The interaction of temperature, salinity and body weight on growth rate and feed conversion rate in turbot (Scophthalmus maximus)
文献类型: 外文期刊
作者: Huang Zhi-Hui 1 ; Ma Ai-Jun 1 ; Wang Xin-An 1 ; Lei Ji-Lin 1 ;
作者机构: 1.Chinese Acad Fisheries Sci, Key Lab Sustainable Dev Marine Fisheries, Qingdao Key Lab Marine Fish Breeding & Biotechnol, Minist Agr,Yellow Sea Fisheries Res Inst, Qingdao 266071, Peoples R China
2.Ocean Univ China, Coll Fisheries, Qingdao, Peoples R China
关键词: Response surface methodology (RSM);Temperature;Salinity;Body size;Interaction;Specific grow rate (SGR);Food conversion rate (FCR)
期刊名称:AQUACULTURE ( 影响因子:4.242; 五年影响因子:4.723 )
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收录情况: SCI
摘要: Response surface methodology (RSM) was used to determine the optimum processing conditions that give maximum specific growth rate (SGR) and food conversion rate (FCR). Temperature (17-25 degrees C), salinity (19 parts per thousand-40 parts per thousand), and body size (10-500 g) were the factors investigated. Experiments were designed according to the Box-Behnken Design with these three factors. The result shows that the coefficient of determination (R-2 = 0.9991 for SGR and 0.9817 for FCR) and probability value (P<0.0001) show significance for the regression model. In addition, interactions between temperature-salinity, temperature-body size of fish, and temperature-body size of fish on the growth were significant (P< 0.05), and those of temperature-body size on feed utilization were significant (P < 0.05). The optimum conditions to obtain the maximum specific surface area of SGR and FCR were temperature 20.88 degrees C, salinity 24.07 parts per thousand, and body size 263.81 g, under which the maximal value reached 3.69%day(-1) and 0.869 respectively
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