Antibacterial effect of Padina seaweed on bacteria isolated from shrimp breeding center in Chabahar

Delvash zehi, Abdolbaset (2024) Antibacterial effect of Padina seaweed on bacteria isolated from shrimp breeding center in Chabahar. Masters thesis, university of zabol.

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Abstract

Vanami shrimp is very susceptible to vibriosis. The purpose of this study is to identify the agents that cause vibriosis in Vanami shrimp at the shrimp breeding center in Chabahar through biochemical and molecular techniques and to develop a method of biological control of the disease using algae extracts. shrimp Post larvae samples were collected from shrimp breeding tanks and bacteria were isolated from those samples. Based on phenotypic identification, several isolates were identified as Vibrio sp. 16S rRNA gene sequences of selected isolates showed 100% homology with V. alginolyticus strain. Macroalgae extracts were screened by ethanolic, methanolic and Aqueous extract methods on the growth of V. alginolyticus in laboratory conditions. In vivo conditions, ethanolic and methanolic extracts of Padina macroalgae showed an inhibitory effect on Vibrio alginolyticus bacteria. This is the first report on the molecular identification and biocontrol of V. alginolyticus in shrimp in Chabahar.

Item Type: Thesis (Masters)
Uncontrolled Keywords: Vibrio alginolyticus, reproduction center, Padina macroalgae, ethanolic extract, methanolic extract
Subjects: S Agriculture > SF Animal culture
Depositing User: Mrs najmeh khajeh
Date Deposited: 06 Jan 2025 06:31
Last Modified: 06 Jan 2025 06:31
URI: http://eprints.uoz.ac.ir/id/eprint/3722

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