{"refrec":{"BRefID":120101,"RR":"<b>Hagood, R.W.; Willis, S.A.</b> (1976). Cost comparisons of rearing larvae of freshwater shrimp, <i>Macrobrachium acanthurus</i> and <i>M. rosenbergh</i>, to juveniles. <i>Aquaculture 7(1)</i>: 59-74","BEntID":114292,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Aquaculture 7(1)</i>: 59-74","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":1,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Hagood, R.W.; Willis, S.A.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Hagood, R.W.; Willis, S.A.","Englishabstract":"Costs were determined for rearing larval <i>Macrobrachium rosenbergii</i> (De Man) and <i>M. acanthurus</i> (Wiegmann). Rearing was conducted in 2 phases. First-phase rearing (first 10 days) was conducted in conical fiberglass tanks with recalculated, filtered, brackish water; 2nd-phase rearing(final 30 days) was done in aerated 1000-1 concrete tanks. To minimize water quality problems and debris accumulation in 2nd-phase rearing, larvae were transferred every 4 to 5 days to a new tank of clean water. Larval food consisted of newly hatched <i>Artemia</i> and either freshly ground fish or freeze-dried fish. Mean survival in five <i>M. rosenbergii</i> rearing trials was 43% in 40 days at a final density of 12 juveniles per liter. Mean survival of 4 <i>M. acanthurus</i> trials was 25% in 44 days at a final density of 3 juveniles per liter. Average total cost of labor, operation (electricity), food and water per thousand juveniles produced was $3.56 for <i>M. rosenbergii</i> and $13.42 for <i>M. acanthurus</i>. Extrapolation of results to larger (3000-1) 2nd-phase rearing tanks showed <i>M. rosenbergii</i> rearing cost could be reduced to $1.87/1000.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Cost comparisons of rearing larvae of freshwater shrimp, <i>Macrobrachium acanthurus</i> and <i>M. rosenbergh</i>, to juveniles","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":1976,"MonPub":null,"DateUpdate":"2014-08-06","DateCreate":"2008-02-21","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1},"refs":null,"anarec":{"AnaID":120101,"PubliDate":1976,"Pagination":"59-74","XtraPublOfAnaID":null,"ISBN":null,"Volume":"7","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42190,"SerRR":"Aquaculture. 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