Evaluation of Aloe vera by-product against cereals in feeds for golden mullet (Liza aurata)

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