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1.人站在鱼池埂上 当发出击掌、跺脚声后,未能听到鱼反应,用手电筒照射水面,如发现鱼类成片集中在鱼池中间,则此时为中度浮头。除开动增氧机外,还要及时给鱼池换水。
1. People standing in the pond 埂 on the issue of high-pitched clatter, squeal, failed to hear the fish reacted with a flashlight shines on the surface of the water, if found in pieces of fish concentrated in the middle of the pond, then the time for a moderate floating head. In addition to starting the aerator, but also in time for the pond water change.