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Simulation Model-Based Evaluation of a Survey Program with Reference to Risk Analysis
2006
Chang, K.Y. (Animal Health Division, Livestock Bureau, Ministry of Agriculture and Forestry, Gwacheon, Republic of Korea) | Park, S.I. (Kangwon National University, Chuncheon, Republic of Korea), E-mail: paksi@kangwon.ac.kr
A stochastic simulation model incorporated with Reed-Frost approach was derived for evaluating diagnostic performance of a test used for a screening program of an infectious disease. The Reed-Frost model was used to characterize the within-herd spread of the disease using a hypothetical example. Specifically, simulation model was aimed to estimate the number infected animals in an infected herd, in which imperfect serologic tests are performed on samples taken from herds and to illustrate better interpreting survey results at herd-level when uncertainty inevitably exists.
Afficher plus [+] Moins [-]Survey of Ehrlichia canis and Borrelia burgdorferi antibodies in dogs (German shepherd) reared in Korea
2007
Lee, S.E. (Chungnam National University, Daejeon, Republic of Korea) | Song, K.H. (Chungnam National University, Daejeon, Republic of Korea), E-mail: songkh@cnu.ac.kr | Lee, S.H. (Chungnam National University, Daejeon, Republic of Korea)
This study was conducted to survey of Ehrlichia (E.) canis and Borrelia (B.) burgdorferi antibodies among clinically healthy German shepherd dogs (116 females and 120 males) using a ELISA kit (SNAP 3Dx; IDEXX Laboratories, USA) in Korea. Whole blood samples are collected from the 236 dogs and are tested to detect E. canis and B. burgdorferi antibodies by using ELISA kit (SNAP 3Dx; IDEXX Laboratories, USA). Confidence interval comparisions revealed that dogs of 4-6 years have higher prevalence with a seropositive result (CI = 0.17 - 0.45) in E. canis than the other age groups but there are no differences among age groups in B. burgdorferi.
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