Abstract This study appraised the growth performance of juvenile spotted scat when fed diets supplemented with Ulva sp. Seven isonitrogeneous and isocaloric diets with different levels of supplementation with Ulva sp. at 0 (control), 5, 10, 15, 20, 25 and 30% were fed to 420 fish, weighing 0.49 ± 0.11 g. The diets were fed to triplicate groups of fish twice a day to apparent satiation for 10 weeks. The results showed that fish fed the diets with 5 and 10% seaweed demonstrated the highest mean WG and SGR (P .05). Fish fed the control diet and that containing 5% Ulva sp. showed a lower rate of FI than fish fed diets containing 10–30% (P .05) FCE although it was higher for those diets than for the fish fed the control diet and that supplemented with 30% Ulva sp. (P

中文翻译：

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使用膳食补充海藻 (Ulva sp.) 刺激幼年斑点粪便 (Scatophagus argus Linnaeus, 1766) 的采食量

摘要 本研究评估了在饲喂补充有石莼属的日粮时幼年斑点粪便的生长性能。七种异氮和等热量饮食，添加不同水平的石莼属。在 0（对照）、5、10、15、20、25 和 30% 时，将 5%、10%、25% 和 30% 喂给 420 条鱼，重 0.49 ± 0.11 g。每天两次将饲料喂给三组鱼，以达到明显的饱腹感，持续 10 周。结果表明，喂食含有 5% 和 10% 海藻的饲料的鱼表现出最高的平均 WG 和 SGR (P < .05)。鱼喂食对照饮食和含有 5% Ulva sp。显示 FI 率低于含有 10-30% (P = .05) FCE 的鱼饲料，尽管这些饲料的 FI 高于对照饲料和补充 30% Ulva sp. 的鱼。(P