首页> 外文期刊>Turkish Journal of Fisheries & Aquatic Sciences >Effects of Ulva Meal on Growth Performance of Gilthead Seabream (Sparus aurata) at Different Levels of Dietary Lipid
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Effects of Ulva Meal on Growth Performance of Gilthead Seabream (Sparus aurata) at Different Levels of Dietary Lipid

机译:膳食粉对不同日粮脂质对金头鲷(Sparus aurata)生长性能的影响

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摘要

A nutrition trial was carried out to investigate the effects of inclusion of Ulva meal at different dietary lipid levels on growth performance, feed utilization and body composition of juvenile gilthead seabream, Sparus aurata. In this study, gilthead seabream with an average weight of 8.5 +/- 0.01 g were fed experimental diets for 7 weeks. The Eight isonitrogenous diets (crude protein 50%) were designed to provide 13% (13), 16% (16), 19% (19) and 22% (22) crude lipid with or without 4% inclusion of Ulva meal (13U, 16U, 19U and 22U). Final mean weight and specific growth rate (SGR) of gilthead seabream fed 22L-U were higher than that of 13L and 13L-U groups. The mean feed conversion ratio varied from 0.92 (22L-U) and 1.33 (13L and 13L-U). The present study shows that dietary low level (4%) Ulva meal at all dietary lipid levels could be used in juvenile gilthead seabream without causing any adverse effects on growth and feed utilization.
机译:进行了一项营养试验,研究了在不同饮食脂质水平下掺入Ulva粕对少年金头鲷(Sparus aurata)的生长性能,饲料利用率和身体成分的影响。在这项研究中,平均体重为8.5 +/- 0.01 g的金头鲷被喂食了7周的实验性饲料。八种等氮饮食(粗蛋白50%)旨在提供13%(13),16%(16),19%(19)和22%(22)的粗脂,含或不含4%的乌尔瓦粉(13U) ,16U,19U和22U)。饲喂22L-U的金头鲷的最终平均体重和比生长率(SGR)高于13L和13L-U组。平均饲料转化率在0.92(22L-U)和1.33(13L和13L-U)之间变化。本研究表明,在所有日粮脂质水平下,低水平(4%)Ulva膳食均可用于少年鱼的鲷鱼,而不会对生长和饲料利用造成不利影响。

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