Avian Infectious Bronchitis(IB) is an acute. highly contagious respiratory disease characterized by sneeze,fever,depression.
Avian Infectious Bronchitis(IB) is an acute. highly contagious respiratory disease characterized by sneeze,fever,depression.
鸡传染性支气管炎(Avian Infectious Bronchitis，IB)是由鸡传染性支气管炎病毒(Infectious Bronchitis Virus，IBV)引起的一种急性、高度接触性呼吸道传染病。