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稻田易生长青泥苔、甲藻、水网藻、湖靛等藻类,若套养鲫鱼后,它们会成为鲫鱼的植物性敌害,应加强防治。1.危害方式(1)中毒。湖靛等藻类含有大量的胶质膜,鲫鱼误食后不能消化,并且藻类死亡后,易分解产生羟胺、硫化氢等毒物,使鱼死亡。同时,藻类生长时,吸收水中营养,影响饵料生物
Rice fields grow easily moss, dinoflagellates, hydrolysates, lake indigo and other algae, if the raise crucian carp, they will become the crucian carp plant enemy, should strengthen prevention and control. 1. Hazard way (1) poisoning. Lake algae and other algae contain a large number of plastic membrane, crucian carp can not be digested after eating, and algae death, easy decomposition of hydroxylamine, hydrogen sulfide and other poisons, the fish died. At the same time, algae growth, absorption of water nutrition, affect food organisms