Evaluation of dietary yeast derived mannan oligosaccharide for pacific whiteleg shrimp Penaeus vannamei: Effects on growth performance, immune response, hepatopancreas morphology and resilience to infection against Vibrio parahaemolyticus

What is it about?

to evaluate the effect of YM supplementing the low fish meal-based diet at 0.2; 0.4; 0.6 and 0.8 % in Vannamei diets by assessing the growth performance and feed utilisation. Additionally, we conducted a subsequent pathological challenge trial to evaluate the effect of YM on the survival, immune responses and hepatopancreatic histomorphological condition of shrimp before and after being challenged by Vibrio parahaemolyticus under controlled exposure. The findings from this research might provide useful information on the formulation of economical and functional diets for P. vannamei.

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Why is it important?

this current study with P. vannamei and scientific evidence supports incorporating yeast-based products into shrimp diets, improve the biomass yield and immune function against Vibrio parahaemolyticus.