【終於.......】評論
A. persicus is a transmitting agent of Aegyptianella pullorum to fowls. The disease was successfully transmitted to 9 healthy chickens by adult ticks which had previously fed on infected chickens. Moreover, the tick can retain its infection after feeding on a healthy bird, as one adult transmitted the disease twice to healthy chickens. The shortest interval between feeding on an infected bird and a healthy chicken was 26 days. The incubation period in chickens after an infected tick has bitten varies from 12 to 15 days or more. An infected adult A. persicus may remain infected for at least 162...