{"refrec":{"BRefID":29041,"RR":"<b>Hansen, T.K.; Falk-Petersen, I.-B.</b> (2001). Effects of egg disinfection and incubation temperature on early life stages of spotted wolffish. <i>Aquacult. Int. 9(4)</i>: 333-344","BEntID":29041,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Aquacult. Int. 9(4)</i>: 333-344","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Hansen, T.K.; Falk-Petersen, I.-B.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Hansen, T.K.; Falk-Petersen, I.-B.","Englishabstract":"Eggs of spotted wolffish (<i>Anarhichas minor</i> Olafsen) were incubated at constant 4, 6 and 8 °C, and disinfected with glutaric dialdehyde (150 p.p.m. for 5 min) once or twice a month during two thirds of the incubation period, to prevent growth of microorganisms. Hatching of apparently normal larvae started earlier when eggs were disinfected twice a month compared to once a month at all incubation temperature regimes. The time to 50% hatch was 900 and 920 day-degrees (16 and 16,5 weeks) at 8 °C, 835 and 880 day-degrees (20 and 21 weeks) at 6 °C and 725 and 800 day-degrees (26 and 28,5 weeks) at 4 °C, in the egg groups disinfected twice or once a month, respectively. The best survival until hatching was noted when eggs were disinfected twice a month and incubated at 6 and 8 °C. Survival was very low at 4 °C. Prematurely hatched larvae were registered in all egg groups disinfected twice a month and the highest frequency was noted in the 8 °C groups. The larval weight at normal hatching in the 6 and 8 °C groups was negatively correlated with incubation temperature and intervals of disinfection during the incubation period, but after 42 days feeding with live feed (unenriched <i>Artemia</i>) the weights of the larvae were not significantly different. The specific growth rates of the larvae from the eggs incubated at 6 °C and 8 °C were 3.0% and 3.2%, respectively. The mean survival of larvae was between 88% and 96% at 42 days post-hatching. Young wolffish originating from the 6 °C incubation groups showed lowest mortality.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Effects of egg disinfection and incubation temperature on early life stages of spotted wolffish","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":"<i>Anarhichas minor</i>; Disinfection;  Egg-incubation; Live feed; Spotted wolffish; Start-feeding; Temperature","Notes":null,"AnaPub":2001,"MonPub":null,"DateUpdate":"2002-11-08","DateCreate":"2002-11-04","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000178326700004","VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":29041,"PubliDate":2001,"Pagination":"333-344","XtraPublOfAnaID":null,"ISBN":null,"Volume":"9","Issue":"4","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":44242,"SerRR":"Aquaculture International. 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