Inhibitory action of probiotic bacteria for some isolated and identified pathogenic bacteria from naturally infected Nile tilapia (Oreochromis niloticusis)
EL-Makhzangy, A., Ghaly, M., Mahmoud, S., Awad, S. (2022). Inhibitory action of probiotic bacteria for some isolated and identified pathogenic bacteria from naturally infected Nile tilapia (Oreochromis niloticusis). EKB Journal Management System, 2022(3), 108-121. doi: 10.21608/bfszu.2022.147216.1153
Abeer Abd EL-Menem EL-Makhzangy; Mohamed Farouk Ghaly; Shahira Hanafy Mahmoud; Somayah mohamed Awad. "Inhibitory action of probiotic bacteria for some isolated and identified pathogenic bacteria from naturally infected Nile tilapia (Oreochromis niloticusis)". EKB Journal Management System, 2022, 3, 2022, 108-121. doi: 10.21608/bfszu.2022.147216.1153
EL-Makhzangy, A., Ghaly, M., Mahmoud, S., Awad, S. (2022). 'Inhibitory action of probiotic bacteria for some isolated and identified pathogenic bacteria from naturally infected Nile tilapia (Oreochromis niloticusis)', EKB Journal Management System, 2022(3), pp. 108-121. doi: 10.21608/bfszu.2022.147216.1153
EL-Makhzangy, A., Ghaly, M., Mahmoud, S., Awad, S. Inhibitory action of probiotic bacteria for some isolated and identified pathogenic bacteria from naturally infected Nile tilapia (Oreochromis niloticusis). EKB Journal Management System, 2022; 2022(3): 108-121. doi: 10.21608/bfszu.2022.147216.1153

Inhibitory action of probiotic bacteria for some isolated and identified pathogenic bacteria from naturally infected Nile tilapia (Oreochromis niloticusis)

Bulletin of Faculty of Science, Zagazig University
Article 11, Volume 2022, Issue 3, October 2022, Page 108-121  XML PDF (1.16 MB)
Document Type: Original Article
DOI: 10.21608/bfszu.2022.147216.1153
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Authors
Abeer Abd EL-Menem EL-Makhzangy email 1; Mohamed Farouk Ghaly2; Shahira Hanafy Mahmoud3; Somayah mohamed Awad4
1Botany and microbiology Department ,Faculty of Sciences,Zagazig University,Zagazig ,Eygpt
2Department of Botany and Microbiology,Faculty of Science,Zagazig University
3Chief Research of Pharmacology Animal Health Research Institute Zagazig Branch, Egypt
4Fish health and Management Department, Central laboratory for Aquaculture Research, Abassa, Abu-Hammad
Abstract
The high consumption of antibiotic in aquaculture for controlling fish disease lead to antibiotic resistance, so for improving this resistant against infectious disease it could be achieved by using of probiotics as an alternative strategy. Main objective of this study was to revealed the influence of some isolated probiotic bacteria as Bacillus spp and Lactobacillus spp on pathogenic bacteria which isolated from naturally infected Nile tilapia such as Aeromonas spp, Vibrio spp and Pseudomonas spp. Bioactivity of probiotic were measured by the diameter of inhibition zone on disc diffusion method, six probiotic were used for testing their ability to inhibited the growth of pathogenic bacteria, three of them were kindly provided and the other were isolated from pickles, fermentable milk and yogurt, respectively. The result indicates that Vibrio anguillrium recorded high prevalence pathogenic bacteria as 52% of isolates. The highest inhibition zone refers to Bacillus amyloliquefacien SW19 which range from (10-40 mm).
Keywords
Nile tilapia; pathogenic bacteria; probiotic bacteria
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