Broiler chicken's bronchial embolization is a respiratory disease characterized withbronchial embolization and pulmonary edema. It usually exists among broiler chickens atthe age of10-30days onset and death rapidly. This paper is going to study the epidemiology,identify the pathogen and conduct susceptibility test in vitro in order to identify the effectivemedicine for clinical practice. The separated pathogen is used to do the duplicate test, inorder to confirm it is right the factor to cause the disease a...