Yeast as probiotic for Nile tilapia during the sexual reversion phase
Abstract
The effect of including Saccharomyces cerevisiae (SC) as probiotic in rations for Nile tilapia during sexual reversion on performance, percentage of sexual reversion and intestine settling, under sanitary challenge, was evaluated. The treatments consisted of a commercial ration for sexual reversion with 0.1% of SC (1010 SC Colony Formation Unit per g of product) (TP) or without the probiotic (TT). One fingerling was randomly chosen for intestine removal and counting of the number of bacteria and another ten fingerlings were analyzed for the effectiveness of sexual reversion (ERS). Performance, survival rate, ERS, and hepatic-somatic index were not affected (P>0.05) by dietary SC. The Saccharomyces cerevisiae settling in the intestine was noticed only in fingerlings fed TP. The main isolated bacteria were Bacillus spp. and Enterococcus spp., and no negative gram bacteria were observed. Live yeast can be used as probiotic in meal rations for Nile tilapia, during the sexual reversion, with no effect on performance and se sexual reversion process and due to the intestine settling and microbiota change.Downloads
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Published
2008-11-26
Issue
Section
Fisheries / Aquaculture
License
Todo o conteúdo deste periódico, exceto onde está identificado, está licenciado sob uma Licença Creative Commons