• Title/Summary/Keyword: 국가간 비교연구

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The Situation of Genetic Exchange in Duroc Breed and Impacts on Genetic Evaluation (국내 듀록의 종돈장간의 교류현황과 유전능력평가에 미치는 효과)

  • Seo, Jae-Ho;Shin, Ji-Seob;Noh, Jae-Kwang;Song, Chi-Eun;Do, Chang-Hee
    • Journal of Animal Science and Technology
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    • v.53 no.5
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    • pp.397-408
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    • 2011
  • The study was carried to identify the impact on nation-wide genetic evaluation and to obtain basic materials for the development of strategies in Swine Improvement Network Project (SINP). Data consisted of pedigree records of 235,511 and performance records of 70,747 for Duroc from 1987 to 2010 were collected by Korea Animal Improvement Association. Performance traits included three point back fat thickness (Shoulder, Belly, Waist), loin area, days to 90 kg and average daily gain. Exchange of genetic resources cross the breeding farms was not high, and furthermore the sizable farms which can accommodate genetic evaluation within the farm were scarce. Three data sets (individual farm evaluation: I, two sub-group evaluation: S, and whole eight farm evaluation: P) were used for genetic analysis. Genetic variances were larger in subordinate farms than in joiners farms for connectedness, and consequently the heritabilities were generally higher in subordinate farms than in joiner farms with I. The standard errors of heritability were small in the order of I, S and P. Estimated average inbreeding coefficients were 1.12%, 0.95% and 1.53% for joiner and subordinate group with S and population with P, respectively. The estimated correlations of breeding values with I and P were lowest. The correlations of breeding values with I and P for traits ranged 0.22 to 0.45 for moved parent animals and 0.24 to 0.72 for all animals. The results in the study suggest that nation-wide evaluation uses more pedigree information and improves accuracy. Furthermore SINP for connectedness could help to improve the accuracy of evaluation.

Investigation of Growth and Egg Production Performance of 6 Indigenous Korean Chicken Breeds Enrolled in DAD-IS (DAD-IS에 등재된 한국 토종닭 6품종의 성장 및 산란 능력 조사)

  • Huimang Song;Seungchang Kim;Sang-Rae Cho;Dae-Hyeok Jin
    • Korean Journal of Poultry Science
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    • v.50 no.4
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    • pp.241-249
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    • 2023
  • Following the Animal genetic resource for food and agriculture (AnGR) is considered as an independent resource for the possessing country, ensuring the sovereignty of AnGR is important. The present study investigated the growth and egg production performance of six breed enrolled in DAD-IS for the purpose of securing scientific data on AnGR in Korea. A total of 323 chickens (female 181, male 142) were used in this study, with the following six breeds: Korean Leghorn (LEG), Gyeongbuk Araucana (ARA), Korean native chicken (KNC), Korean Ogye (Ogye), Hyunindak (HIL), Heongseongyakdak (HYD). The body weight of male ARA from hatching to 32 weeks of age was the highest among the breeds, and LEG and Ogye were relatively lower (P<0.0001, excluded body weight data of HYD). The body weight of female ARA was the highest and HYD was significantly the lowest among the female chicken breeds (P<0.0001). The laying percentage was the highest in LEG and was the lowest in HYD among the breeds (P<0.0001). The average egg weight from 20 to 40 weeks of age was the highest in ARA, followed by LEG and was the lowest in Ogye (P<0.0001), and the adapted breed including LEG and ARA was higher than indigenous breed (P<0.05). Egg mass production was the highest in Korean Leghorn. Collectively, these results show that ARA has the best growth ability, and LEG has the best egg production performance among the used breeds. This suggests that the adapted breed with high commercial performance is important AnGR in Korea.

