The treatment with the probiotic Shewanella putrefaciens Pdp11 of sepecimens of Solea senegalensis exposed to high stocking densities to enhance their resistance to disease
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AuthorsTapia-Paniagua, S.; Vidal, S.; Lobo, C.; Prieto-Álamo, M.J.; Jurado, J.; Cordero, H.; Cerezuela, R.; García-de-la-Banda, I. (Inés); Esteban, M.A.; Balebona, M.C.; Moriñigo, M.A.
Aquaculture industry exposes ﬁsh to acute stress events, such as high stocking density, and a link between stress and higher susceptibility to diseases has been concluded. Several studies have demonstrated increased stress tolerance of ﬁsh treated with probiotics, but the mechanisms involved have not been elucidated. Shewanella putrefaciens Pdp11 is a strain isolated from healthy gilthead seabream (Sparus aurata L.) and it is considered as probiotics. The aim of this study was to evaluate the effect of the dietary administration of this probiotics on the stress tolerance of Solea senegalensis specimens farmed under high stocking density (PHD) compared to a group fed a commercial diet and farmed under the same conditions (CHD). In addition, during the experiment, a natural infectious outbreak due to Vibrio species affected ﬁsh farmed under crowding conditions. Changes in the microbiota and histology of intestine and in the transcription of immune response genes were evaluated at ...
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