Dietary Supplementation of Dormival and Lemon Oil to Improve Growth, Immune Functions, and Health Status of Nile Tilapia, Oreochromis niloticus, Juveniles Cultured Under High Density
antioxidantcapacity | Dormival | immune response | intensive aquaculture | lemon oil | phytogenic feed additives
Intensive aquaculture of ten exposes fish to crowding stress, impairinggrowthperformance andoverallphysiologicalstability.This
studyevaluatedtheeffectsofdietaryDormival(D)andlemonoil(LO)supplementationonthegrowthperformance,antioxidant
status,andimmuneresponseofNiletilapia(Oreochromisniloticus) juvenilesrearedunderhigh-densityconditionsfor42days.Sixdiets
weretested,includingcontrol,0.5% LO,0.2%–0.4% D,andtheircombinations.FishreceivingD,eitheraloneorwithLO,showed
significantlyhigherweightgain(WG),specific growthrate(SGR),andfeedefficiency(p <0:05)comparedwiththecontrol.Moderate
D inclusion(0.2%–0.4%) enhancedsurvival,antioxidantdefense(superoxidedismutase[SOD],glutathione[GSH],totalantioxidant
capacity[TAC]),andimmuneactivity(lysozyme,immunoglobulinM[IgM]).However,excessivesupplementation(0.4%D+0.5%LO)
increasedaspartateaminotransferase(AST)andmalondialdehyde(MDA),suggestingmildmetabolicstress.Proximatecomposition
indicatedhigherlipidandashwithelevatedDlevels.Overall,0.2% D, aloneorcombinedwith0.5% LO,effectivelymitigatedcrowding
stressandpromotedsuperiorgrowthandphysiologicalresilienceinNiletilapia.
Intensive aquaculture of ten exposes fish to crowding stress, impairinggrowthperformance andoverallphysiologicalstability.This
studyevaluatedtheeffectsofdietaryDormival(D)andlemonoil(LO…
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