【摘要】 从刺孢吸水链霉菌桂林亚种1835的发酵物中提取到多醚类抗生素。试验证明对鸡球虫病具有显著的疗效,给药浓度为50、100ppm的防治效果分别为50%和90%,并对雏鸡具有9-15%的增重效果。更多还原

【Abstract】 From Streptomyces hygrospinosus subsp. guilinesis strain 1835, an antibiotic wasisolated which is effective in the prevention and controlling of chicken diseases causedby Emeria tenella. The active component, 1835 B, was characterized as a polyethercompound using IR, HNMR and MS. The experiments reveralled that the curative effectof this antibiotic on chicken diseases can be up to 90% when administering concentra-tion reaches 100ppm. This antibiotic can also be served as a chicken growth promoter.更多还原