养鱼池水体内有一部分浮游的细菌团,过去我们把这部分饵料从养鱼饵料学中给忽略了,很少有人问津。甚至还有一种错误认识,认为细菌是对鱼类有害的东西,即使有些对鱼有利的细菌,也无非是作为分解有机物质,起一些与饵料有关的间接作用。鱼类不能把这么小的东西直接作食物。实际上,细菌也是鱼类的好饵料。细菌个体虽然极小,可是由成千上万个细菌个体聚集起来的细菌团,有的直径超过20微米,鲢鱼的鳃耙完全可以滤取,直径超过60微米的,鳙鱼的鳃耙也可以滤取。在水体中施入有机肥后,细菌就聚集在细微的有机颗粒表面上,重量可占有机颗粒重量的5％左右,被鱼类滤取后,细菌类被消化吸 Fish pond water body part of the planktonic bacteria group, in the past we have to fish from this part of the food to ignore, and few people care. There is even a misunderstanding that bacteria are harmful to fish. Even some bacteria that are beneficial to fish act as decomposing organic substances and act as indirect food-related effects. Fish can not make such small things directly for food. In fact, bacteria are also good bait for fish. Although the individual bacteria are very small, but by a large number of bacteria gathered together bacterial groups, and some more than 20 microns in diameter, silver carp gill rake can be filtrated, more than 60 microns in diameter, mackerel gills also Can filter. After the organic fertilizer is applied to the water body, the bacteria accumulate on the surface of the fine organic particles, and the weight can occupy about 5% of the weight of the organic particles. After being filtered by the fish, the bacteria are digested and sucked