Spirulina (Arthrospira platensis) supplementation improves growth performance, feed utilization, immune response, and relieves oxidative stress in Nile tilapia (Oreochromis niloticus) challenged with Pseudomonas fluorescens

One hundred and eighty Nile tilapia fish were used in eighty-three-day growth trial. Fish were divided into three treatment groups. The first group T0 was given the basal diet without any supplementation and served as the control group. The second group T1 was given the basal diet supplemented by 1%...

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Veröffentlicht in:Fish & shellfish immunology Jg. 72; S. 291 - 300
Hauptverfasser: Mahmoud, Manal M.A., El-Lamie, Maather M.M., Kilany, Omnia E., Dessouki, Amina A.
Format: Journal Article
Sprache:Englisch
Veröffentlicht: England Elsevier Ltd 01.01.2018
Schlagworte:
Arthrospira platensis
catalase
Cytokines
diet
feed conversion
fish
fluorescence
Growth performance
Hematology
histopathology
Immune assay
immune response
interleukin-10
interleukin-1beta
lysozyme
mortality
Nile tilapia
Oreochromis niloticus
Oxidative stress
Pseudomonas fluorescens
Spirulina
superoxide dismutase
tumor necrosis factor-alpha
virulent strains
Oxidative stress
Spirulina
Hematology
Cytokines
Pseudomonas fluorescens
Nile tilapia
Growth performance
Immune assay
ISSN:1050-4648, 1095-9947, 1095-9947
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Zusammenfassung:One hundred and eighty Nile tilapia fish were used in eighty-three-day growth trial. Fish were divided into three treatment groups. The first group T0 was given the basal diet without any supplementation and served as the control group. The second group T1 was given the basal diet supplemented by 1% Spirulina. The third group T2 was given the basal diet supplemented by 2% Spirulina. At the end of the growth performance trial, a challenge trial was conducted using virulent strain of Pseudomonas fluorescens. Clinical signs, mortalities, postmortem lesions and histopathological alterations were recorded. Hematological, biochemical, oxidative stress and immunological parameters were measured after challenge with Pseudomonas fluorescens. Growth performance was non significantly improved in tilapia fed the diet with 1% Spirulina supplementation (T1). There were neither signs nor mortalities among fishes belonging to 1% Spirulina challenged group. The results showed that Spirulina has a positive effect on hematological, biochemical parameters, MDA, SOD and CAT at T1 (1% spirulia) rather than T2 (2%spirulia). Moreover, the results indicate that Spirulina 1% enhanced bactericidal, phagocytic and lysozyme activities conferring protection against infection. Our results demonstrated a significant up-regulation of pro-inflammatory cytokine (IL-1β and TNF-α) and a down-regulation of anti-inflammatory cytokine (IL-10). We concluded that 1% Spirulina supplementation significantly improved immunity of Nile tilapia against Pseudomonas fluorescence than 2% Spirulina supplementation. •1% Spirulina supplementation improved immunity of Nile tilapia than 2% Spirulina supplementation.•1% Spirulina could result in 100% protection, against Pseudomonas fluorescens infection.•1% Spirulina relieves oxidative stress in Nile tilapia challenged with Pseudomonas fluorescens.
Bibliographie:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1050-4648
1095-9947
1095-9947
DOI:10.1016/j.fsi.2017.11.006