摘要

An API ZYM test was applied to determine the activity of hydrolases in excretory-secretory products and in extracts from the second- (J2), third- (J3) and fourth- (J4) stage juveniles of Contracaecum rudolphii. The J2s were obtained by hatching from eggs, whereas the J3s were obtained from experimentally infected fish and the J4s were isolated from stomachs of cormorants. The highest number of active hydrolases was determined in the ES products (16) and extracts from J3 (19). Analyses of ES products from J2 and J4 showed the activity of eight and ten hydrolases, respectively. In the extracts from J2, the number of active hydrolases accounted for 15, whereas in the extracts from J4 it was 10.

  • 出版日期2010