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Isolation, characterization, and antimicrobial susceptibility of aeromonas hydrophila from freshwater nile tilapia (Oreochromis Niloticus) from East Bay of Laguna De Bay, Philippines 6

By: Acidera, Kwane Allen D.; Almira, Diane Christine E.; Arnecilla, Aaron King D.; Dela Cruz, Maire Deanne P.; Dela Rosa, Maria Victoria C. 4 0 16, [, ] | [, ] |

Contributor(s): 5 6 [] |

Language: Unknown language code Summary language: Unknown language code Original language: Unknown language code Series: ; 4544446Edition: Description: 129 pagesContent type: text Media type: unmediated Carrier type: volumeISBN: ISSN: 2Other title: 6 []Uniform titles: | | Related works: 1 40 6 []Subject(s): -- 2 -- 0 -- -- | -- 2 -- 0 -- 6 -- | 2 0 -- | -- -- 20 -- | | -- -- -- -- 20 -- | -- -- -- 20 -- --Genre/Form: -- 2 -- Additional physical formats: DDC classification: | LOC classification: | | 2Other classification:

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Action note: In: Summary: ABSTRACT: This study explores the prevalence and characteristics of Aeromonas hydrophila strains in Oreochromis niloticus populations within the East Bay section of Laguna de Bay, Philippines. Sampling sites in Pila and Santa Cruz municipalities were selected based on their relevance to aquaculture practices. A total of 44 samples, evenly distributed by sex, underwent morphometric analysis and A. hydrophila screening. Results revealed a 4% positive for Aeromonas in Santa Cruz, while Pila showed no detections, having a point prevalence of 23 per 1000 in general. Phylogenetic analysis emphasized genetic similarities among A. hydrophila strains and other Aeromonas spp. Colony characteristics of isolated strains were found to be white to tan in color, round, convex, and entire on Tryptic Soy Agar. They also displayed yellow colonies, round, convex, and entire features on RS medium. Susceptibility testing against antibiotics indicated trimethoprim-sulfamethoxazole as the most effective, with significant differences observed in zone of inhibition outcomes between different (p = 0.017) and same (p = 0.021) antibiotic family exposures. Specifically, this study promotes visions into the prevalence, characteristics, and antibiotic susceptibility in aquaculture, aiding in fish health management and food safety strategies of the isolated Aeromonas strain. Other editions:

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Item type	Current location	Home library	Collection	Call number	Status	Date due	Barcode	Item holds
Book	PLM	PLM Filipiniana Section	Filipiniana-Thesis	QK99 A25 2024 (Browse shelf)	Available		FT8343

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Undergraduate Thesis: (BS in Biology major in Medical Biology) - Pamantasan ng Lungsod ng Maynila, 2024 56

ABSTRACT: This study explores the prevalence and characteristics of Aeromonas hydrophila strains in Oreochromis niloticus populations within the East Bay section of Laguna de Bay, Philippines. Sampling sites in Pila and Santa Cruz municipalities were selected based on their relevance to aquaculture practices. A total of 44 samples, evenly distributed by sex, underwent morphometric analysis and A. hydrophila screening. Results revealed a 4% positive for Aeromonas in Santa Cruz, while Pila showed no detections, having a point prevalence of 23 per 1000 in general. Phylogenetic analysis emphasized genetic similarities among A. hydrophila strains and other Aeromonas spp. Colony characteristics of isolated strains were found to be white to tan in color, round, convex, and entire on Tryptic Soy Agar. They also displayed yellow colonies, round, convex, and entire features on RS medium. Susceptibility testing against antibiotics indicated trimethoprim-sulfamethoxazole as the most effective, with significant differences observed in zone of inhibition outcomes between different (p = 0.017) and same (p = 0.021) antibiotic family exposures. Specifically, this study promotes visions into the prevalence, characteristics, and antibiotic susceptibility in aquaculture, aiding in fish health management and food safety strategies of the isolated Aeromonas strain.

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