In the quest to find suitable, cost effective, alternative ingredients to use in aquaculture feeds, results from a recent study conducted by the US Grains Council have shown that corn distillers dried grains with solubles (DDGS) is an economical and excellent source of energy and digestible nutrients in pangasius diets, the Global Aquaculture Advocate reports.
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| Image: Vince Smith |
Corn and corn co-products are economical and excellent dietary energy sources for various aquaculture species, but naturally contain xanthophylls (yellow pigment), which often causes concerns about adding these ingredients at relatively high dietary inclusion rates to diets for some fish species because of the potential “yellowing” of fillets. Achieving a desirable “white” fillet color is essential for meeting consumer preferences and to maintain these important export markets.
DDGS, co-product of ethanol
Corn DDGS is a co-product of ethanol production in the US, is produced in large quantities (> 35 MMT), and is used as an economical source of energy, digestible protein and amino acids, and digestible phosphorus in feeds for cattle, swine, poultry, and some aquaculture diets around the world. In 2015, about 12 MMT of DDGS were exported for use in various animal feeds. While the use of DDGS in aquaculture diets has been limited, its use has been increasing rapidly but it is still an unfamiliar feed ingredient for much of the global aquaculture industry. One of the major reasons for the limited use of DDGS until now is that a limited number of research studies have been published to evaluate DDGS use in various aquaculture diets.
Read the full article HERE.
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