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Pakistan Journal of Biological Sciences
  Year: 2015 | Volume: 18 | Issue: 2 | Page No.: 88-93
DOI: 10.3923/pjbs.2015.88.93
 
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Quality of Dried Bacillus NP5 and Its Effect on Growth Performance of Tilapia (Oreochromis niloticus)

Diah Ayu Satyari Utami, Widanarni and M. Agus Suprayudi

Abstract:
The main things that need to be considered in the preparation of probiotics are viability during preparation and storage which are the disadvantages of the use of fresh culture probiotics. Dried probiotic can be applied through the feed, easy to be applied, and has a long shelf life, but application of dried probiotic in aquaculture is still not widely studied. This study aimed to evaluate the quality of dried Bacillus NP5 as the probiotic through in vitro assays and determine the best dose for the growth performance of tilapia. The treatment of in vitro assays including the production of dried probiotic without using of the coating material and dried by spray drying method (NS); freeze drying method (NF); with using of the coating material and dried by spray drying method (WS); freeze drying method (WF). The treatment which showed the best result at in vitro assays was applied for in vivo assays. The in vivo assays containing 4 treatments and 5 replicates which were control (K) and the administration of dried Bacillus NP5 RfR (1010 CFU g-1) in feed with dose of 0.5% (A), 1% (B) and 2% (C). The fish fed 3 times a day by at satiation for 28 days. Probiotic that encapsulated by maltodextrin and dried by spray drying method that stored in room temperature had the higher percentage product, viability after drying process, and storage. The administration of 0.5% dried Bacillus NP5 showed the best growth performance in tilapia.
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 RELATED ARTICLES:
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How to cite this article:

Diah Ayu Satyari Utami, Widanarni and M. Agus Suprayudi, 2015. Quality of Dried Bacillus NP5 and Its Effect on Growth Performance of Tilapia (Oreochromis niloticus). Pakistan Journal of Biological Sciences, 18: 88-93.

DOI: 10.3923/pjbs.2015.88.93

URL: https://scialert.net/abstract/?doi=pjbs.2015.88.93

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