{"refrec":{"BRefID":4006,"RR":"<b>Cavalli, R.O.; Lavens, P.; Sorgeloos, P.</b> (1999). Performance of <i>Macrobrachium rosenbergii</i> broodstock fed diets with different fatty acid composition. <i>Aquaculture 179</i>: 387-402. <a href=\"https://dx.doi.org/10.1016/S0044-8486(99)00173-8\" target=\"_blank\">https://dx.doi.org/10.1016/S0044-8486(99)00173-8</a>","BEntID":4006,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Aquaculture 179</i>: 387-402. <a href=\"https://dx.doi.org/10.1016/S0044-8486(99)00173-8\" target=\"_blank\">https://dx.doi.org/10.1016/S0044-8486(99)00173-8</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Cavalli, R.O.; Lavens, P.; Sorgeloos, P.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Cavalli, R.O.; Lavens, P.; Sorgeloos, P.","Englishabstract":"The effect of linoleic acid (18:2n-6) and n-3 highly unsaturated fatty acids (HUFA) on the reproductive performance and offspring quality of the freshwater prawn <i>Macrobrachium rosenbergii</i> was evaluated in a 180-day trial. Three isonitrogenous and isolipidic diets containing different levels of fatty acids, high 18:2n-6 and n-3 HUFA concentrations, high 18:2n-6 and low n-3 HUFA, and low 18:2n-6 and n-3 HUFA, were fed ad libitum to three groups of six females. Fecundity was improved by the addition of higher amounts of 18:2n-6 (from 3 to 13 mg g<sup>-1</sup> DW). As a consequence of higher fecundity, smaller eggs were obtained most likely because the number of oocytes competing for a limited amount of yolk was higher. The higher gonado-somatic index of females fed diets with high levels of 18:2n-6 and n-3 HUFA levels further supports this hypothesis. The fatty acid composition of the eggs reflected to some extent the composition of the diets. Eggs of females fed high levels of 18:2n-6 and n-3 HUFA had the highest n-3 HUFA content and had increased hatchability. Eight-day-old larvae from females fed high levels of 18:2n-6 and n-3 HUFA tended to present a better stress tolerance when exposed to 100 mg l<sup>-1</sup> total ammonia for 24 h. No other differences were detected among larval characteristics from the different offspring groups. Results demonstrate that feeding <i>M. rosenbergii</i> broodstock with high levels of 18:2n-6 and n-3 HUFA (13 and 15 mg g<sup>-1</sup> DW, respectively) improved fecundity, egg hatchability, and the overall quality of the larvae.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Performance of <i>Macrobrachium rosenbergii</i> broodstock fed diets with different fatty acid composition","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":"Prawn culture; Polyunsaturated fatty acids; Feeding experiments; Fecundity; Brood stocks; <i>Macrobrachium rosenbergii</i>","Notes":null,"AnaPub":1999,"MonPub":null,"DateUpdate":"2015-07-13","DateCreate":"2000-10-25","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000081768100032","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/S0044-8486(99)00173-8"},"refs":null,"anarec":{"AnaID":4006,"PubliDate":1999,"Pagination":"387-402","XtraPublOfAnaID":null,"ISBN":null,"Volume":"179","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42190,"SerRR":"Aquaculture. 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