Conclusion The natural carrying rate of DHBV in Guilin ducks was 37.67%, which indicated that ducks in Guilin area are susceptible to DHBV and they are ideal animal model of HBV infection,...

• 结论桂林地区幼龄麻鸭自然携带DHBV率为37.；67%25；提示其对DHBV易感；是较为理想的动物模型;PCR法检测DHBV敏感性较高；重复性好；可用于DHBV的检测。