充足、适口的饵料是养殖特种水产品成败和经济效益大小的关键。尤其是黄膳、蛙类、鳜鱼、乌鳢等都需要全部或部分活饵。因此，欲养殖名贵水产品，首先要考虑活饵的来源。下面介绍几种活饵的培养方法。 一、水蚤培养法可以利用农村的旧粪池、废弃坑塘来培养水蚤。其方法是将粪 Adequate, palatable food is the key to the success or failure of breeding special aquatic products and economic benefits. Especially the yellow meal, frogs, catfish, catfish, etc. need all or part of live bait. Therefore, to breed expensive aquatic products, we must first consider the source of live bait. Here are some ways to cultivate live bait. First, the daffodil culture method can make use of the rural old manure ponds, abandoned ponds to cultivate daphnia. The method is to put manure