Phytobiotics blend as a dietary supplement for Nile tilapia health improvement

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dc.contributor.authorEstaiano de Rezende, Renata Antunes
dc.contributor.authorSoares, Michelly Pereira [UNESP]
dc.contributor.authorSampaio, Fernanda Garcia
dc.contributor.authorCardoso, Israel Luz [UNESP]
dc.contributor.authorIshikawa, Márcia Mayumi
dc.contributor.authorLima Dallago, Bruno Stéfano
dc.contributor.authorRantin, Francisco Tadeu [UNESP]
dc.contributor.authorTeixeira Duarte, Marta Cristina
dc.contributor.institutionUniversidade Estadual de Campinas (UNICAMP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionEmpresa Brasileira de Pesquisa Agropecuária (EMBRAPA)
dc.contributor.institutionUniversity of Brasília
dc.date.accessioned2021-06-25T11:00:35Z
dc.date.available2021-06-25T11:00:35Z
dc.date.issued2021-07-01
dc.description.abstractFunctional additives of natural origin included as dietary supplements have become an alternative to synthetic antibiotics to improve health and resistance to ecologically correct pathogenic diseases in fish farming. We tested whether incorporating a mixture of phytobiotics such as volatile oils of thyme, red thyme and pepper rosemary into the diet improves growth performance, oxidative stress, immune and hematological responses and resistance of juvenile Nile tilapia when subjected to a challenge with Aeromonas hydrophila compared to a synthetic antibiotic (enrofloxacin). The experimental design was completely randomized with three experimental groups: control diet, diets containing a mixture of thyme phytobiotic essential oils, red thyme and pepper rosemary (FTB) and the synthetic antibiotic enrofloxacin (ATB), with four replicates (14 fish per repetition/experimental unit). Plasma glucose levels, leukocyte respiratory activity, serum lysozyme levels, number of circulating erythrocytes and leukocytes, levels of lipid peroxidation (LPO), catalase (CAT) and glutathione S-transferase (GST) activity at the end of 20 days of feeding (phase) were evaluated and 24 h after exposure to bacteria (phase II). The supplementation of FTB and ATB did not change the performance parameters, but it was sufficient to increase lysozyme, leukocytes, neutrophils and monocytes after the bacterial challenge, reduction of CAT and LPO activity and the highest GST activity (P < 0.05). The results of the present study suggest that FTB as a dietary supplement has benefits and can replace synthetic ATB, including supplementation with FTB for 20 days to provide greater antioxidant protection in Nile tilapia, mitigate the impacts of stressors and modulate immunity, providing to fish greater resistance and protection against diseases.en
dc.description.affiliationChemical Biological and Agricultural Pluridisciplinary Research Center (CPQBA) Campinas State University (UNICAMP)
dc.description.affiliationJoint Graduate Program in Physiological Sciences Federal University of São Carlos-UFSCar/São Paulo State University UNESP Campus Araraquara
dc.description.affiliationEmbrapa Environment Brazilian Agricultural Research Corporation (EMBRAPA), Rod. SP 340, Km 127,5, Caixa Postal 69
dc.description.affiliationLaboratory of Animal Welfare Faculty of Agronomy and Veterinary Medicine University of Brasília
dc.description.affiliationUnespJoint Graduate Program in Physiological Sciences Federal University of São Carlos-UFSCar/São Paulo State University UNESP Campus Araraquara
dc.description.sponsorshipCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipIdFAPESP: 001
dc.description.sponsorshipIdFAPESP: 2013/11981-2
dc.format.extent293-300
dc.identifierhttp://dx.doi.org/10.1016/j.fsi.2021.05.010
dc.identifier.citationFish and Shellfish Immunology, v. 114, p. 293-300.
dc.identifier.doi10.1016/j.fsi.2021.05.010
dc.identifier.issn1095-9947
dc.identifier.issn1050-4648
dc.identifier.scopus2-s2.0-85106346000
dc.identifier.urihttp://hdl.handle.net/11449/207764
dc.language.isoeng
dc.relation.ispartofFish and Shellfish Immunology
dc.sourceScopus
dc.subjectAntibiotic enrofloxacin
dc.subjectBacterial challenge
dc.subjectEssential oils
dc.subjectHerbal immunostimulants
dc.subjectOxidative stress
dc.titlePhytobiotics blend as a dietary supplement for Nile tilapia health improvementen
dc.typeArtigo
unesp.author.orcid0000-0002-6511-9454[3]
unesp.author.orcid0000-0003-4883-1076[6]
unesp.author.orcid0000-0002-3697-278X[7]

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