Research progress on "skin ulceration syndrome" of Apostichopus japonicas.

With the rapid development of Apostichopus japonicas farming in northern China,the diseases become more and more serious.Among all diseases,the high morbidity and high mortality of disease"skin ulceration syndrome",has restricted the development of Apostichopus japonicas farming seriously.The paper overviewed the epidemic situation and symptoms of this disease,analyzed in detail the pathogen and pathogenesy,and summarized the common diagnostic techniques and control measures.The paper also prospected the new direction for the sustainable development of Apostichopus japonicas farming,so as to provide scientific basis for effective diagnosis and control of"skin ulceration syndrome".