• 제목/요약/키워드: Korean foot-and-mouth-disease

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2010/2011년도 한국 발생 구제역 확산에 관한 연구 (A study on the spread of the foot-and-mouth disease in Korea in 2010/2011)

  • 황지현;오창혁
    • Journal of the Korean Data and Information Science Society
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    • 제25권2호
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    • pp.271-280
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    • 2014
  • 구제역은 전염성이 높고 치명적 결과를 유발하는 우제류 전염병이며, 2010/2011년도에 국내에서 발생한 구제역 (2010/2011 구제역)은 사회 및 경제적으로 국가에 재난 수준의 손실을 끼쳤다. 따라서 국가적 차원에서 구제역의 예방과, 발병 시 피해를 줄이려는 많은 노력을 하고 있다. 이러한 노력의 하나로 구제역의 전염 현상을 확률적으로 모형화하고 이해하려는 노력이 필요하다. 영국에서 발생한 2001년 구제역은 그 규모와 피해가 막대하여, 영국에서는 다양한 확률적 모형으로 구제역 전파 현상에 대한 이해를 통하여 미래의 발생에 대비하려는 연구가 이루어져 왔다. 그러나 2010/2011 구제역에 대하여는 확률적 모형을 활용한 연구가 미미한 편이다. 따라서 본 연구에서는 2010/2011 구제역에 대하여 시간-공간 확률 SIR 확률모형을 가정하고 시간과 공간에 따르는 전파 현상에 대하여 고찰한다. 농림수산검역검사본부에서 발표한 구제역 감염데이터와 통계청의 전국농가센서스 자료의 일부인 전체 우제류 농가의 데이터가 본 연구의 분석에 필요한 정도로 상세하지 않으므로 추정 및 보정작업을 통하여 데이터를 보완하였다. 감염데이터를 이용하여 커널함수를 추정하고, 전국 우제류 농장데이터를 이용하여 시뮬레이션을 통하여 모형의 모수를 추정하였다.

국내 발생 구제역 바이러스(foot-and-mouth disease virus)의 특성과 전파력에 관한 연구 (In vivo characterization and transmission of Korean foot-and-mouth disease virus(FMDV))

  • 서정향;신진호;;;구복경;최강석;권병준;손현주;고영준;최정업;권창희;김종염;안수환;김기석;문운경;김재훈;최상호;이홍길;황의경;김순복;강신석;김옥경
    • 대한수의학회지
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    • 제40권4호
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    • pp.719-727
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    • 2000
  • A study was conducted to determine the susceptibility of swine to Korean foot-and-mouth disease virus (FMDV; subtype O, isolated from Chungju province) in April, 2ooo. One holstein cow was inoculated intradermolingually with suspension of homogenized tissue from a Korean native cow naturally infected with Korean FMDY. Infected cow was housed with one susceptible cow and one susceptible pig (contact sentinels). Four additional susceptible pigs were housed in the same room but caged separately (non-contacted sentinels). The contacted pig and cow as well as non-contact pigs developed typical clinical signs after 2, 3, and 7 days post exposure, respectively. We compared neutralizing antibody from the animals to FMDV $O_1$ Lombardy, O Taiwan, $O_1$ Campos, and $O_1$ Manisa after 0, 4, 7, 10, 14, 21, 28 days post challenge and post-exposure. The highest viral neutralization titer could be interpreted that serotype O Korea (Chungju isolate) is antigenically more related to $O_1$ Manisa. In addition, immunohistochemistry was used to further characterize Korean FMDV from tissues of infected pigs. Korean FMDV antigen was observed in the tongue, hoof, esophagus, and tonsil tissues of sentinel pigs. These findings suggest that Korean FMD virus isolated from cattle can be rapidly transmitted to pigs both directly and indirectly contrast field observation in which only cattle were clinically ill.

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Exploring preventive factors against insufficient antibody positivity rate for foot-and-mouth disease in pig farms in South Korea: a preliminary ecological study

  • Dongwoon Han;Byeongwoo Ahn;Kyung-Duk Min
    • Journal of Veterinary Science
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    • 제25권1호
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    • pp.13.1-13.9
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    • 2024
  • Background: Foot-and-mouth disease (FMD) is a highly contagious viral disease in livestock that has tremendous economic impact nationally. After multiple FMD outbreaks, the South Korean government implemented a vaccination policy for efficient disease control. However, during active surveillance by quarantine authorities, pig farms have reported an insufficient antibody positivity rate to FMD. Objective: In this study, the spatial and temporal trends of insufficiency among pig farms were analyzed, and the effect of the number of government veterinary officers was explored as a potential preventive factor. Methods: Various data were acquired, including national-level surveillance data for antibody insufficiency from the Korea Animal Health Integrated System, the number of veterinary officers, and the number of local pig farms. Temporal and geographical descriptive analyses were conducted to overview spatial and temporal trends. Additionally, logistic regression models were employed to investigate the association between the number of officers per pig farm with antibody insufficiency. Spatial cluster analysis was conducted to detect spatial clusters. Results: The results showed that the incidence of insufficiency tended to decrease in recent years (odds ratio [OR], 0.803; 95% confidence interval [95% CIs], 0.721-0.893), and regions with a higher density of governmental veterinary officers (OR, 0.942; 95% CIs, 0.918-0.965) were associated with a lower incidence. Conclusions: This study implies that previously conducted national interventions would be effective, and the quality of government-provided veterinary care could play an important role in addressing the insufficient positivity rate of antibodies.

