瓦氏黄颡鱼引种繁育和养殖技术的研究

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1、瓦氏黄颡鱼引种繁育和养殖技术的研究AbstractAstudyontheintroduction，propagation，culturaltechniqueofdarkbarbelcatfishPelteobagrusvachelli(Siluriformes·Bagridae)AbstractAbstract：PelteobagrusvachellisubjectionofSiluriformcs，Bagridae，Pelteobagrus．theydistributemostlyingreatriversjustlikechangjiangriverand

2、zhujiangriver．Itisfamousofdelicateflesh、deliciousandrichnesspabulum．ThereqirementofPelteobagrusvachelliincreaseyearbyyear,butcosmicallybreedingofitwasnotdeveloped，SOitcost40---50￥傀．Soithasdevelopedintooneofthemostfamoudkindsforbreeding．it．ThetextgetacrosssystemresearchfromPelteobagr

3、usvachelli’Sbreedbiologicalcharacteristic、manualworkbreedtechnique、cultivatestirp、breedgrownfishandpreventmalady．ThepurposeissearchingafterthetechniqueitaccordwitllasuitofPelteobagrusvachellisweepingbreedinginsouthofJiangsu．1．AdoptthewayofsamplingandinspectonceamonthtoresearchPelteo

4、bagrusvachelli’Ssexglandmaturityquotiety’Sseasonaltransformation，educethebestbreedingtemperatureofPelteobagrusvachelliisbetween24-269C．Andputupbatchmanpowerbreedingonthebasic，andthenproduced3．19millionyoungplants，theaverageproductiveratereachat87．8％，incubateratereachat81．2％．2．Itisth

5、eimportantkeyofadvancingdomesticatesurvineofPelteobagrusvachellifrieswitllusingmanualworkfeedontheforepartofbreed．ThisexperimentadoptfeedwhichmixtheLeiocassislongirostris’mealyfeedandnaturalbaitjustlikeCladoceraandCalanoidatodomesticate1．5cmlengthfry．cutthephasebreedingwithwaterangl

6、eworm，80predigesttheprogressangshortenthetime；atthesametime,boostthesurviverateat88％getacrossscientificalactualizedrug．Ontheoneyearseedbreededphase，weadvancethestandardandsurvivebybreedinreasonandzoologycontroltechniques．Theaveragespecsofoneyearseedreachat80gandachieve5130yeardperau

7、nitofarea，93．2％survive，and2．0feedmodulusin2007。3．BasisthePelteobagrusvachelli’Slivingbehaviour,zoologicalbreedingtheory，webreeded2091PetteobagrusvachelliswhichWas76．59weightwith80Ⅱ苏州大学学位论文独创性声明及使用授权声明学位论文独创性声明本人郑重声明：所提交的学位论文是本人在导师的指导下，独立进行研究工作所取得的成果。除文中已经注明引用的内容外，本论文不含其他个人或集体已经发表或撰写

8、过的研究成果，也不含为获得苏州大学或其