欢迎来到天天文库
浏览记录
ID:9040736
大小:580.52 KB
页数:4页
时间:2018-04-15
《广西池塘养殖杂交鳢的生长特性》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
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。
此文档下载收益归作者所有