魚塘中的水蛇,以魚、蝦、黃鱔、泥鰍等水生動物為食,對魚苗、魚種的危害特別大。
weileshamieyutangzhongdeshuishe,kecaiquyoushahedushaliangzhongfangfa。youshafa,shijiangshigongjinzuoyoudedaocaokunchengyikun,zhongjianfangruxinxianqindankezuoyouer,zaizaidaocaokunshangxishangshitou,chenruyutang,meitianbangwanfangru,diertianzaochenquchu。fangruhequchukeyongshengsuoqianyin。quchuhou,jiekaidaocaokun,dasizuanruqizhongdeshuishe。dushafa,shimeimushuimianyongxiandan7—10個(蛋用放進加入20克雄黃的水中煮熟,剝去蛋殼,放入魚塘中)水蛇食後,便會中毒死亡。
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