Among of the actual challenges for the sustainable aquaculture development are to lower the trophic level of the cultured species, and to increase the use of by-products from the primary sector. The golden mullet (Liza aurata) is a marine low trophic level consumer present in the Mediterranean and in the Canary Islands, where there was a significant consumption in the past. On the other hand, Aloe vera plant, which production in Canary Islands is highly world representative, contains more than 70 biologically active components which have aroused the interest for its use in aquaculture, although the enormous quantity of the generated by-products has no use at all, and has never been tested for aquaculture purposes. The objective of this study was to run the first controlled feeding test with Liza aurata in the Canary Islands, as a target species to promote its cultivation, and to evaluate the use of pure Canarian Aloe vera against different levels of the by-product, to determine the effects in growth, health, and quality parameters. Therefore, 5 diets were formulated to contain 0% of aloe inclusion (diet control), 2% of pure form of aloe (diet P2), and 2, 4 and 6% of aloe by-product (diets BP2, BP4 and BP6). At 91 days of feeding, growth, proximal and fatty acid composition of liver, muscle and whole body, serum lysozyme, serum antibacterial activity, and malonaldheyde content of liver and whole body, were measured. According to obtained results, up to 6% of the aloe by-product could be included in diets for this species, without any rejections in growth or quality parameters, although no improved results compared to the control fish could be observed. Further studies are on the way to determine the sustainability and bioeconomic impact of present results, to gain knowledge on their direct industrial applications.

可持续水产养殖发展面临的实际挑战之一是降低养殖物种的营养水平，并增加对第一产业副产品的利用。鱼（Liza aurata）是地中海和加那利群岛（过去曾大量食用）的海洋低营养水平消费者。另一方面，芦荟加那利群岛的植物具有举世瞩目的代表性植物，其中包含70多种生物活性成分，这引起了人们对其在水产养殖中的使用的兴趣，尽管产生的大量副产品根本没有使用，而且从未使用过。经过水产养殖测试。这项研究的目的是对加纳利群岛的Liza aurata（作为促进其种植的目标物种）进行首次受控喂养试验，并评估纯加那利芦荟的使用针对副产物的不同水平，以确定对生长，健康和质量参数的影响。因此，配制了5种饮食，使其含有0％的芦荟包合物（饮食控制），2％的纯形式芦荟（饮食P2）以及2、4和6％的芦荟副产品（饮食BP2，BP4和BP6）。 。在喂养的第91天，测量肝脏，肌肉和全身的生长，近端和脂肪酸组成，血清溶菌酶，血清抗菌活性以及肝脏和全身的丙二醛含量。根据获得的结果，尽管没有观察到与对照鱼相比有改善的结果，但该物种的日粮中最多可包含6％的芦荟副产品，而不会增加生长或质量参数。目前正在进行进一步研究，以确定当前结果的可持续性和生物经济影响，