Lipid extracted distillers dried grains with solubles (LE-DDGS) as a partial replacement for soybean meal in hybrid tilapia (Oreochromis niloticus×O. aureus) diets

Feed costs are primarily driven by the cost of protein sources in the feed. Substitution of expensive protein sources with lower cost ingredients would potentially reduce feed cost. Lipid-extracted distillers dried grains with solubles (LE-DDGS) is a relatively new product of distillers dried grains...

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Bibliographic Details
Published in:Aquaculture 2016-06, Vol.459, p.131-136
Main Authors: Chatvijitkul, Sirirat, Davis, D. Allen, Lim, Chhorn E.
Format: Article
Language:English
Subjects:
Alternative protein sources
Aquaculture
Brackish
Distillers dried grains
Hybrid tilapia
Lipids
Nutrient retention
Oreochromis aureus
Oreochromis niloticus
Proteins
Soybean meal
Soybeans
Tilapia
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Summary:Feed costs are primarily driven by the cost of protein sources in the feed. Substitution of expensive protein sources with lower cost ingredients would potentially reduce feed cost. Lipid-extracted distillers dried grains with solubles (LE-DDGS) is a relatively new product of distillers dried grains with solubles (DDGS) which could be used as an alternative protein source in tilapia feed formulations. Two growth trials were conducted to evaluate the substitution of soybean meal with LE-DDGS in practical diets for hybrid tilapia (Oreochromis niloticus×Oreochromis aureus). The first trial evaluated five levels of LE-DDGS (0, 200, 300, 400 and 500gkg−1) in a practical diet containing 360gkg−1 protein and 60gkg−1 lipid. The result indicated that increasing levels of LE-DDGS generally resulted in a reduced growth of hybrid tilapia with a significant (P
ISSN:0044-8486
1873-5622
DOI:10.1016/j.aquaculture.2016.03.023