Objective To study inborn duck hepatitis B virus model in Guilin area and find out the possibility of using polymerase chain reaction(PCR) method in DHBV detection.

• 目的了解桂林地区幼龄麻鸭携带鸭乙型肝炎病毒(DHBV)的情况并探讨PCR用于DHBV检测的可能性。