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Evaluation of candidate probiotic strains for gilthead sea bream larvae (Sparus aurata) using an in vivo approach
Makridis, P.; Martins, S.; Vercauteren, T.; Van Driessche, K.; Decamp, O.; Dinis, M.T. (2005). Evaluation of candidate probiotic strains for gilthead sea bream larvae (Sparus aurata) using an in vivo approach. Letters in Applied Microbiology 40(4): 274-277. dx.doi.org/10.1111/j.1472-765X.2005.01676.x
In: Letters in Applied Microbiology. Blackwell: Oxford. ISSN 0266-8254, more
Peer reviewed article  

Available in  Authors 

Keywords
Author keywords
    aquaculture; fish; live food; microbial control; rotifer cultures

Authors  Top 
  • Makridis, P.
  • Martins, S.
  • Vercauteren, T.
  • Van Driessche, K.
  • Decamp, O., more
  • Dinis, M.T.

Abstract
    Aims:  The aim of this study was to evaluate the effect of six bacterial strains on gilthead sea bream larvae (Sparus aurata).

    Methods and Results:  Six bacterial strains isolated from well-performing live food cultures were identified by sequencing fragments of their 16s rDNA genome to the genus level as Cytophaga sp., Roseobacter sp., Ruergeria sp., Paracoccus sp., Aeromonas sp. and Shewanella sp. Survival rates of gilthead sea bream larvae transferred to seawater added these bacterial strains at concentrations of 6 ± 0·3 × 105 bacteria ml−1 were similar to those of larvae transferred to sterilized seawater and showed an average of 86% at 9 days after hatching, whereas, survival rates of larvae transferred to filtered seawater were lower (P < 0·05), and showed an average of 39%, 9 days after hatching.Conclusion:  Several bacterial strains isolated from well-performing live food cultures showed a positive effect for sea bream larvae when compared with filtered seawater.Significance and Impact of the Study:  The approach used in this study could be applied as an in vivo evaluation method of candidate probiotic strains used in the rearing of marine fish larvae.


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