影響斑點(diǎn)叉尾鮰(Ictalurus punctatus Rafinesgue)產(chǎn)卵率幾種因素的研究.pdf

1、分類號(hào)密級(jí)華中農(nóng)業(yè)大學(xué)碩士學(xué)位論文影響斑點(diǎn)叉尾胭(Ictaluru、punctatu、Rafinesgue)產(chǎn)卵率幾種因素的研究StudiesinaffectingfactorsonsPawningrateofChannelCatfish(IctalurusPunctatusRafinesgue)專業(yè):農(nóng)業(yè)推廣SPecialty:AgriculturalExtension研究方向:漁業(yè)Subject:Fishery研究生:羅繼倫Post

2、graduate:LuoJilun導(dǎo)師:王衛(wèi)民教授蔡焰值高級(jí)工程師SuPervisor:Professor叭ang認(rèn)七minSeniorEngineerCaiYanzhi華中農(nóng)業(yè)大學(xué)水產(chǎn)學(xué)院，湖北武漢，4300702007年11月CollegeofFisheries，HuazhongAgriculturalUniversit又Wuhan，Hubei，China，430070，Nov，20003斑點(diǎn)叉尾蛔的生殖習(xí)性............

3、................................................................……103.1性成熟和性腺特征..........................................................................……103.2性腺成熟系數(shù)、懷卵量及性腺發(fā)育速率......................................……103

4、.3產(chǎn)卵季節(jié)和產(chǎn)卵習(xí)性................................……，...……，，......……，.......……103.4胚胎發(fā)育........................................……、...........................................……104對(duì)生態(tài)環(huán)境因素的適應(yīng)性......................................

5、..................................……n4.1對(duì)溫度的適應(yīng)性..............................................................................……n4.2對(duì)溶氧、鹽度、無機(jī)物等的適應(yīng)性..............................................……n第三節(jié)斑點(diǎn)叉尾蛔人工繁殖技術(shù)研究現(xiàn)狀......…

6、…，......................................……n1斑點(diǎn)叉尾幗人工繁殖................................................................................……121.1親魚培育池...........................................................................

7、...........……121.2親魚的選擇與放養(yǎng)..................................................……，.................……121.3親魚培育..........................................................................................……122雌雄鑒別..............

8、......................................................................................……133產(chǎn)卵繁殖....................................................................................................……143.1產(chǎn)卵環(huán)境..............

9、............................................................................……143.2卵巢及設(shè)置......................................................................................……1433受精卵收集與運(yùn)輸................................

10、..........................................……巧4人工孵化....................................................................................................……巧第四節(jié)開展本試驗(yàn)研究的目的和內(nèi)容...................................................

11、..........……171.1親魚放養(yǎng)密度對(duì)斑點(diǎn)叉尾蛔產(chǎn)卵率的影響.........................................……171.2親魚體重對(duì)斑點(diǎn)叉尾蛔的產(chǎn)卵率的影響.............................................……171.3產(chǎn)卵池水深對(duì)斑點(diǎn)叉尾胭產(chǎn)卵率的影響.............................................……181.

12、4產(chǎn)卵池底泥厚度對(duì)斑點(diǎn)叉尾蛔產(chǎn)卵率的影響.....................................……181.5人工催情對(duì)斑點(diǎn)叉尾蛔產(chǎn)卵率的影響..…‘...........................................……18第二章影響斑點(diǎn)叉尾胭產(chǎn)卵率因素的研究......……，......……，...............................……201材料和方法............

13、...........................................................................................……201.1材料.........................................................................................................……201.2方法......

14、........................................................................................……，....……201.2.1親魚培育.......................................................................................……201.2.2設(shè)置產(chǎn)卵巢...........

15、........................................................................……211.2.3親魚池的管理和卵塊收集.................................................……‘..……，221.2.4不同放養(yǎng)密度的產(chǎn)卵池生態(tài)條件及放養(yǎng)情況...........................……221.2.5不同親魚體重的產(chǎn)卵