HPAI Kills More Layers in Taiwan
TAIWAN - The Taiwanese veterinary authorities have reported further cases of highly pathogenic avian influenza in Chang-Hua.
20 March 2012
2 minute read
The World Organisation for Animal Health (OIE) received Follow-up Report No. 2 yesterday, 19 March.
A total of 8647 layers were found susceptible, out of which 426 cases were reported. The affected birds were found dead. 8221 birds were destroyed.
Clinical cases were notified by the veterinary and an abnormal mortality rate was noticed. The local disease control center (LDCC) conducted movement restrictions, clinical inspection, epidemiological investigation and sampling on the index layer farm.
The results of RT-PCR test, HA0 cleavage site sequencing and pathogenicity test demonstrated H5N2 subtype of HPAI. All the layer chickens on the farm were destroyed by LDCC as a measure of precaution on 8 March 2012.
Clinical and epidemiological investigation of surrounding poultry farms was conducted. No other case or evidence of infection was detected.
The source of the outbreak remains inconclusive.
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