better in active MA than passive MA condition, but there was no significant difference among the trials in active MA treatments. Furthermore, the active MA condition has significantly prevented the browning on the cutting plane of chicon at the storage temperature of 10℃. We consider these helpful effects of active MA condition to be a carbon dioxide rather than oxygen and nitrogen.
저온 층적처리가 칠레 자생 Alstroemeria 속 식물 종자의 발아율에 미치는 영향
최인이 ( I L Choi ),이경수 ( K S Lee ),백준필 ( J P Baek ),손진성 ( J S Son ),최경 ( K Choi ),이동준 ( D J Lee ),박광우 ( K W Park ),홍순관 ( S K Hong ),강호민 ( H M Kang ) 강원대학교 농업생명과학연구원(구 농업과학연구소) 2013 강원 농업생명환경연구 Vol.25 No.1
칠레산 Alstroemeria 속 식물 종자에 저온층적처리로 인해 종자 휴면 타파하여 발아율에 미치는 영향을 알아보기 위해 이 실험을 수행하였다. 칠레산 Alstroemeria 속 식물은 나자은 발아율과 발아의 균일도가 떨어지는데, 층적처리는 많은 야생화에서 발아율과 균일도를 향상시킨다고 알려져 있다. 총 14종의 칠레산 Alstroemeria 속 식물 종자를 4±1℃에서 각각 20일과 40일 저장한 후 상온(20℃)에서 30일간 발아율, T50과 T75- T25을 조사하였다. 무처리구에서는 Alstroemeria philippii와 Alstroemeria wedermaniii var. flavicans이 각각 2%와 0.6%의 최종 발아율 (G30)를 보였을 뿐, 나머지 12종 모두 발아하지 않았다. 저온층적 처리는 총 7종에서 발아 촉진 효과를 보였는데, 20일 저온층적처리구(CS20)은 Alstroemeria magnif. var. magnif만이 5%의 G30을 보였으며, Alstroemeria diluta chrysantha, Alstroemeria exerens, Alstroemeria niagnif. var. tofoensis, Alstroemeria wedermaniii var. flavicans의 4종은 40일 저온층적처리구(GS40)에서 5%, Alstroemeria ligtu incarnata 는 10%의 G30을 나타내었다. 무처리구에서 2%의 발아율을 보인 Alstroemeria philippii는 CS20에서는 15%, CS40에서는 20%의 G30을 나타냈다. 이들을 제외한 나머지 7종의 Alstroemeria aurea var. red, Alstroemeria aurea color type orange, Alstroemeria presliana, Alstroemeria pulchra, Alstroemeria umbellata, Alstroemeria shizanthoides와 Alstroemeria leporina는 치상 후 30일 동안 발아하지 않아 저온층적처리에 대한 효과는 없었다. 저온층적처리로 눈에 띄는 발아율 향상을 가져온 Alstroemeria philippii의 T50은 CS20에서 무처리구의 17.5%로 낮아 높은 발아세를 보였으며, T75- T25은 20%의 발아율을 보인 CS40에서 보처리구의 30.3%를 보여 높은 발아 균일도를 보였다. 이를 종합해 보면 칠레산 Alstroemeria 속 식물 종자의 저온층적 처리에 의한 발아 촉진 효과는 일부 종에서만 인정되었으며, 보다 높은 발아율과 균일도를 위해서는 다양한 온도처리가 필요할 것으로 판단된다. The effects of cold stratification on the germination of Chilean Alstroemeria species were studied. Chilean Alstroemeria species showed low germination rate and lacked germination uniformity without any treatments. A cold stratification treatment was known to improve the germination rate and uniformity of many wildflower species. In this studies, 14 species of Chilean Alstroemeria seeds were treated cold stratifications that stored at 4 ± 1℃ for 20 days (CS20) and 40 days (CS40). Total germination rate after 30 days (G30), days to 50% germination (T50), and number of days between 25% and 75% final germination (T75-25) were calculated for each treatment. In non-treated seeds, Alstroemeria philippii and Alstroemeria wedermaniii var. flavican showed only 2% and 0.6% of G30, respectively, whereas the others did not germinated. A G30 was most significantly improved up to 5% by CS40 in 4 species; Alstroemeria diluta chrysantha, Alstroemeria exerens, Alstroemeria magnif. var. tofoensis, Alstroemeria wedermaniii var. flavicans. And Alstroemeria ligtu incarnate increased the G30 up to 10% by CS40. However the G30 of Alstroemeria magnif var. magnif was increased to 5% by