Journal
AQUACULTURE
Volume 362, Issue -, Pages 28-32Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.aquaculture.2012.07.022
Keywords
Inulin; Prebiotic; Litopenaeus vannamei; WSSV; Phenoloxidase
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Funding
- Consejo Estatal de Ciencia y Tecnologia del Estado de Sinaloa (CECyT-Sinaloa)
- Secretaria de Investigacion y Posgrado del Instituto Politecnico Nacional (SIP-IPN)
- CONACYT Mexico
- SIP-IPN
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The effect of inulin on growth performance, survival, lactic acid bacteria (LAB) in the gut, WSSV prevalence, and immune response of Litopenaeus vannamei was evaluated under laboratory conditions. Inulin was sprayed onto feed at 0, 1.25, 2.5, 5.0, and 10 g kg feed(-1). Two bioassays, performed with treatments in triplicate, were conducted for 62 and 73 days, respectively. Feed supplemented with inulin did not improve growth, survival, and LAB in shrimp. However, inulin decreased the prevalence of WSSV in treated shrimp. The prebiotic significantly increased the phenoloxidase activity, but hemocyte number was not affected. Inulin increases the phenoloxidase activity in L. vannamei and, at concentrations of 2.5 and 5.0 g kg feed (1), is a good feed additive against WSSV in shrimp with low viral load. (c) 2012 Elsevier B.V. All rights reserved.
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