{"refrec":{"BRefID":337992,"RR":"<b>Hoang, M.N.; Nguyen, P.N.; Bossier, P.</b> (2020). Water quality, animal performance, nutrient budgets and microbial community in the biofloc-based polyculture system of white shrimp, <i>Litopenaeus vannamei</i> and gray mullet, <i>Mugil cephalus</i>. <i>Aquaculture 515</i>: 734610. <a href=\"https://hdl.handle.net/10.1016/j.aquaculture.2019.734610\" target=\"_blank\">https://hdl.handle.net/10.1016/j.aquaculture.2019.734610</a>","BEntID":334616,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>Aquaculture 515</i>: 734610. <a href=\"https://hdl.handle.net/10.1016/j.aquaculture.2019.734610\" target=\"_blank\">https://hdl.handle.net/10.1016/j.aquaculture.2019.734610</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Hoang, M.N.; Nguyen, P.N.; Bossier, P.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Hoang, M.N.; Nguyen, P.N.; Bossier, P.","Englishabstract":"Shrimp polyculture has not been common practice because it is mostly limited to extensive aquaculture systems. A combination of shrimp-fish polyculture and biofloc technology may have the potential to substitute low intensive shrimp polyculture systems. An indoor trial was conducted to investigate whether a biofloc-based co-culture of <em>Litopenaeus vannamei</em> and <em>Mugil cephalus</em> generates synergistic effects at the level of water quality, animal production, and nutrient budgets relative to co-culture and/or biofloc based monoculture. Shrimp (0.50 ± 0.16 g) were randomly distributed in 12 fiberglass tanks (5 m<sup>3</sup>) at a density of 80 shrimp.m<sup>-3</sup>. Six tanks were operated as shrimp monoculture either without biofloc (M-only) or with bioflocs (M-biofloc). The other six tanks were operated as polyculture (<em>Mugil cephalus</em> size of 1.51 ± 0.02 g added at 10% stocking density of the shrimp biomass) either without biofloc (P-only) or with biofloc (P-biofloc). The results showed that water quality parameters, such as total ammonia nitrogen (TAN), nitrite, nitrate, phosphate were significantly lower in M-biofloc and P-biofloc than in other treatments (p<0.001). There were synergistic effects (reduction) at the level of N waste output but not for P waste output by applying polyculture in combination with biofloc technology. Total animal production was significantly higher in P-only and P-biofloc (4252 and 4425 g.tank<sup>-1</sup>, respectively) relative to the respective monocultures. These polyculture treatments were also lower in feed conversion ratio (1.18 and 1.07, respectively) than in M-only and M-biofloc. Yet no synergistic effects were noticed by combining polyculture with bioflocs. The data seems to indicate that mullet is not an efficient biofloc consumer. Analysis of DGGE bacterial profile illustrated a dynamic microbial community structure in the water column and considerable difference in microbial community structures among treatments. It is concluded that the combination of shrimp-fish polyculture and biofloc has additive effects at the level of animal production and synergistic effects at the level of some water quality parameters.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Water quality, animal performance, nutrient budgets and microbial community in the biofloc-based polyculture system of white shrimp, <i>Litopenaeus vannamei</i> and gray mullet, <i>Mugil cephalus</i>","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; Integrated production; Microbial community; Shrimp poly-culture","OtherDescriptors":null,"Notes":null,"AnaPub":2020,"MonPub":null,"DateUpdate":"2021-05-31","DateCreate":"2021-05-17","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000496787000061","VABBcode":null,"OpenAcc":0,"Handle":"10.1016/j.aquaculture.2019.734610"},"refs":null,"anarec":{"AnaID":337992,"PubliDate":2020,"Pagination":"734610","XtraPublOfAnaID":null,"ISBN":null,"Volume":"515","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42190,"SerRR":"Aquaculture. 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