概况日本自六十年代初期以来,由于海产鱼虾类人工育苗的需要而广辟饵料来源。除大量培养轮虫外,还引进了丰年虫、微型蠕虫等,并且对个体较大的挠足类,如虎斑猛水蚤等亦进行开发利用。丰年虫分布于欧洲、美洲和亚洲大陆的咸水湖中。自1933年由美国的 Seale 认为是仔鱼的优良饵料以来,就作为鱼、虾、蟹类的初期饵料在世界上普遍使用。日本是从第二 Overview Since the early 1960s Japan has broadened its sources of feed because of the need for artificial breeding of fish and shrimp. In addition to massively cultivating rotifer, it also introduced Artemia, mini-worms and so on, and also developed and utilized the larger copepods, such as the fierce tiger fleas. Artemia are distributed in the lagoons of Europe, the Americas and Asia. It has been widely used in the world as the initial bait for fish, shrimp and crab since it was considered as the excellent bait for larvae by Seale in the United States in 1933. Japan is from the second