Effects of dietary organic acid supplementation on the growth, nutrient digestibility and intestinal histology of the giant grouper Epinephelus lanceolatus fed a diet with soybean meal

The purpose of this study was to evaluate the effects of dietary organic acid (butyrate and lactate) supplementation on the growth, nutrient digestibility and intestinal histology of the giant grouper Epinephelus lanceolatus that was fed a diet containing soybean meal. The diet that included soybean...

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Bibliographic Details
Published in:Aquaculture 2017-02, Vol.469, p.106-111
Main Authors: Lin, Yu-Hung, Cheng, Ming-Yu
Format: Article
Language:English
Subjects:
Digestibility
Epinephelus lanceolatus
Giant grouper
Marine
Organic acid
Soybean meal
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Summary:The purpose of this study was to evaluate the effects of dietary organic acid (butyrate and lactate) supplementation on the growth, nutrient digestibility and intestinal histology of the giant grouper Epinephelus lanceolatus that was fed a diet containing soybean meal. The diet that included soybean meal, which replaced 40% fish meal protein, was used as the control. One percent butyrate and lactate were added to the control diet to form the two experimental diets. Also, the all fish meal diet without organic acid was also included for comparison. A total of four experimental diets were each fed to three groups of giant grouper (initial wt: 17.37±0.18g) in a recirculating rearing system for 8weeks. After the growth trial, the nutrient digestibility by the fish was determined by using 0.5% chromic oxide as an inert indicator. The fish fed the all fish meal diet gained more (P
ISSN:0044-8486
1873-5622
DOI:10.1016/j.aquaculture.2016.11.032