广西池塘养殖杂交鳢的生长特性

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1、南方农业学报JOURNALOFSOUTHERNAGRICULTURE2014，45（3）：505-5083ISSN2095-1191期；CODENNNXAABhttp：//www.nfnyxb.cnDOI：10.3969/j：issn.2095-1191.2014.3.505广西池塘养殖杂交鳢的生长特性12*22杨琼，文衍红，罗福广，刘俊玲12（广西水产科学研究院，南宁530021；柳州市渔业技术推广站，广西柳州545006）摘要：【目的】了解杂交鳢在池塘养殖中的生长特性，为今后在广西推广养殖提供参考依据和技术指导。【方法】从广东引进杂交鳢鱼苗进行池塘养殖，每月采样测

2、量其体长和体重，并每天测量池塘水温，在广西柳州地区开展一个生长周期的养殖试验。【结果】杂交鳢鱼苗经过7个月的池塘养殖，其产量达53256.0kg/ha，成活率为90.6%；5~12月杂交鳢的体长均处于增长状态，月均增长1.1~7.4cm，体长生长曲线与池塘水温变化曲线走势基本一致；5~12月杂交鳢体重也呈明显的增长趋势，月均增重16.2~178.2g，且体重生长曲线的斜率较体长生长曲线更陡。【结论】杂交鳢在广西的池塘养殖效果良好，尤其在广西桂北和桂中地区可替代罗非鱼进行推广养殖。关键词：杂交鳢；体长；体重；生长特性；水温；池塘养殖中图分类号：S965.199文献标志码

3、：A文章编号：2095-1191（2014）03-0505-04Growthcharacteristicsofhybridsnake-head（Channaargus×C.maculate）inGuangxipondculture12*22YANGQiong，WENYan-hong，LUOFu-guang，LIUJun-ling12（GuangxiAcademyofFisherySciences，Nanning530021，China；LiuzhouFisheryTechnologyExtensionStation，Liuzhou，Guangxi545006，Chin

4、a）Abstract：【Objective】Thegrowthcharacteristicsofhybridsnake-headwereanalyzedtoprovidereferencesforpromotingpondcultureinGuangxi.【Method】Thefryofhybridsnake-headwasimportedfromGuangdongProvinceandraisedinpondinLiuzhouregionofGuangxiforagrowthcycle.Thebodylengthandbodyweightoffishsamplesw

5、eremeasuredeverymonth，andthewatertemperaturewasmeasuredeveryday.【Result】After7months’pondculture，theyieldofadultfishapproachedto53256.0kg/ha，andthesurvivalratewas90.6%.FromMaytoDecemberoftheyear，thebodylengthofhybridsnake-headgrewwiththeaveragemonthlygrowthof1.1-7.4cm.Thegrowthcurveofbo

6、dylengthwasalmostthesamewiththechangecurveofwatertemperature.Overthesameperiod，thebodyweightofhybridsnake-headalsoshowedanobviousincrementtrendwiththeaveragemonthlygrowthof16.2-178.2g.Theslopeofgrowthcurveofbodyweightwassteeperthanthatofbodylength.【Conclusion】Thesetestresultsindicatetha

7、tpondcultureforhybridsnake-headisgreatlyfeasibleinGuangxi，andhybridsnake-headismoresuitablethantilapiainnorthernandcentralregionofGuangxi.Keywords：hybridsnake-head（Channaargus×C.maculate）；bodylength；bodyweight；growthcharacteristic；wa-tertemperature；pondculture0引言饲料，易养殖，且生长速度较快。