Journal
ANNALS OF ANIMAL SCIENCE
Volume -, Issue -, Pages -Publisher
WALTER DE GRUYTER GMBH
DOI: 10.2478/aoas-2023-0051
Keywords
Aquafeed; DDGS; fish meal; soybean meal
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The aquafeed industry is facing challenges in reducing feed costs by replacing fish meal and soybean meal with lower-cost alternatives. One such alternative is dried distiller's grains with solubles (DDGS), a co-product of grain-based ethanol production. DDGS has high protein, fat, phosphorus, and yield, making it a promising replacement for fish meal or soybean meal.
The aquafeed industry faces many challenges, including reducing the cost of feed by reducing the quantity of fish meal and soybean meal and researching to replace them with other ingredients lower in cost. Furthermore, new low-cost feeds must improve growth and feed utilization while also ensuring fish health. During the past few decades, researchers have shown one of the low-cost and with appropriate nutritional value alternative protein sources to replace fish meal (FM) or soybean meal (SBM) is dried distiller's grains with solubles (DDGS). Recently, the production of grain-based ethanol as a fuel additive has been increasing as the demand for biofuel has increased, and lessening dependency on fossil fuels has resulted in a dramatic rise in the amount of grains used for ethanol. DDGS are the primary co-product of dry-grind fuel ethanol plants. DDGS has the advantages of having high protein, fat, phosphorus, yield, and low cost. These valuable particles attributed to DDGS have raised controversy amongst feed nutritionists as to how they can proficiently replace fish meal or soybean meal. It has been discovered that DDGS can be replaced with fish meal or soybean meal without affecting growth. Therefore, the present review discusses the effects of dietary DDGS application in the fish feed formulation, the best dietary presence, the possible advantages in fish health, nutrient retention, and the economic benefits of DDGS application in Aquafeeds.
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