Effects of Dietary Soy Isoflavones on Feed Intake,Growth Performance and Digestibility in Juvenile Japanese Flounder(Paralichthys olivaceus)

查看全文 作　　者：MAI [1]Kangsen;ZHANG [1]Yanjiao;CHEN [1]Wei;XU [1]Wei;AI [1]Qinghui;ZHANG [1]Wenbing

机构地区：[1]Key Laboratory of Aquaculture Nutrition and Feed,Ministry of Agriculture,and the Key Laboratory of Mariculture,Ministry of Education,Ocean University of China,Qingdao 266003,P.R.China

出　　处：《Journal of Ocean University of China》索引2012年第11卷第4期,共6页

基　　金：supported by the National Natural Science Foundation of China (No. 30371120);Modern Agro-industry Technology Research System (No. nycytx50-G07) 摘　　要：An 8-week feeding trial was conducted to investigate the effects of dietary soy isoflavones on feeding intake,growth performance,and digestion of juvenile Japanese flounder(Paralichthys olivaceus).Four isonitrogenous(49% crude protein) and isoenergetic(20.1 MJ kg-1) diets were formulated to contain four graded levels of soy isoflavones,namely,0,1,4 and 8 g soy isoflavones in 1 kg of diet.Each diet was randomly fed to triplicate tanks of fish(Initial average weight:2.58 g ± 0.01 g),and each tank was stocked with 35 fish.No significant difference was observed among diets with levels of 0,1 and 4 g kg-1 soy isoflavones in feed intake,weight gain,feed efficiency ratio(FER),proximate composition of fish whole body and apparent digestibility coefficients(ADC) of nutrients and energy(P>0.05).However,high dietary soy isoflavones level(8 g kg-1) significantly depressed weight gain,FER,whole-body crude lipid content of fish and ADC of nutrients(P<0.05).These results indicate that high level of dietary soy isoflavones(above 4 g kg-1) significantly depresses growth responses and FER of Japanese flounder.However,as the content of soy isoflavones in soybean meal is around 1 to 3 g kg-1,the adverse effects might be neglected when soybean products are used as a fish feed ingredient. 关键词：大豆异黄酮表观消化率生长性能青少年膳食牙鲆采食量水平梯度

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Effects of Dietary Soy Isoflavones on Feed Intake,Growth Performance and Digestibility in Juvenile Japanese Flounder(Paralichthys olivaceus)

参考文献(39)

引证文献(9)

耦合文献(207)

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