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논문 기본 정보

자료유형
학술저널
저자정보
Hyunhee So (Chungbuk National University) Seolryung Jeong (Chungbuk National University) Jongsuk Mo (Chungbuk National University) Kyungchul Min (Chungbuk National University) Jongnyeo Kim (Chungbuk National University) In-Pil Mo (Chungbuk National University)
저널정보
대한수의학회 Korean Journal of Veterinary Research(대한수의학회지) Korean Journal of Veterinary Research(구 대한수의학회지) 제58권 제4호
발행연도
2019.2
수록면
193 - 199 (7page)

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초록· 키워드

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As animal welfare issue becomes important, the European Union bans conventional cages for laying hens from 2012. So the alternative housing systems like floor pens, aviaries or free range systems have been suggested. From 2011 to 2014, we monitored 20 welfare-oriented laying hen farms in South Korea to figure out serological status of major viral diseases. During this period, total 3,219 blood samples were collected from the randomly selected chickens to test and evaluate the hemagglutination inhibition titers for low pathogenic avian influenza, Newcastle disease and egg drop syndrome ’76. A total of 2,926 blood samples were tested through enzyme linked immunosorbent assay (ELISA) to assess the serological status of infectious bronchitis (IB). The distribution of ELISA titers for IB wasvarious from almost 0 to 20,000 through the all weeks of age. Also, the antibody coefficient of variation for most of the diseases in this study was higher than those of typical cage layers. As this study was the first surveillance for major avian viral diseases of the animal welfare-oriented farms in South Korea, the results obtained from this study will help to determine what information and resources are needed to maintain better biosecurity and to improve the health and welfare of laying hen flocks.

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Abstract
Introduction
Materials and Methods
Results
Discussion
References

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