Microbial biomass as an antioxidant for tilapia feed

Magnani Grassi, Thiago Luis and Oliveira, Dayse Licia and Paiva, Natalia Mingues and Pereira Diniz, Juliana Campos and Bosco, Anelise Maria and Ferreira Pereira, Ariana Aparecida and Pinatti Menezes, Amanda Regina and Valadares, Taiana Carvalho and Parra Pastor, Rosemeire Conceiçao and Ciarlini, Paulo Cesar and Gonçalves, Giovani Sampaio and Villarroel, Morris and Giglio Ponsano, Elisa Helena (2018). Microbial biomass as an antioxidant for tilapia feed. "Aquaculture Research", v. 49 (n. 8); pp. 2881-2890. ISSN 1355-557X. https://doi.org/10.1111/are.13753.

Description

Title: Microbial biomass as an antioxidant for tilapia feed
Author/s:
  • Magnani Grassi, Thiago Luis
  • Oliveira, Dayse Licia
  • Paiva, Natalia Mingues
  • Pereira Diniz, Juliana Campos
  • Bosco, Anelise Maria
  • Ferreira Pereira, Ariana Aparecida
  • Pinatti Menezes, Amanda Regina
  • Valadares, Taiana Carvalho
  • Parra Pastor, Rosemeire Conceiçao
  • Ciarlini, Paulo Cesar
  • Gonçalves, Giovani Sampaio
  • Villarroel, Morris
  • Giglio Ponsano, Elisa Helena
Item Type: Article
Título de Revista/Publicación: Aquaculture Research
Date: August 2018
ISSN: 1355-557X
Volume: 49
Subjects:
Freetext Keywords: biochemical analysis; carotenoids; colour; leucocyte respiratory burst; lipid oxidation; TBARS
Faculty: E.T.S. de Ingeniería Agronómica, Alimentaria y de Biosistemas (UPM)
Department: Producción Agraria
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

Microbial biomass (MB) produced by different industries is thought to be a beneficial supplement in fish feed due to high contents of antioxidants and pigments. However, little is known about their impact on fish health. In this experiment, 960 tilapia (26.84 1.03 g) were fed one of eight experimental diets—a control diet with no MB (C), a control diet with vitamin E (VE) and six diets with three types of MB at two concentrations (0.25% and 0.5%): Rubrivivax gelatinosus (RG25 and RG50), Spirulina platensis (SP25 and SP50) and Saccharomyces cerevisiae (SC25 and SC50). Adding MB to diets decreased plasma total oxidant status, malonaldehyde and leucocyte respiratory burst; increased the total antioxidant status; and did not affect the blood biochemical parameters. In flesh, the use of the MB lowered the thiobarbituric acid-reactive substances and increased redness (except for SC) and carotenoid deposition (except SC25). So, it was concluded that the use of the MB provided an antioxidant effect in tilapia blood plasma, decreased lipid oxidation and increased pigmentation and carotenoid deposition in the fish flesh, without imparting a negative impact on the animals’ health.

More information

Item ID: 54592
DC Identifier: http://oa.upm.es/54592/
OAI Identifier: oai:oa.upm.es:54592
DOI: 10.1111/are.13753
Official URL: https://onlinelibrary.wiley.com/doi/pdf/10.1111/are.13753
Deposited by: Memoria Investigacion
Deposited on: 09 Apr 2019 12:56
Last Modified: 01 Sep 2019 22:30
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