In the 25 kinds of silkworm, the content of DNJ was 0.26-0.53%, and the content of DNJ in the male silkworm was higher than that in female body.

• 蚕体中DNJ含量在不同蚕品种、不同生长发育阶段、不同性别等问存在显著.；差异，在供试的25个蚕，，