CS20. Alstroemeria philippii that showed only 2% of G30 in non-treatment was increased G30 remarkably in CS20 and CS40 treatment up to 15% and 20%, respectively. But the cold stratification treatments did not show any improved effect on G30 in the other species that were Alstroemeria aurea var. red, Alstroemeria aurea color type orange, Alstroemeria presliana, Alstroemeria pulchra, Alstroemeria umbellata, Alstroemeria shizanthoides and Alstroemeria leporine. In Alstroemeria philippii that showed remarkable improved effect on G30, the germination speed increased by CS20 that was 17.5% of T50 compared with non-treated seeds and CS40 enhanced the germination uniformity because T75-25 of CS40 was just 30.0% of non-treated seeds. Therefore, the cold stratification showed partly improved effect on the germination of Chilean Alstroemeria species, and so various temperature treatments should be carried out for improving the germination rate and germination uniformity.
최인이 ( I. L. Choi ),이경수 ( K. S. Lee ),양은미 ( E. M. Yang ),손진성 ( J. S. Son ),최경 ( K. Choi ),이동준 ( D. J. Lee ),박광우 ( K. W. Park ),강호민 ( H. M. Kang ) 강원대학교 농업생명과학연구원(구 농업과학연구소) 2011 강원 농업생명환경연구 Vol.23 No.4
This study was carried out to investigate the effects of soil moisture percentage on dry basis (25%, 125%, and 200%) and shading conditions (0%, 55%, and 75%) on the growth of nine species of Chilean wild flower plant. The Rhodophiala montana, Schizabthus candidus and Schizanthus intergrifolius species showed a significant growth disturbance within 4weeks in all conditions. In addition, Nolana reichei and Rhodophiala ananuca species reduced plant height in all soil moisture percentages and shading conditions. The 25% soil moisture percentages showed better growth characteristics than other soil moisture percentages. Chilean wild flower plants grew in the 75% shading condition showed higher plant height than other shading condition.
5ml 스트로에 보존한 돼지 액상정액의 생존성과 수정능력에 관한 연구
정행기(H . K . Chung),김학규(H . K . Kim),고문석(M . S . Ko),김인철(I . C . Kim),최진성(J . S . Choi),이광원(K . W . Lee),손동수(D . S . Son),김현(H . Kim),지설하(S . H . Chee),박창식(C . S . Park) 한국축산학회 1989 한국축산학회지 Vol.31 No.3
This experiment was carried out to test the efficiency of BF5 diluent in improving the length of maintenance of the fertilizing capacity of liquid boar semen in 5ml maxi-straw. The sperm-rich fraction of each ejaculate was slowly cooled to room temperature by 2 h after collection. Semen was diluted with BF5 diluent to provide about 20 x 10` sperm/ml. Semen was cooled in a waterbath to 51℃ over a 2-h period and BF5(+2 % glycerol) diluent was added to cooled semen(1:1). Straws were imm ediately filled with 5ml of semen and steel or glass balls were used to seal the ends of the straws. The straws were horizontally placed on a metal rack and stored at 51c in a refrigerator. At insemination the straw was rediluted with 75ml BTS diluent. The BF5 diluent maintained boar sperm fertilizing capacity for 9 days of in vitro storage. Conception rate, farrowing rate and number of pigs born alive per litter of diluted semen stored at 51℃ for 9 days were 70%, 50% and 9.6, respectively.