Date of Completion

7-2019

Document Type

Thesis

Degree Name

Grade 12

Keywords

Oreochromis niloticus, gram-negative bacteria, detection, Tilapia, Bacteria

Abstract

The present study used a descriptive approach to investigate the presence of gram-negative bacteria in tilapia. Gills of the sampled fish are subjected to a protocol of homogenization & six-fold serial dilution. The samples were streak plated using the last two diluted tubes, each producing two replicates. The results showed that of the 24 MacConkey agar plates incubated at 37°C for a total of 21 hrs, only 11 had bacterial growth, while the remaining 13 had zero bacteria.

First Advisor

Vivan B. Ramirez

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