{"refrec":{"BRefID":286200,"RR":"<b>Piasecki, W.; MacKinnon, B.M.</b> (1995). Life cycle of a sea louse, <i>Caligus elongatusvon</i> Nordmann, 1832 (Copepoda, Siphonostomatoida, Caligidae). <i>Can. J. Zool. 73(1)</i>: 74-82. <a href=\"https://dx.doi.org/10.1139/z95-009\" target=\"_blank\">https://dx.doi.org/10.1139/z95-009</a>","BEntID":278222,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Can. J. Zool. 73(1)</i>: 74-82. <a href=\"https://dx.doi.org/10.1139/z95-009\" target=\"_blank\">https://dx.doi.org/10.1139/z95-009</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Piasecki, W.; MacKinnon, B.M.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Piasecki, W.; MacKinnon, B.M.","Englishabstract":"<i>Caligus elongatus</i>, known as a sea louse, is a very important pathogen of sea-farmed Atlantic salmon (<i>Salmo salar</i>). The life cycle of <i>C</i>. <i>elongatus</i> was examined under laboratory conditions. The observations were made at 10 °C, with ambient photoperiod. Small Arctic char (<i>Salvelinus alpinus</i>) kept in full-salinity seawater were used as experimental host fish. They were infected individually by offspring of several <i>C</i>. <i>elongatus</i> females. The hosts were killed at consecutive time periods after infection and developmental stages of the parasite were recovered. The life cycle consists of 8 stages: 2 nauplii, 1 copepodid, 4 chalimi, and adult. A separate preadult stage does not occur. The copepodid is infective and all subsequent stages live on fish. The time at which a particular stage is attained by 50% of individuals in a cohort (<i>T</i><sub>50</sub>) was as follows: chalimus I, 7.1 days post infection (dpi); chalimus II, 11.4 dpi; chalimus III, 14.0 dpi; chalimus IV, 17.6 dpi; adult, 24.7 dpi. The generation time was 43.3 days. The females can lay eggs at least twice. The males die after copulation (38–54 days after hatching). Overwintering females show signs of diapause.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Life cycle of a sea louse, <i>Caligus elongatusvon</i> Nordmann, 1832 (Copepoda, Siphonostomatoida, Caligidae)","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-15 01:32:59.488608","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":1995,"MonPub":null,"DateUpdate":"2017-06-12","DateCreate":"2017-06-12","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:A1995QY71100009","VABBcode":null,"OpenAcc":0,"DOI":"10.1139/z95-009"},"refs":null,"anarec":{"AnaID":286200,"PubliDate":1995,"Pagination":"74-82","XtraPublOfAnaID":null,"ISBN":null,"Volume":"73","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42541,"SerRR":"Canadian Journal of Zoology = Revue canadienne de zoologie. National Research Council: Ottawa.  ISSN 0008-4301; e-ISSN 1480-3283","StandardTitleSer":"Canadian Journal of Zoology = Revue canadienne de zoologie","ISSN":"0008-4301","AbbrevSer":"Can. J. 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