养殖与饲料2024年第1期稻田小龙虾生态养殖模式的效益比较侯应霞1,苏应兵2*1.湖北省农村科技人才办公室,武汉430070;2.长江大学动物科学学院,湖北荆州434025摘要[目的]比较稻田生态养殖小龙虾与传统养殖小龙虾模式的效益,探索稻田养虾的科学模式。[方法]2020—2022年,项目组分别在湖北潜江、洪湖、监利和公安4个市(县)选择新型农业经营主体作为具体实施单位,组织开展了稻田生态养殖小龙虾与传统人工养殖小龙虾的对比试验,比较不同养殖模式下的经济效益和生态效益。[结果]稻田生态养殖小龙虾比传统人工养殖小龙虾净收益高出27060.00元/hm2;化学需氧量低7.82mg/L,水体铵态氮(NH4+-N)含量低2.74mg/L,水体总磷(TP)含量低0.17mg/L,水体总氮(TN)含量低7.26mg/L。[结论]稻田生态养殖小龙虾模式相比传统模式,节省了用工、用药、用肥成本,具有显著稳定的经济效益和生态效益。关键词稻田小龙虾;生态养殖模式;经济效益;生态效益ComparisonofbenefitsofecologicalaquaculturemodelsforcrayComparisonofbenefitsofecologicalaquaculturemodelsforcray‐fishinpaddyfieldsfishinpaddyfieldsHOUYingxia1,SUYingbing2*1.HubeiProvincialOfficeofTalentsinRuralScienceandTechnology,Wuhan430070,China;2.CollegeofAnimalScience,YangtzeUniversity,Jingzhou434025,ChinaAbstractAbstract[Objectives]Thebenefitsofecologicalaquacultureofcrayfishinpaddyfieldswerecomparedwiththoseoftraditionalaquacultureofcrayfishtoexplorethescientificmodelforfarmingcrayfishinpaddyfields.[Methods]Theprojectteamselectednewentitiesofagriculturalmanagementasdetailedimplementationunitsinfourcities(counties)includingQianjiang,Honghu,Jianli,andGong'aninHubeiProvinceandconductedcontrastexperimentsbetweentheecologicalaquaculturemodelsforcrayfishinpaddyfieldsandthetraditionalaquaculturemodelsforcrayfishfrom2020to2022.Theeconomicandecologicalbenefitsofdifferentmodelsforfarmingcrayfishwerecompared.[Results]Thenetincomeofecologicalaquacultureofcrayfishinpaddyfieldswas27060.00yuan/hm2higherthanthatoftraditionalartificialaquacultureofcrayfish.Thedemandofchemicaloxygen,thecontentofammoniumnitrogen(NH4+-N)inwater,thecontentoftotalphosphorus(TP)inwater,andthecontentoftotalnitrogen(TN)inw...