{"refrec":{"BRefID":34847,"RR":"<b>Aguado Giménez, F.; García García, B.</b> (2002). Growth and food intake models in <i>Octopus vulgaris</i> Cuvier (1797): influence of body weight, temperature, sex and diet. <i>Aquacult. Int. 10(5)</i>: 361-377. <a href=\"https://dx.doi.org/10.1023/A:1023335024053\" target=\"_blank\">https://dx.doi.org/10.1023/A:1023335024053</a>","BEntID":34847,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Aquacult. Int. 10(5)</i>: 361-377. <a href=\"https://dx.doi.org/10.1023/A:1023335024053\" target=\"_blank\">https://dx.doi.org/10.1023/A:1023335024053</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Aguado Giménez, F.; García García, B.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Aguado Giménez, F.; García García, B.","Englishabstract":"Multiple regression analysis was used to develop mathematical models applicable to the growth and food intake of <i>Octopus vulgaris</i>. The variables considered were: body weight (Bw: 175-3,500 g), temperature (T: 13-28 °C), sex (S: male = 0, female = 1) and diet (D: bogue fish = 0, crabs = 1). Growth and food intake may be succesfully expressed by means of the following equations: Ln (AGR + 14) = -2.0135 + 0.0895 Ln Bw + 0.5087 T - 0.0142 T<sup>2</sup> + 0.2997 D (R<sup>2</sup> = 71.79; ANOVA p < 0.0001) and Ln (AFR) = - 5.6577 + 0.5137 Ln Bw + 0.5266 T - 0.0132 T<sup>2</sup> + 1.1135 D (R<sup>2</sup> = 78.71; ANOVA p < 0.0001), where AGR: absolute growth rate, AFR: absolute feeding rate, Bw: body weight, T: temperature and D: diet. In our experimental conditions, sex did not affect growth or food intake. The optimum temperature for growth (17.5 °C) and food intake (20 °C) was independent of body weight. Growth and food intake were higher with the crab diet. Nevertheless, food efficiency was better for animals fed on fish (bogue). Maximum food efficiency was reached at 16.5 °C for both diets. When the temperature was above 23 °C, weight losses and mortality were recorded; the temperature at which this occurred depending on body weight and diet, so that smaller and bogue-fed individuals were more sensitive to increasing temperatures. <i>O. vulgaris</i> growth may provide optimum economic performance from 16 to 21 °C. This range is too narrow, considering the wide natural range (12-29 °C) in some Mediterranean areas. Therefore, <i>O. vulgaris</i> growth will be limited by seasonality of temperature or must be carried out with other systems (e.g. recirculation in closed systems with temperature control) for it to be economically viable.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Growth and food intake models in <i>Octopus vulgaris</i> Cuvier (1797): influence of body weight, temperature, sex and diet","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-14 01:31:06.187250","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":"Cephalopods, Food intake model, Growth model, Growth","Notes":null,"AnaPub":2002,"MonPub":null,"DateUpdate":"2003-05-15","DateCreate":"2003-05-15","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000182272500002","VABBcode":null,"OpenAcc":0,"DOI":"10.1023/A:1023335024053"},"refs":null,"anarec":{"AnaID":34847,"PubliDate":2002,"Pagination":"361-377","XtraPublOfAnaID":null,"ISBN":null,"Volume":"10","Issue":"5","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":44242,"SerRR":"Aquaculture International. 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