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Research Article: Possible effects of probiotic strains on suppression of Vibrio and enhancement of growth in rotifer, Brachionus plicatilis
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J. Sahandi   , P. Sorgeloos , H. Xiao , H. Wang , Z. Qi , Y. Zheng , X. Tang * |
| College of Marine Life Science, Ocean University of China, Qingdao, China , tangxx@ouc.edu.cn |
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Abstract: (2177 Views) |
| Because of the importance of rotifers as an adequate live food in larviculture, this study was conducted to evaluate probiotic potency of four microorganisms, Candida parapsilosis, Pseudoalteromonas flavipulchra, Lactobacillus sakei and Bacillus natto on suppression of Vibrio species and increasing population growth, enzymes activity and nutrients retention in the rotifer, Brachionus plicatilis. Four experimental and a control treatment, each with four replicates, with the concentration of 108 CFU/mL-1 for each strain were applied. The results demonstrated that L. sakei and B. natto successfully suppressed Vibrio in experimental treatments and increased population growth and nutrients retention. The longevity of B. natto was recorded as the best in long-term inoculation than other treatments and the control in a way that after 8 days of rotifers starvation, the count of B. natto increased. The findings showed that the two bacteria, B. natto and L. sakei, appear to be a promising probiotic for rotifers in suppressing Vibrio and also in increasing population growth, nutrients retention, enzymes activity and long-term inoculation in rotifers. |
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| Keywords: Rotifer, Suppression, Vibrio, Enzyme, Brachionus, Probiotic. |
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Full-Text [PDF 411 kb]
(1160 Downloads)
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Type of Study: Orginal research papers |
Subject:
aquaculture
Received: 2019/08/4 | Accepted: 2020/06/10 | Published: 2020/11/20
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