問題詳情

22.Hjarre's disease由下列何者引起,可造成家禽全身性肉芽腫?
(A)Aspergillus fumigatus
(B)Salmonella Pullorum
(C)Mycobacterium avium
(D)Escherichia coli

參考答案

答案:D
難度:非常困難0
統計:A(1),B(0),C(0),D(0),E(0)

用户評論

終於.......】評論

Coligranuloma (Hjarre’s disease) is a sporadic form of colibacillosis that affects chickens, turkeys,and quail. Multiple granulomas occur in the liver, proventriculus, ventriculus, small intestines,ceca, and mesentery. The spleen is not affected. Onrare occasions, a majority of birds can be affected in a flock.Diagnosis is based on isolation and identification of E. coli from lesions.參考:Manual of Poultry Diseases