Detection and spread of agricultural drought warning based on news data (뉴스 데이터 기반 농업 가뭄 전조 감지 및 확산 분석)

  • Min-Jin Kim;Won-Ho Nam;Mi-Hye Yang;Ji-Wan Lee;Seong-Joon Kim
    • Proceedings of the Korea Water Resources Association Conference
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    • 2023.05a
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    • pp.339-339
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    • 2023
  • 2018년도 연강수량은 1,386.9 mm로 평년 수준의 비가 내렸으나, 7-8월에 발생한 폭염 및 가뭄으로 인해 강원, 전남, 경북, 충남 지역에서 밭작물 중심으로 22,767 ha 피해가 발생하였다. 2019년도 연강수량은 1,171.9 mm로 평년보다 약 10% 적은 수준의 비가 내렸으며, 동일시기에 인천, 강원, 충남 지역에서 논·밭작물 중심으로 3,112 ha 피해가 발생하였다. 기후변화로 인해 강수량이 지역별로 편중되어 국지적 가뭄이 빈발하여 지역별로 가뭄의 영향, 피해, 체감 정도가 상이한 양상을 보이고 있다. 가뭄을 사전에 방지하기 위해서는 가뭄 모니터링과 선제적 대응이 중요하며, 현재 가뭄의 특징, 상황 등의 목적에 따라 다양한 형태의 가뭄 모니터링 시스템이 개발되고 있다. 가뭄의 피해와 영향 정도는 지역 간의 차이가 나타나 지역별로 가뭄을 체감하는 정도가 다르기 때문에 하나의 결과로 나타내기에는 어려움이 있다. 따라서, 가뭄의 발생 시기와 확산 정도를 분석하여 특보 발효 시점과 가뭄 대응 방안에 대한 기준 마련이 중요하다. 본 연구는 현대 사회에서 가장 중요한 요소로써 활용되고 있는 빅데이터 중 비정형 데이터로 분류되는 뉴스데이터와 논·밭의 가뭄을 나타내는 농업 가뭄과 관련된 데이터를 활용하여 농업 가뭄의 전조를 파악해보고자 한다. 2018년부터 2019년까지 전국을 대상으로 농업 가뭄에 관한 키워드 선정 후, 웹 크롤링을 통해 뉴스데이터를 수집해 논 가뭄과 밭 가뭄을 구별하여 각 지역에서 최초로 가뭄 기사가 발행된 시기와 지역별 기사의 빈도를 산출하였다. 뉴스데이터의 농업 가뭄 전조 감지 가능성을 파악하기 위해 국가가뭄정보통계집에서 논 물마름 시기와 밭 시듦 시기 자료를 활용하였다. 가뭄 피해 발생시기와 관련 기사 발행 시기 비교, 농업용수 대상 비상용수 지원 자료를 활용하여 실제 농업 가뭄확산 감지 여부를 분석하여 농업 가뭄 관련 뉴스데이터 간의 상관성을 분석하였다.

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Evaluating and Categorizing Brand Assets of Full-Service Carriers and Low-Cost Carriers (대형항공사와 저비용항공사의 브랜드 자산 평가와 유형화)

  • Jeong, Seung-Hwa
    • The Journal of the Korea Contents Association
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    • v.21 no.8
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    • pp.442-454
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    • 2021
  • Many domestic and international airlines that experienced dramatic recession due to COVID-19 pandemic are carefully being ready to normalise operations as a number of governments has begun to vaccinate for COVID-19. So with the same market share from domestic to short distant international services, the competition between Full Service Carriers (FSC) and low cost carriers (LCC) is anticipated to be more intensive. To explore the concepts such as the perception, value, attitude and faith of the object, this study implements Q methodology proposed to complement the limitations of quantitative and qualitative research methodology. As a result, the consumers of airlines' brand are divided into three types - the type of utility seeking, value-oriented and task-related. Using Q samples which consist of 25 statements, this study specifically approached the traits of each type by observing the subjectivity with the comparative P sample group that is made up for 20 participants. By discovering the type of FSC and LCC's brand asset and comparing the recognition of consumers, not only does this study evoke the need for a strategic direction of the effective management of Airlines' Brand asset but also have a signification in the way that especially provide hypotheses for follow up studies.

