{"refrec":{"BRefID":257242,"RR":"<b>Ekasari, J.; Angela, D.; Waluyo, S.; Bachtiar, T.; Surawidjaja, E.; Bossier, P.; De Schryver, P.</b> (2014). The size of biofloc determines the nutritional composition and the nitrogen recovery by aquaculture animals. <i>Aquaculture 426-427</i>: 105-111. <a href=\"https://dx.doi.org/10.1016/j.aquaculture.2014.01.023\" target=\"_blank\">https://dx.doi.org/10.1016/j.aquaculture.2014.01.023</a>","BEntID":249251,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>Aquaculture 426-427</i>: 105-111. <a href=\"https://dx.doi.org/10.1016/j.aquaculture.2014.01.023\" target=\"_blank\">https://dx.doi.org/10.1016/j.aquaculture.2014.01.023</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Ekasari, J.; Angela, D.; Waluyo, S.; Bachtiar, T.; Surawidjaja, E.; Bossier, P.; De Schryver, P.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Ekasari, J. <i>et al.</i>","Englishabstract":"The effect of biofloc size on the nutritional composition of the flocs and the nitrogen utilization by white shrimp (<i>Litopenaeus vannamei</i>), red tilapia (<i>Oreochromis niloticus</i>) and mussels (<i>Perna viridis</i>) was investigated. Biofloc was collected from a shrimp culture unit and labeled with (<sup>15</sup>NcH<sub>4</sub>)<sub>2</sub>SO<sub>4</sub>. The flocs were sieved grouping them into 4 different size classes (un-sieved, < 48 µm, 48–100 µm, and > 100 µm) and subsequently offered to shrimp, red tilapia and mussels. The biofloc class of > 100 µm contained the highest levels of protein (27.8%) and lipid (7.5%), whereas the biofloc of < 48 µm seemed to be richest in essential amino acids. Based on the Essential Amino Acid Index (EAAI), biofloc produced in this study can be considered as a good quality protein source for shrimp (0.93–0.97) and a useful protein source for tilapia (0.83–0.90) and mussel (0.81–0.88). The total amount of nitrogen that could be derived from biofloc was the highest when the biofloc was larger than 100 µm, i.e. 4.06 g N/kg shrimp, 3.79 g N/kg tilapia, and 1.17 g N/kg mussel, respectively. The nitrogen recovery from the biofloc, however, was the highest when the floc was < 48 µm. Overall, this study showed that biofloc consumption by shrimp, red tilapia and mussels occurs irrespective of floc size but that floc size can play an important role in the quality of biofloc in terms of nutritional composition and nitrogen retention by the animals.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"The size of biofloc determines the nutritional composition and the nitrogen recovery by aquaculture animals","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":"Biofloc; Size distribution; Nitrogen recovery; Amino acid","OtherDescriptors":null,"Notes":null,"AnaPub":2014,"MonPub":null,"DateUpdate":"2018-12-18","DateCreate":"2016-05-29","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000334284000015","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.aquaculture.2014.01.023"},"refs":null,"anarec":{"AnaID":257242,"PubliDate":2014,"Pagination":"105-111","XtraPublOfAnaID":null,"ISBN":null,"Volume":"426-427","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42190,"SerRR":"Aquaculture. 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