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International Journal of Fisheries and Aquatic Studies
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(ICV-Poland) Impact Value: 76.37, Impact Factor: RJIF 5.69
E-ISSN: 2347-5129, P-ISSN: 2394-0506

International Journal of Fisheries and Aquatic Studies

2016, Vol. 4, Issue 3, Part F

Effect of two carbon sources in microbial abundance in a Biofloc culture system with Oreochromis niloticus (Linnaeus, 1758)


Author(s): Sthephaniee Maya Gutiérrez, María del Carmen Monroy Dosta, Aida Handam Partida, Jorge Castro Mejía and Gustavo Alejandro Rodríguez Montes de Oca

Abstract: The goal of this research was to compare the microbial community production in a culture system Biofloc in tilapia using molasses and molasses + rice powder as carbon sources. With molasses it were found 18 heterotrophic bacteria species, 11 opportunistic pathogen and seven probiotic bacteria. With molasses and rice powder it were found 17 bacteria species, six pathogen, nine degradative and two probiotic bacteria’s. The obtained results in this study suggested that BFT technology could be a new strategy to control pathogens differently as with conventional culture mediums, since experiments show that while microbial flocs development proceeds, the bacterial degradative heterotrophic and potential probiotics displace the opportunistic pathogen bacteria that communally causes infection process in cultured fish and crustaceans, like genus: Aeromonas, Pseudomonas, Vibrio, Enterobacter, Klebsiella among others, because of a competitive exclusion by heterotrophic and probiotic bacteria with respect to another bacterial groups since discharge a variety of exoenzymes and polymers that created an hostile bacteria environment, especially pathogens. Biofloc production is an alternative technique system which eliminates the use of chemical substances and antibiotics that negatively impact on aquaculture production and their environment.

Pages: 421-427  |  947 Views  130 Downloads

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How to cite this article:
Sthephaniee Maya Gutiérrez, María del Carmen Monroy Dosta, Aida Handam Partida, Jorge Castro Mejía and Gustavo Alejandro Rodríguez Montes de Oca. Effect of two carbon sources in microbial abundance in a Biofloc culture system with Oreochromis niloticus (Linnaeus, 1758). International Journal of Fisheries and Aquatic Studies. 2016; 4(3): 421-427.
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