The Comparison of Results Among Hepatitis B Test Reagents Using National Standard Substance (국가 표준물질을 이용한 B형 간염 검사 시약 간의 결과 비교)

  • Lee, Young-Ji;Sim, Seong-Jae;Back, Song-Ran;Seo, Mee-Hye;Yoo, Seon-Hee;Cho, Shee-Man
    • The Korean Journal of Nuclear Medicine Technology
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    • v.14 no.2
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    • pp.203-207
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    • 2010
  • Purpose: Hepatitis B is infection caused by Hepatitis B virus (HBV). Currently, there are several methods, Kits and equipments for conducting Hepatitis B test. Due to ununiformed methods, it would cause some differences. To manage these differences, it needs process evaluating function of test system and reagent using particular standard substance. The aim of this study is to investigate tendency of RIA method's reagent used in Asan Medical Center through comparing several other test reagents using national standard substance. Materials and Methods: The standard substance in National Institute of Food and Drug Safety Evaluation's biology medicine consists of 5 things, 4 antigens and 1 antibody. We tested reagents using A, B company's Kits according to each test method. All tests are measured repeatedly to obtain accurate results. Results: Test result of "HBs Ag Mixed titer Performance panel" is obtained match rate compared S/CO unit standard with RIA method and EIA 3 reagents, CIA 2 reagents is that company A's reagent is 94.4% (17/18), 83.3% (15/18), B is 88.9% (16/18), 77.8% (14/18). Test result of "HBs Ag Low titer Performance panel" is obtain that EIA 2 reagents is shown 7 posive results, CIA 3 reagents is 11, and RIA method's company A's reagent is 3, B is 2 of 13 in low panel. "HBV surface antigen 86.76 IU/vial" tested dilution. A is obtain positive results to 600 times(0.14 IU/mL), B is 300 times (0.29 IU/mL). Case of "HBV human immunoglobulin 95.45 IU/vial", A is shown positive result to 10,000 times (9.5 mIU/mL) and B is 4,000 times (24 mIU/mL). Test result of "HBs Ag Working Standards 0.02~11.52 IU/mL" is shown that Company A's kit concentration level was 0.38IU/mL, company B was 2.23 IU/mL and higher level of concentration was positive results. Conclusion: When comparing various test reagents and RIA method according to National Standard substances for Hepatitis B test, we recognized that there were no significant trends between reagents. For hepatitis B virus antigen-antibody titers even in parts of the test up to 600 times the antigen, antibodies to 10,000 times the maximum positive results could be obtained. Therefore, we confirmed that results from Asan Medical Center are performed smoothly by reagents and system for hepatitis B virus test.

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Study on the Relationships Among Perceived Shopping Values, Brand Equity, and Store Loyalty of Korean and Chinese Consumers: A Case of Large Discount Store (한국과 중국 소비자의 쇼핑 경험가치 지각과 브랜드자산 및 점포충성도의 관계에 관한 비교 연구: 대형 할인점을 중심으로)

