Growth, physiological and immune responses of Arapaima gigas (Arapaimidae) to Aeromonas hydrophila challenge and handling stress following feeding with immunostimulant supplemented diets

Publication date: January 2019Source: Fish & Shellfish Immunology, Volume 84Author(s): Marcia Kelly Reis Dias, Eliane Tie Oba Yoshioka, Anselmo Fortunato Ruiz Rodriguez, Ricardo Amaral Ribeiro, Fernando Sérgio Escócio Drummond Viana Faria, Rodrigo Otávio Almeida Ozório, Marcos Tavares-DiasAbstractThe current study tested the efficacy of a dietary immunostimulant additive (Aquate Fish™®) on the growth performance, and on the physiological and immune responses of Arapaima gigas. Two trials were carried out: a feeding trial for 30 days with the experimental diets and a challenge trial for 7 days, in which fish were bacterial challenge (Aeromonas hydrophila) following by 60 s handling stress. During the feeding trial, fingerlings were fed diets supplemented with 0 (control), 6, 9 and ...

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