The effect of photoperiod on the growth performance, survival rate, swim bladder inflation (SBI) and presence of vertebral anomalies was evaluated in pikeperch larvae reared under intensive production in a recirculating system (RAS). Three different photoperiods were tested from 1 to 30 days post hatch, 12:12 LD, 16:8 LD and 24:0 LD. Larvae were stocked with an initial density of 100 larvae per liter, light intensity of 100 lx and 16.0°C water temperature. The SGR among treatments ranged between 11.17 and 12.04% day−1. The highest survival rate (56.7 ± 2.4%) was found in 24:0 LD with a negative effect on the number of larvae with SBI. The highest presence of vertebral anomalies at 30 dph was found in 24:0 LD (40.8 ± 8.2%) compared to 12:12 LD (2.5 ± 1.4%) and 16:8 LD (1.7 ± 1.6%). These results suggest that constant light compromises culture of pikeperch larvae in RAS. A 16:8 LD photoperiod seems suitable for the growth performance, SBI and low vertebral anomalies at this life stage.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Effect of photoperiod regime on the growth performance, survival, swim bladder inflation and vertebral anomalies of pikeperch (Sander lucioperca) larvae in recirculating aquaculture systems (RAS)","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-21 01:33:33.100900","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Pikeperch; photoperiod; RAS; swim bladder inflation; vertebra lanomalies; lordosis; malformed vertebral body","OtherDescriptors":null,"Notes":null,"AnaPub":2024,"MonPub":null,"DateUpdate":"2024-04-16","DateCreate":"2024-03-26","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:001114505200001","VABBcode":null,"OpenAcc":0,"DOI":"10.1080/10454438.2023.2290705"},"refs":null,"anarec":{"AnaID":391429,"PubliDate":2024,"Pagination":"19","XtraPublOfAnaID":null,"ISBN":null,"Volume":"Latest Articles","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43019,"SerRR":"Journal of Applied Aquaculture. 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