Pathogenicity of clade 2.3.4.4 H5N6 highly pathogenic avian influenza virus in three chicken breeds from South Korea in 2016/2017

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J Vet Sci. 2019 May;20(3):e27. doi: 10.4142/jvs.2019.20.e27.
[h=1]Pathogenicity of clade 2.3.4.4 H5N6 highly pathogenic avian influenza virus in three chicken breeds from South Korea in 2016/2017.[/h] Park SC[SUP]1[/SUP], Song BM[SUP]2[/SUP], Lee YN[SUP]2[/SUP], Lee EK[SUP]2[/SUP], Heo GB[SUP]2[/SUP], Kye SJ[SUP]2[/SUP], Lee KH[SUP]2[/SUP], Bae YC[SUP]2[/SUP], Lee YJ[SUP]3[/SUP], Kim B[SUP]4[/SUP].
[h=3]Author information[/h]

[h=3]Abstract[/h] In 2016, novel H5N6 highly pathogenic avian influenza virus emerged in Korea. During the outbreak, the virus caused the largest culling, especially in brown chicken lines. We determined the pathogenicity and transmissibility of the virus in 2 white chicken lines of the specific pathogen-free chickens, broilers and brown chicken line of Korean native chicken (KNC). A KNC had a longer virus shedding period and longer mean death time than others. Our study showed that this characteristic in the KNC might have contributed to a farm-to-farm transmission of the brown chicken farms.
? 2019 The Korean Society of Veterinary Science.


[h=4]KEYWORDS:[/h] Chicken; H5N6; highly pathogenic avian influenza; pathogenicity

PMID: 31161745 DOI: 10.4142/jvs.2019.20.e27
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