作者: Mathias Jungwirth
DOI: 10.1007/BF00691947
关键词:
摘要: Due to different human activities the natural reproduction of huchen or Danube salmonHucho hucho (L.) has rapidly decreased during past century. Culture Danubian salmon fingerlings in ponds with food conditions cannot meet Stocking demands because average losses amount more than 90%. The feeding juveniles live (crustaceans, chironomids, tubificids etc.) tanks may yield up 80% young-of-the-year. But practice it be done an insufficient supply such items.