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KMID : 1023520150380010061
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Korean Journal of Veterinary Service
2015 Volume.38 No. 1 p.61 ~ p.64
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Clinical characteristics of highly pathogenic avian influenza virus (H5N8) in Jeonbuk province of Korea, 2014
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Jeong Jae-Myong
Kim Chul-Min
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Abstract
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Highly pathogenic avian influenza (HPAI) occurred in the breeder duck farms in Jeonbuk of in Korea on January to February 2014. Clinically, the most ducks showed various signs from depression, dropped egg production and feed consumption to even, death. The most commonly gross changes were hepatomegaly, splenomegaly, petechial and ecchymotic hemorrhage on the liver surface, a white stripe on the cardiac muscle, multifocal hemorrhagic foci in pancreas, and severely hemorrhagic embryos. The most significant signs of H5N8 virus was supposed to specific on ducks. The viral antigen was mainly detected in the endothelium of blood vessels of various organs and tissues, peripheral nerves, and neuronal cells. Based on the above results, we identified that HPAI H5N8 induced systemic infection in the adult breeder ducks.
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KEYWORD
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HPAI, H5N8, Breeder duck, Clinically
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