Highly Pathogenic Avian Influenza H5N1 in Chickens in Upper Egypt
作者: Hatem S. Abd El-Hamid
刊名: Zagazig Veterinary journal, 2017, Vol.45 (4)
来源数据库: Zagazig Veterinary Journal
DOI: DOI: 10.21608/ZVJZ.2017.7868
关键词: Highly Pathogenic Avian Influenza H5N1ChickensUpper Egypt
原始语种摘要: One-year surveillance of HPAI (H5N1) virus infection in different chicken flocks (141 flock) from different Governorates in Upper Egypt was carried out, during the period from January 2015 to January 2016. The detection rate of highly pathogenic avian influenza (HPAI) H5N1 virus was 21.3% (30/141) which was highest during the winter season compared with the other seasons. The investigated flocks suffered from respiratory and nervous signs and cyanosis of the comb and wattles was observed in some birds as well as subcutaneous hemorrhages in shanks. The thirty positive H5N1 samples were tested for the existence of other respiratory viruses. The results were as follows: single H5N1 virus infection was only detected in 5 flocks (16.6%). The mixed H5N1 with H9N2 in 2 flocks (6.6%); H5N1with...
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  • flocks 絮凝物
  • Egypt 埃及
  • virus 病毒
  • chicken 小鸡
  • Upper 上方
  • avian 鸟的
  • isolates 单离体
  • influenza 列性感冒
  • pathogenic 病原的
  • cyanosis 发绀病