E-ISSN 2536-9520 | ISSN 1110-2047
 

Original Article 


Antibacterial effects of Nano-silver suspension against some fish pathogens (In vitro)

Basma Dahdouh, Ola Basha, Yasser Haggag, Samy Khalil, Mahmoud Tanekhy.

Abstract
The immensity of using antibiotics in aquaculture has many drawbacks on the industry itself and on consumers' health. The alternatives of using antibiotics are usually questionable. The current study was trying to find out the effect of Nanosilver (AgNPs) on some bacterial pathogens infecting Oreochromis niloticus (O.niloticus) in Egypt. The antibacterial activity of the AgNPs was assessed by well diffusion method. Different concentrations of the AgNPs were analyzed by MIC and MBC techniques. Finally the potential AgNPs which showed maximum antibacterial activity was also subjected for the time kill assay method. The in vitro study revealed that the AgNPs suspension at concentration of 50 ppm showed maximum activity against Aeromonas hydrophila, Pseudomonas aeruginosa and streptococcus agalactiae. It is also noted that, 50 ppm concentrations of the AgNPs showed the maximum reduction of bacterial growth, inhibit the bacterial motility, reduced the pigment production by P. aeruginosa, with highest inhibition zone on MH agar against the 3 bacterial species. Moreover, the effects of AgNPs on the 3 bacteria detected under TEM and the results were tremendous efficacy. It is concluded from the present study, AgNPs could be used as an effective antibacterial agents for disease free fish management.

Key words: Bacteria, O.niloticus, nanosilver, Antibiotics


 
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How to Cite this Article
Pubmed Style

Dahdouh B, Basha O, Haggag Y, Khalil S, Tanekhy M. Antibacterial effects of Nano-silver suspension against some fish pathogens (In vitro). AJVS. 2020; 67(2): 75-81. doi:10.5455/ajvs.134532


Web Style

Dahdouh B, Basha O, Haggag Y, Khalil S, Tanekhy M. Antibacterial effects of Nano-silver suspension against some fish pathogens (In vitro). http://www.alexjvs.com/?mno=134532 [Access: August 16, 2021]. doi:10.5455/ajvs.134532


AMA (American Medical Association) Style

Dahdouh B, Basha O, Haggag Y, Khalil S, Tanekhy M. Antibacterial effects of Nano-silver suspension against some fish pathogens (In vitro). AJVS. 2020; 67(2): 75-81. doi:10.5455/ajvs.134532



Vancouver/ICMJE Style

Dahdouh B, Basha O, Haggag Y, Khalil S, Tanekhy M. Antibacterial effects of Nano-silver suspension against some fish pathogens (In vitro). AJVS. (2020), [cited August 16, 2021]; 67(2): 75-81. doi:10.5455/ajvs.134532



Harvard Style

Dahdouh, B., Basha, . O., Haggag, . Y., Khalil, . S. & Tanekhy, . M. (2020) Antibacterial effects of Nano-silver suspension against some fish pathogens (In vitro). AJVS, 67 (2), 75-81. doi:10.5455/ajvs.134532



Turabian Style

Dahdouh, Basma, Ola Basha, Yasser Haggag, Samy Khalil, and Mahmoud Tanekhy. 2020. Antibacterial effects of Nano-silver suspension against some fish pathogens (In vitro). Alexandria Journal of Veterinary Sciences, 67 (2), 75-81. doi:10.5455/ajvs.134532



Chicago Style

Dahdouh, Basma, Ola Basha, Yasser Haggag, Samy Khalil, and Mahmoud Tanekhy. "Antibacterial effects of Nano-silver suspension against some fish pathogens (In vitro)." Alexandria Journal of Veterinary Sciences 67 (2020), 75-81. doi:10.5455/ajvs.134532



MLA (The Modern Language Association) Style

Dahdouh, Basma, Ola Basha, Yasser Haggag, Samy Khalil, and Mahmoud Tanekhy. "Antibacterial effects of Nano-silver suspension against some fish pathogens (In vitro)." Alexandria Journal of Veterinary Sciences 67.2 (2020), 75-81. Print. doi:10.5455/ajvs.134532



APA (American Psychological Association) Style

Dahdouh, B., Basha, . O., Haggag, . Y., Khalil, . S. & Tanekhy, . M. (2020) Antibacterial effects of Nano-silver suspension against some fish pathogens (In vitro). Alexandria Journal of Veterinary Sciences, 67 (2), 75-81. doi:10.5455/ajvs.134532





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