☆ 4.7 Article

Production performance and non-specific immunity of cage-raised red drum, Sciaenops ocellatus, fed soybean-based diets

AQUACULTURE (2015)

期刊

AQUACULTURE

卷 443, 期 -, 页码 84-89

出版社

ELSEVIER SCIENCE BV

DOI: 10.1016/j.aquaculture.2015.03.012

关键词

Red drum; Sciaenops ocellatus; Non-specific immunity; Soybean; Fishmeal; Aquaculture

类别

Fisheries Marine & Freshwater Biology

资金

National Oceanic and Atmospheric Administration under the Sea Grant Aquaculture Research Grant Program [NA100AR4170099]

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Protocol

Reagent

摘要

A 15-week feeding trial was conducted to evaluate the replacement of fishmeal (FM) with soybean products (SP) in the diet of advanced juvenile red drum, Sciaenops ocellatus. Two dehulled, hexane-extracted SP were evaluated: commodity soybean meal [SBM; 48% crude protein (CP)] and Navita 3010 [N-3010; produced from non-genetically modified, selectively bred varieties; 54% CP]. The additive effect of a prebiotic (GroBiotic (R)-A; GBA) on the overall performance of red drumalso was evaluated. All diets were formulated to contain 35% digestible protein (DP), 15% lipid, and an estimated 3.5 kcal DE kg(-1). The reference diet was formulated to contain 44.6% Special Select (R) menhaden FM and 15.0% corn protein concentrate (CPC). Three test diets (SBM, SBM+GBA, and N-3010) were formulated to contain 6.0% FM and 15.0% CPC, together providing approximately 38% of the dietary DP. The remaining 62% DP was provided by 5.7-5.8% soy protein concentrate (SPC) and the specific SP treatment. Diets were fed to apparent satiation to advanced juvenile red drum (mean+/-SD=68+/-5.1 g initial weight) in each of four replicate 1-m(3) floating-cages. After 15 weeks of feeding, no significant differences were found among treatments for all growth performance and non-specific-immunity parameters evaluated. Based on these results, SBM or N-3010 in combination with SPC can replace approximately 86% of the DP provided by FM in the diet without negatively affecting production performance and health status of advanced juvenile red drum. (C) 2015 Elsevier B.V. All rights reserved.

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