  • Hwang, Soonho;Oh, Jongchul;Yoon, Sungjoon
    • Asia Marketing Journal
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    • v.14 no.2
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    • pp.209-237
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    • 2012
  • 1. Research Purpose Consumers rely on various clues to evaluate their decision to patronize a retail store, and store brand is one of them (Dodds 1991; Grewal et al. 1998). As consumers find ever increasing variety of contact points connecting them to specific store, the value of experiential shopping as a means of increasing store's brand equity warrants greater attention from scholars of retail management. Retail shopping values are credited for creating not only cognitive experiences like brand knowledge but also emotional experiences such as shopping pleasure and pride (Schmitt 1999). This may be because today's consumers place emphasis on emotional values associated with shopping pleasure, lifestyle brought to life, brand relationship, and store atmosphere more than utilitarian values such as product quality and price. Many previous literature found this to be true (Ahn and Lee 2011; Mathwick et al. 2001). This brings forth important research issues and questions regarding the roles of shopping experiential values and brand equity with regard to consumer's retail patronage choice. However, despite this importance, research on this area remains quite inadequate (Hwang 2010). For this reason, this study aims to verify the relationships among experiential shopping values, retail store brand equity and tries to link that with customer loyalty by surveying large-scale discount store shoppers in Korea and China. 2. Research Contents In order to carry out the research objective, this study conducted comprehensive literature survey on previous literature by discussing major findings and implications with regard to shopping values and retail brand equity and store loyalty. For data collection, researcher employed survey-based research method where data were collected in two major cities of Korea (Seoul) and China (Bejing) and sampling frame was based on patrons of large discount stores in both countries. Specific research questions raised in this study are as follows; RQ1: How do Korean and Chinese consumers differently perceive of shopping values regarding shopping at large-sclae discount stores? RQ2: Are there differences in consumers' emotional consumption propensities? RQ3: Do Korean and Chinese consumers display different perceptions of brand equity towards large-scale discount stores? RQ4: Are there differences in relationships between shopping values and brand equity for Korean and Chinese consumers? For statistical analysis, SPSS17.0, AMOS17.0 and SmartPLS were employed. 3. Research Results The data collected through face-to-face survey conducted in Seoul and Bejing revealed appropriate data validity and reliability as a result of exploratory/confirmatory factor analysis and reliability tests, andh SEM model yielding satisfactory model fitness. The result of the study may be summarized by three main points. First, as a result of testing differences in consumption dispositions, Chinese consumers showed higher scores in aesthetic and symbolic dispositions, whereas Korean consumers scored higher in hedonic disposition. Second, testing on perceptions toward brand equity of large discount stores showed that Korean consumers exhibited more positive perceptions of brand awareness and brand image than Chinese counterparts. Third, the result of exploratory factor analysis on the experiential shopping values revealed different factors for each country. On Korean side, consumer interest value, aesthetic value, and hedonic value were prominent, whereas on Chinese side, hedonic value, aesthetic value, consumer interest value, and service excellence value were found salient. 4. Research Implications While many previous studies on inter-country differences in retailing area mainly focused on cultural dispositions or orientations to explain the differences, this study sets itself apart by specifically targeting individual consumer's shopping values from an experiential viewpoint. The study result provides important theoretical as well as practical implications for large-scale discount store, especially the impotance of fully exploring the linkage between shopping values and brand equity, which has significant influence on loyalty. Therefore, the specific implications deriving from the result shed some important insights upon the consumption values based on shopping experiences and brand equity. The differences found in store shoppers between the two countries may also provide useful insights for Korean and Chinese retailers who plan to expand their operations globally. Related strategic implications derived from this study is the importance of localizing retail strategy which is based on the differences found in experiential shopping values between the two country groups. Especially the finding that Chinese consumers value consumer interest and service excellence, whereas Koreans place importance on hedonic or aesthetic values indicates the need to differentiate the consumer's psychographical profiles when it comes to expanding retail operations globally. Particularly important will be to pursue price-orienated strategy in China in consideration of the high emphasis on consumer interests and service excellence, but to emphasize the symbolic aspects of brand equity in Korea by maximizing the brand equity associated with aesthetic values and hedonic orientations. 5. Recommendations This study focused on generic retail branded discount stores in both countries, thus making it difficult to tease out store-specific strategies based on specific retail brands. Future studies may benefit fro employing actual brand names in survey questionnaire to verify relationship between shopping values and brand-based store strategy. As with other studies of this nature, this study needs to strengthen the result's generalizability by selecting respondents from a wider spectrum of respondents.

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An Analysis on the Trade Effect of FTA using Intensity of Trade (무역결합도를 활용한 FTA 효과 분석)

  • Jeong, Jae-Hwa
    • International Commerce and Information Review
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    • v.14 no.1
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    • pp.141-170
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    • 2012
  • There are a couple of methods to analyze the trade effect of FTA. Some compare bilateral trade amounts, partner's share in total export, or market share in partner's total import. Others set up partial equilibrium models or general equilibrium models for more sophisticated analyses. The purpose of this paper is to analyze bilateral trade between Korea and Chile, Singapore, Switzerland and Norway using the Intensity of Trade and Special Country Bias. The Trade Intensity Analysis focuses on how much the real trade diverges from the expected one which is derived by the Gravity Model, and it enable us to define how much the bilateral trade is closely related with each other compared with the rest of the world. Also by excluding the effects of changes in Trade Complementarity, it enables us to evaluate the trade effect of FTA. The results show that regarding Korea's export, the biggest trade effects are found with Norway, and the effects are evading after a couple of years of outstanding accomplishment with Chile and Singapore. With Switzerland, however, almost no effect is found. Regarding Korea's import, Norway has recorded the biggest advance into Korean market, whereas, other countries do not show significant changes.

