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Title

Short-term dietary histidine, threonine and tryptophan supplementation in fishmeal-free diets, affects immune status in gilthead seabream (Sparus aurata) juveniles

AuthorsRamos-Pinto, L.; Manchado, Manuel; Azeredo, Rita; Reis, D. B.; Pérez-Sánchez, Jaume ; Calduch-Giner, Josep A. ; Martos-Sitcha, Juan Antonio ; Engrola, Sofía; Conceição, Luis E. C.; Dias, Jorge; Silva, T. S.; Costas, Benjamín
Issue Date17-Oct-2017
CitationAquaculture Europe 17 (2017)
AbstractIn the last decade, many studies have focused on improving aquafeeds with the purpose of reducing the inclusion level of fishmeal (FM), replacing it with vegetable proteins. A major concern is that this can lead to feeds with imbalanced amino acid (AA) profiles, impairing feed conversion rates and immune response of farmed fish (Conceição et al. 2012). These deficiencies, often marginal, may be restored by supplementing feeds with crystalline AA to achieve a desirable metabolic efficiency, growth performance, and/or health status (Li et al., 2009). Histidine and its derivatives act as antioxidants or can mitigate the impact of oxidative stress (Bellia et al., 2008). Threonine is involved in many physiological and biochemical processes, including immune functions. Tryptophan is a versatile AA being a precursor to produce bioactive molecules and neurotransmitters such as serotonin, kynurenine and melatonin (Li et al., 2009), which affect the immune system. The present studied aimed to explore the effects of the inclusion of a combination of these three essential amino acids on gilthead seabream growth and immune status, in the context of a challenging fishmeal-free basal formulation.
DescriptionTrabajo presentado en Aquaculture Europe 17, celebrado en Dubrovnik (Croacia), del 17 al 20 de octubre de 2017
URIhttp://hdl.handle.net/10261/191287
Appears in Collections:(IATS) Comunicaciones congresos
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