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Defatted black soldier fly (Hermetia illucens) in pikeperch (Sander lucioperca) diets: Effects on growth performance, nutrient digestibility, fillet quality, economic and environmental sustainability

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Animal Nutrition 2023年第1期12卷 7-19页

作者： Vlastimil Stejskal Hung Quang Tran markéta.prokesová Mahyar Zare tatyana Gebauer Tomas Policar Christian Caimi Francesco Gai Laura Gasco University of South Bohemia in Ceske Budejovice Faculty of Fisheries and Protection of WatersSouth Bohemian Research Center of Aquaculture and Biodiversity of HydrocenosesHusova tr.458/10237005 CeskéBudějoviceCzech Republic University of Torino Department of AgriculturalForest and Food SciencesLargo P.Braccini 210095 GrugliascoItaly National Research Council Institute of Sciences of Food ProductionLargo P.Braccini 210095 GrugliascoItaly

The use of insect meal in aquafeed formulations has recently gained *** knowledge about the inclusion levels for pikeperch(Sander lucioperca),a promising candidate for intensive aquaculture in Europe remains,however,*** the present study,4 isoproteic(45%dry matter)and isoenergetic(21 MJ/kg)diets were formulated,including a control diet(H0)containing 30%fishmeal(FM)on an as-fed basis and the other 3 diets in which FM protein was replaced by defatted black soldier fly(Hemetia illucens)meal(HIM)at 25%,50%,and 100%(diet abbreviation H9,H18 and H36,corresponding to an inclusion level of 9%,18%and 36%,respectively).The feeding trial was performed in triplicate groups of 50 juvenile pikeperch(mean weight,68.7 g)fed with experimental diets for 84 d during which the growth performance,nutrient digestibility,fillet quality and economic and environmental sustainability of rearing pikeperch were *** findings indicated that pikeperch in H0,H9,and H18 groups displayed better results regarding growth performance indices,except for survival rate where no significant difference among groups was recorded(P?0.642).A significantly lower organ-somatic index,including hepatosomatic,viscerosomatic and perivisceral fat index,was found in fish in H18 groups than other groups(Ptary HIM negatively affected the protein and ash contents of the fish fillets,while the crude fat remained *** HIM did not significantly modify total saturated,monounsaturated and polyunsaturated fatty acids in the fillets of fed pikeperch(P>0.05)but did reduce total n-3 fatty acids(P?0.001)and increased total n-6(Ptal impacts associated with fish in-to-fish out ratio but entailed heavy burdens on e

关键词： Alternative feed Digestibility Fish in-to-fish out ratio Insect meal Percids Sustainability

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