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Subnational Population Projections of Korea Based on Interregional Migration Forecasting: A Multiregional Cohort-Component Method (지역간 인구이동의 예측을 통한 우리나라 시도별 장래 인구 추계: 다지역 코호트-요인법의 적용)

  • Lee, Sang-Il;Cho, Dae-Heon
    • Journal of the Korean Geographical Society
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    • v.47 no.1
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    • pp.98-120
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    • 2012
  • The main objective of this study is to conduct subnational population projections of Korea based on a multiregional cohort-component method. This objective is accomplished by: (i) establishing a viable framework to implement the multiregional cohort-component method with reference to the Markov chain model and Rogers' multiregional population projection model; (ii) applying the established framework to subnational population projections of Korea, 2005~2030. The main results are twofold. First, the proposed method turns out to be highly valid in a methodological sense, which is seen from a high level of coincidence between the estimated and the observed. Second, the projection results turn out to be highly useful in the sense that interregional migration flow matrices are resulted for projection periods. The projected migration flows are expected to provide invaluable information for an understanding of future population change and for a formulation of policy alternatives. This study is strongly inspired by the multiregional perspective emphasizing the evolution of multiple regional populations interconnected by interregional migration flows rather than the overall national change.

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The Northeast Asian Rim:A geopolitical perspective (지정학적 관점에서 본 동북아권)

  • Yu, Woo-ik
    • Journal of the Korean Geographical Society
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    • v.28 no.4
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    • pp.312-320
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    • 1993
  • Along with the fade out of the Cold War the world is undergoing a fundamental restructuring. The process is generally refered to regionalization and globalization. In this context, the Paper presents a geopolitical perspective on the future of Northeast Asia. To meet the global trend, it is expected that the countries in the area organize an economically cooperative unity, the concept of which the author calls the northeast Asian Rim (NEAR). With its huge potentials to become the largest economic area in the world and with its rather complicated historical and social background, the Rim is tentatively supposed to have a loose and soft organization, to be flexible in dealing with the intra-and interregional relations. The idea underlying the view is that the former area of confrontation between the land power and the sea power is, under the new world environment, going to recover its proper locational attributes and develop into a merging area, a new core. As a physical framework of the Rim a spatial structurc is assumed to consist of two-subrims and two development axes with four development centers.

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A strategic Approach for Establishing Korea's Cyber Terrorism Policy : Focusing on the UK's cyber terrorism policy (국내 사이버테러 정책수립을 위한 전략적 접근방안 : 영국의 사이버테러 정책을 중심으로)

  • Kim, Byung-Hwa
    • Korean Security Journal
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    • no.51
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    • pp.173-195
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    • 2017
  • Recently, in South Korea, security management has been strengthened, but there have been an increasing number of cases where the main infrastructure of the country is hacked in the cyber space. South Korea is equipped with sophisticated information and communication technologies, such as Internet, but is threatened by cyber terrorism of North Korea and terrorist organizations. Nevertheless, there is a limit to how to develop a policy and strategic plan for the country, which is related to domestic terrorism and lacks legal and regulatory facilities, and therefore, in this study, proposed suggestions for building adaptive and efficient policy formulation. Based on the theoretical analysis framework of the Strategic Plan for achieving the objectives of the research, we compared the UK 's security strategy with the national security policy of the domestic government. As a result, several problems were derived: First, the domestic security strategy did not take into account the external environment. Secondly, lack of coordination with domestic cyber security goals setting and strategy is causing ambiguity and confusion. Third, the detailed plan of implementation of national security in each province is designed to ensure that there is a possibility that a mixed side effect between ministries and agencies will arise. Fourth, it was found that there was a limit to prepare the evaluation standards for the evaluation and return of domestic security policies in the country. Therefore, in order to establish a policy for the response of domestic cyber terrorism, we set up a vision from long-term perspectives and concrete targets based on the strategic approach of the security policy, It is necessary to present an assignment and formulate an efficient execution plan. It is necessary to maintain and improve the domestic safeguards in order to be able to complement the problems through evaluation and feedback.

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