Effects of dietary acetaminophen and vitamin C supplement on serum cortisol and tumor necrosis factor-alpha concentrations in pigs vaccinated with foot-and-mouth disease vaccine

  • Cha, Chun-Nam;Lee, Beom-Jun;Park, Eun-Kee;Yoo, Chang-Yeol;Kim, Suk;Lee, Hu-Jang
    • 대한수의학회지
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    • 제57권3호
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    • pp.197-200
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    • 2017
  • This study evaluated the effect of a combination of acetaminophen and vitamin C (CAV) on reducing serum cortisol and tumor necrosis $factor-{\alpha}$ ($TNF-{\alpha}$) concentrations in piglets vaccinated with foot-and-mouth disease (FMD) vaccine. Piglets were vaccinated with FMD vaccine and treated with CAV at concentrations of 0.0, 0.5, 1.0, and 2.0 kg/ton feed (P-CON, AD-1, AD-2, and AD-3, groups, respectively) for 5 days post-vaccination. Cortisol and $TNF-{\alpha}$ levels at 5 days post-treatment in the AD-1-3 groups were significantly lower than that in the P-CON group (p < 0.05). There were no significant differences between AD-2 and AD-3 groups and non-vaccinated, non-CAV-treated piglets.

구제역 매몰지에 대한 기술 및 정책적 대응 방안 (Technology and Policy Measures for Landfill Sites of Foot-and-Mouth Disease in Korea)

  • 고창룡;설성수
    • 기술혁신학회지
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    • 제16권4호
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    • pp.978-1005
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    • 2013
  • 구제역은 급성 가축전염병으로 대규모 경제적 피해를 유발하므로 발생초기부터 확산방지와 소멸을 위해 범국가적으로 대응한다. 2010-11년 발생 시에는 347만여 두가 살처분되어 4,500여개의 가축매몰지가 조성되었고 가축전염병예방법에 의거 3년간 발굴이 금지되어 있다. 그러나 2013년 12월부터 발굴금지가 해제되는데 현장의 문제에 대응할 수 있는 정책은 없다. 따라서 본 연구는 현장의 문제를 기술 및 정책으로 대응하는 방향에 대하여 논한다. 이를 위해 현장 요구기술의 유형을 분류하고, 각 유형에 대응할 수 있는 기술여부를 검토하기 위해 국내 특허를 분석하였다. 국내 특허는 총 69건이었지만 현장을 위한 활용성은 높지 않거나 거의 없었다. 특허분석은 국내 특허에만 국한하였지만, 한국형 매몰과 살처분은 세계에서 유일한 것이기에 국내 특허분석에만 국한한 것이다. 또한 세계에서 유일한 상황이었다는 점에서 본 연구에서의 관련 기술분류, 나아가 필요기술별 기술적인 대안 검토는 세계 최초라 할 수 있다. 결론부분에서는 본 연구를 바탕으로 관련 법률과 사후관리 정책의 보완을 제안한다.

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Conditions for the disinfectant efficacy test under subzero temperatures

  • Chae, Won-Seok;Jeong, Wooseog;Lee, Hu-Jang
    • 대한수의학회지
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    • 제59권1호
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    • pp.43-45
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    • 2019
  • To establish appropriate conditions for a disinfectant efficacy test at subzero temperatures, this study examined mixtures of frozen foot-and-mouth disease virus or avian influenza virus solutions and disinfectant diluents at $-5^{\circ}C$ and monitored temperature and freezing status of an anti-freezing diluent (AFD, 15% ethanol + 30% propylene glycol + 55% distilled water) over time at various subzero temperatures. Viral solutions and disinfectant diluents froze before the mixtures reached $-5^{\circ}C$, whereas the AFD was not frozen at $-30^{\circ}C$. The times taken for the AFD to reach -10, -20, -30, and $-40^{\circ}C$ from room temperature were 36, 39, 45, and 48 min, respectively.

가축매몰지 환경관리에 있어 차단방역의 필요 및 절차 (Needs of Biosecurity and Protocols for the Environmental Management of Carcasses Burial)

  • 조호성;김건하
    • 한국물환경학회지
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    • 제28권2호
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    • pp.305-312
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    • 2012
  • Avian influenza (AI) and foot and mouth disease (FMD) are two main contagious pathogenic viruses causing massive mortality burial, as burial is a primary measure to quaranteen the causative viruse(s). Biosecurity is a set of preventive measures designed to reduce the risk of propagation of infectious diseases. Main objectives of this paper were to discuss the needs of biosecurity and develop protocol outlines for environmental management of burial sites. Pathological characteristics of contagious viruses should be considered during environmental management practices. Current practice prescribes to minimize the potential for on-farm pollution and the spread of infectious diseases, policy makers should understand robust knowledge regarding biosecurity to make informed decisions on future legislation.