MAJOR AQUACULTURE SPECIES AND CULTURE TECHNIQUES

Withincreaseinglobalpopulation，competitionforresourcesbecomesmoreacuteandtheneedforfoodsecurityismorecritical.Thepressureforfoodsecurityisfeltmoreinthetropicalregionsoftheworldwheremostofthedevelopingnationslie.Thispressurehasledtoincreaseddemandforqualityproteinfoodespeciallyfish.Fishareanimportantsourceofbothfoodandincometomanypeopleindevelopingcountries.However，withthedeclineinlandingfromcapturefisheriesthedevelopmentoftheaquaculturesectorbecomesasinequanon.Increasedaquacultureproductionisclearlyneededtomeetthedemandforqualityprotein.Increaseddemandsforaquacultureproductionmeanincreasingpressurefordevelopmentofmoreefficientproductionsystems.Aquaculturehasthecapacitytocontributetoincreasedeconomicandnutritionalwell-beingofthepoorespeciallyinthethirdworldravagedbyhungerandfoodinsecurity.Tomeetthisdemandandensurethesuccessofaquacultureoperationsthereistheneedforacomprehensivesourceofaquacultureinformation.Thissourcehowever，shouldbeofpracticalvalueandshouldcontaininformationwhichthefishfarmerorextensionagentcanunderstandandapply.TothisendaconsortiumofexperiencedandwellinformedprofessionalsinthefieldofaquacultureandfisheriesmanagementhavecomeupwiththisbookMajorAquacultureSpeciesandCultureTechniques.forAfrica.Thisbook，compiledinaconciseandreadablemanner，ismeanttoserveasapracticalguidetofishfarminginthetropics.Itcoversthecultureforcommoncarp，tilapia，catfishandafewnumbersofconventionalChinesecarps；fishprocessingisalsoincludedinthebook.Itfurnishesampleinformationonthefarmingtechniquesforthefishesatdifferentstagesaswellashealthrelatedmanagementissuesintheoperationprocess.Thisbookwillbeaninvaluabletextforundergraduatestudentsinuniversities，polytechnics，schoolsoffisheriesandagriculture，forstudentsstudyingfordegreesordiplomasinfisherieswiththeintentionofbecomingfisheriesextensionanddevelopmentofficers.