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首页> 外文期刊>Aquaculture Nutrition >Effect of dietary inclusion of various plant ingredients as an alternative for Sargassum thunbergii on growth and body composition of juvenile sea cucumber Apostichopus japonicus
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Effect of dietary inclusion of various plant ingredients as an alternative for Sargassum thunbergii on growth and body composition of juvenile sea cucumber Apostichopus japonicus

机译:日粮中添加多种植物成分作为黑藻的替代物,对少年刺参生长和身体成分的影响

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Two feeding experiments were conducted to investigate the effects of dietary inclusion of different plant ingredients on growth and body composition of juvenile sea cucumber. In the first experiment, three replicate groups of the sea cucumber (average weight of 1.5?±?0.05?g) were fed one of the seven experimental diets containing Sargassum thunbergii (CON), Undaria (UND), Laminaria (LAM), Brassica oleracea L. var. capitata (BRA), fermented soybean (FSB), distillers dried grain (DDG) and rice straw powder (RIC) for 10?weeks. After the feeding trial, survival was not significantly different among the dietary treatments. Specific growth rate (SGR) of sea cucumber fed the FSB diet (0.73) was significantly higher than that of sea cucumber fed the other diets (P??0.05). The best SGR was obtained in sea cucumber fed the DDG10 diet (10.1) and the value of sea cucumber fed the DDG40 diet (5.6) was the lowest (P??0.05). Moisture, crude protein, crude lipid and ash contents of whole body in sea cucumber among the dietary treatments (P?>?0.05) did not differ significantly at both experiments. Results of two feeding trial suggest that dietary inclusion with 100?g?kg?1 FSB or 100–200?g?kg?1 DDG may improve growth of juvenile sea cucumber, and especially DDG could be used as a good ingredient for the low-cost feed formulation.
机译:进行了两个饲养实验,以研究日粮中添加不同植物成分对少年海参生长和身体组成的影响。在第一个实验中,向三个重复的海参组(平均重量为1.5?±?0.05?g)喂食七个实验性日粮中的一种,这些日粮中有海藻(Sargassum thunbergii,CON),Undaria(UND),Laminaria(LAM),芸苔甘蓝人均(BRA),发酵大豆(FSB),酒糟(DDG)和稻草粉(RIC)的使用时间为10周。喂养试验后,饮食治疗之间的生存期无显着差异。饲喂FSB日粮的海参的比生长率(SGR)(0.73)显着高于饲喂其他日粮的海参(P 0.05),而DDG日粮除外(0.64)。饲喂CON日粮的海参中SGR最低(0.14)。根据第一个实验的结果,进行了第二个实验,以确定适合青少年海参生长的日粮DDG水平。向三个重复组的海参(平均重量为1.6?±?0.02?g)喂饲五种含有不同水平(g?kg ?1 )DDG(DDG0,DDG10, DDG20,DDG30和DDG40),持续12周。各治疗之间的存活率无显着差异(P≥0.05)。饲喂DDG10日粮的海参的最佳SGR(10.1),饲喂DDG40日粮的海参的价值最低(5.6)(P <0.05)。饲喂DDG10日粮的海参的SGR与饲喂DDG20日粮的海参的SGR没有差异(P≥0.05)。日粮中海参体内水分,粗蛋白,粗脂和灰分含量均无统计学意义(P> 0.05),两次实验均无显着性差异。两项饲喂试验的结果表明,饮食中添加100?g?kg ?1 FSB或100–200?g?kg ?1 DDG可以改善少年海参的生长,尤其是DDG可用作低成本饲料配方的良好成分。

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