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首页> 外文期刊>Fisheries science >Role of taurine deficiency in inducing green liver symptom and effect of dietary taurine supplementation in improving growth in juvenile red sea bream Pagrus major fed non-fishmeal diets based on soy protein concentrate
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Role of taurine deficiency in inducing green liver symptom and effect of dietary taurine supplementation in improving growth in juvenile red sea bream Pagrus major fed non-fishmeal diets based on soy protein concentrate

机译:牛磺酸缺乏症在诱导绿肝症状中的作用以及日粮牛磺酸的添加对改善以大豆蛋白浓缩物为食的非鱼粉幼鱼的主要研究

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摘要

This study was conducted to investigate the mechanism of green liver symptom induction and the effect of dietary taurine supplementation on growth performance in juvenile red sea bream fed non-fishmeal diets based on soy protein concentrate (SPC). Juvenile fish (initial BW 72?g) were fed for 20?weeks on SPC diets supplemented with taurine at levels of 0, 1.0, and 2.0%. In the taurine-unsupplemented SPC diet group, specific growth rate (SGR) and feed conversion ratio (FCR) were significantly inferior (P?
机译:本研究旨在研究以大豆蛋白浓缩物(SPC)为食的红鲷鱼幼鱼的绿肝症状诱发机制以及日粮牛磺酸补充对生长性能的影响。幼鱼(初始体重为72微克)在补充了牛磺酸的SPC饲料中分别饲喂20周,分别为0%,1.0%和2.0%。在不补充牛磺酸的SPC饮食组中,特定生长率(SGR)和饲料转化率(FCR)明显较差(P 0.001),并且在70%的鱼中观察到绿肝的发生率。在该组中,肝胰脏和血浆牛磺酸浓度最低(P 0.05),胆汁色素的肝胰脏含量最高(P 0.05),并且红细胞的渗透耐受性较差(P 0.05)。饮食治疗组。所有治疗组的血清渗透压均处于相似水平。补充牛磺酸可改善这些生理异常以及SGR和FCR。这些结果表明,由于饮食中牛磺酸缺乏引起红细胞的渗透性脆弱,导致溶血增加,导致绿色肝症状的诱导机制是胆色素过多。补充SPC饮食中的牛磺酸对维持正常的生理状况和红鲷鱼的生长性能至关重要。

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