饲料蛋白水平对宝石鲈生长和体组成影响研究
EFFECT OF DIETARY PROTEIN LEVELS ON GROWTH PERFORMANCE AND BODY COMPOSITION OF JADE PERCH SCORTUM BARCOO
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摘要: 选择体重一致、健康无病、初始体重104.13±0.46g宝石鲈105尾,随机分为5组,每组3重复,分别喂以蛋白水平为23.64%、28.45%、33.50%、3.04%和41.62%的等能颗粒饲料(以白鱼粉为蛋白源),在15口水泥池中控温养殖8周,研究饲料蛋白水平对宝石鲈生长和体组成的影响.饲养试验结果表明:饲料蛋白水平为33.50%时,宝石鲈的增重率最大,与饲料蛋白水平23.64%组相比差异极显著(P0.05).试验不同组间鱼体肥满度、肝体指数、蛋白质净利用率和饵料系数没有显著差异(P>0.05).通过增重率的折线法分析结果表明,宝石鲈获得最佳增重率的饲料蛋白需要量为33.94%.饲料蛋白水平对鱼体组成和肌肉成分研究表明,饲料蛋白水平为33.50%时鱼体蛋白含量最高,与蛋白水平23.64%组相比,差异极显著(P0.05).Abstract: The effects of dietary protein levels on growth performance and body composition of jade perch were investigated by using white fishmeal as a protein source in pellet feeds.105 jade perch with initial body weight 104.13±0.46g was used in 8-week growth trial.All the test fish were divided into 5 groups with triplicates,which were cultured in 15 concrete tanks at 24±1℃ and fed 5 isoenergic diets containing different protein levels(23.64%,28.45%,33.50%,37.04%,41.62%).The results showed that increase weight rate at 33.50%dietary protein was the highest,which were very significantly (P0.05).
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Keywords:
- Jade perch /
- Dietary crude protein /
- Growth performance /
- Body composition
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composition of juvenile Zacco barbata[J].Aquaculture,1998,167:35-42[2] Olevera-Novoa M A,Gasca-Leyva E,Ray H E.The dietary protein requirements of Cichlasoma synspolum Hubbs fry[J].Aquacult.Cult.Res,1996,27:167-173[3] Adrian E,Shim K F.Growth response of juvenile Barbodes altus fed isocaloric diets with variable protein levels[J].Aquaculture,1997,158:321-329[4] Aksnes A,Hjertnes T, Opstvedt J.Effect of dietary protein level on growth and carcass composition in Atlantic halibut(Hippoglossus hippoglossus L.)[J].Aquaculture,1996,145:225-233[5] Jose M V,Fernandez-Palacios H,Marje H E,et al.The effects of varying dietary protein level on the growth, feed efficiency, protein utilization and body composition of gilthead sea bream fry[J].Fish.Sci,1996,62:620-623[6] Das I,Ray A K.Growth response and feed conversion efficiency in Cirrhinus mrigala(Ham) fingerlings at varying protein levels[J].J.Aqua.Trop,1991,6:179-185[7] Santinha P J M,Gomes E F S,Sajem Y Y J,et al.Effects of protein level of the diet on digestibility and growth of gelthead sea bream Sparus auratus[J].Aquacult.Nutr,1996,2:81-87[8] Engin K.Carter C G.Ammonia and urea excretion rates of juvenile red drum(Sciaenops ocellatus)[J].Aquaculture,2001,53:243-252[9] Tibbetts S M,Lall SP, Anderson D M.Dietary protein requirement of juvenile American eel(Anguilla rostrata)fed practical diets[J].Aquaculture,2000,186:145-155[10] Lochmann R T,Phillips.H.Dietary protein requirement of juvenile golden shiners(Notemigonus crysoleucas)and goldfish(Carassius auratus)in aquaria[J].Aquaculture,1994,128:277-285[11] Brecha B J,Kohler C C,Swanson P.Effects of dietary protein concentration on growth,survival and body concentration of muskellunge Esox masquinongy and tiger muskellunge E.maquinongy譋.lucis fingerlings[J].J.World Aquaculture,1995,119:265-271[12] Clark A E,Watanabe W O,Ahmed H,et al.Growth,feed conversion and protein utilization of Florida red tilapia fed isocaloric diets with different protein levels in seawater pools[J].Aquaculture,1990,88:75-85[13] Arzel J,Metailler R,Kerleguer C,et al.The protein requirement of brown trout(Salmo trutta)fry [J].Aquaculture,1995,130:67-68[14] Khan M S,Ang K J,Kohl H G,et al.Optimum dietary protein requirement of a Malaysian freshwater catfish,Mystus nemurus[J].Aquaculture,1993,112:227-235[15] Chen H Y, Tsai J C,Su M S,et al.Optimal dietary protein level for the growth of juvenile grouper,Epinephelus malabaricus,fed semi-purified diets[J].Aquaculture,1994,119:265-271[16] Shiau S Y, Lan C W.Optimal dietary protein level and protein to energy ratio for growth of grouper(Epinephelus malabaricus)[J].Aquaculture,1996,145:259-266[17] Shearer K D.Factors affecting the proximate composition of cultured fishes with emphasis on salmonids[J].Aquaculture,1994,119:63-88
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