【摘要】 在不同浓度的CuSO4 和不同梯度的酸碱度下对椭圆背角无齿蚌进行了杀菌能力检测的NBT试验 .结果表明 ,较低浓度的CuSO4 和弱酸性水体可剌激河蚌的免疫系统 ,使血细胞吞噬杀菌能力增强 ;而较高浓度的CuSO4 和较低 pH值的水体则会对蚌的免疫系统造成不可逆的伤害更多还原

【Abstract】 Inordertolearnabouttheeffectsofpesticides (suchascoppersulfate)andwater bodypollutedbyacidrainonfreshwateroysterinpearloysterculturepractice ,NBTtestsofoyster bloodcellwerecarriedoutafterraisingtheoysterindefferentcoppersulfateconcentrationandin differentpHvalue.NBTpositivepercentagesofoysterbloodcellwerecompared ,bywhichbacteri alkillingandphagocyticcapabilityofneutrophilicgranulocytewerereflected .Theresultsshowedthat:lowcoppersulfateconcentrationoracidwatercanstimulatetheimmunesystemofoyster,in creasebacterialkillingandphagocyticcapabilityofoysterbloodcells.However,highconcentration ofCu2 + wastoxictotheimmunesystemofoyster,andtheinjurywasunreversible .更多还原