期刊
AQUACULTURE
卷 362, 期 -, 页码 28-32出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.aquaculture.2012.07.022
关键词
Inulin; Prebiotic; Litopenaeus vannamei; WSSV; Phenoloxidase
资金
- 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
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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