摘要: 为了探究漂白粉在自然衰减情况下对近亲真宽水蚤各发育阶段的灭杀效果,在5℃和25℃条件下不同肥度的水体中进行了漂白粉对近亲真宽水蚤的毒性试验。试验结果表明,水肥度及温度是漂白粉的衰减影响因子,近亲真宽水蚤的卵、成体、桡足幼体和无节幼体对漂白粉(有效氯)浓度耐受性依次减弱,漂白粉对其灭杀浓度分别为32.000、3.200、1.000~3.200、1.000mg/L。因此,在水产养殖过程中,使用漂白粉灭杀近亲真宽水蚤时,其使用量应考虑近亲真宽水蚤不同的发育阶段及温度、水肥度对灭杀效果的影响。
中图分类号:
马静,曹婷婷,吴桃. 漂白粉对近亲真宽水蚤不同发育阶段的毒性试验[J]. 畜牧与饲料科学, 2018, 39(12): 23-26.
MA Jing,CAO Ting-ting,WU Tao(Fishery Technology Promotion Station of Alagxa League of Inner Mongolia,Alagxa Left Banner 750306,China,Fishery Technology Guiding Station of Haizhou District of Lianyungang of Jiangsu Province,Lianyungang 222000,China,Fishery Management Station of Ordos of Inner Mongolia,Kangbashi District 017000,China). Toxicity Test of Bleaching Powder on Eurytemora affinis in Different Developmental Stages[J]. Animal Husbandry and Feed Science, 2018, 39(12): 23-26.