THE INHIBITORY POWER OF BROWN MACROALGAE (Turbinaria ornata) EXTRACT TO THE GROWTH OF PATHOGENIC BACTERIA IN TILAPIA (Oreochromis niloticus)

Etika, Baiq (2018) THE INHIBITORY POWER OF BROWN MACROALGAE (Turbinaria ornata) EXTRACT TO THE GROWTH OF PATHOGENIC BACTERIA IN TILAPIA (Oreochromis niloticus). S1 thesis, Universitas Mataram.

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Abstract

Turbinaria ornata is a potential source of phatogenic antibacterial in tilapia. This study aims to determine the inhibitory power of Turbinaria ornata macroalgae extract on the growth of disease causing pathogenic bacteria in tilapia. This study included experimental research with Completely Randomized Design (CDR), consisting of 6 treatments and 3 replications to produce 18 experimental units. The experiment consisted of the control - (distilled water), control + (ampicillin), extract concentration (20%, 40%, 60%, 80%). Turbinaria ornata extract can inhibit growth of phatogenic bacteria at K +, extract concentration (20%, 40%, 60%, 80%). Positive rounds bacteria, the diameter of the inhibition power is 20 mm, 31,67 mm, 34,3 mm, 36,67 mm, 38,3 mm. Positive short stems bacteria, the diameter of the inhibition power is 50 mm, 33,3 mm, 38,3 mm, 42 mm, 45,3 mm. Negative short stems bacteria, the diameter of the inhibition power is 25 mm, 25,3 mm, 29,3 mm, 32,3 mm, 34,67 mm. It can be concluded that, Turbinaria ornata extract has inhibitory activity against positive arounds bacteria, positive short stems, and negative short stems in tilapia. The extract concentration of 80% showed the most effective results in suppressing bacterial growth positive rounds, positive short stems, and negative short stems were in tilapia.

Item Type: Thesis (S1)
Keywords (Kata Kunci): Turbinaria ornata, bacterial inhibition, tilapia pathogenic bacteria.
Subjects: S Agriculture > S Agriculture (General)
Divisions: Fakultas Matematika dan ilmu Pengetahuan Alam
Depositing User: Saprudin Saprudin
Date Deposited: 04 Dec 2018 02:04
Last Modified: 04 Dec 2018 02:04
URI: http://eprints.unram.ac.id/id/eprint/10985

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