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TINGKAT KELULUSHIDUPAN Artemia sp. YANG DIUJI TANTANG MENGGUNAKAN BAKTERI Vibrio spp. DENGAN PENAMBAHAN EKSTRAK Spirulina sp. DAN ALGINAT (23dik320)

WIRAADI, SANHEDRINA LILIAN (2023) TINGKAT KELULUSHIDUPAN Artemia sp. YANG DIUJI TANTANG MENGGUNAKAN BAKTERI Vibrio spp. DENGAN PENAMBAHAN EKSTRAK Spirulina sp. DAN ALGINAT (23dik320). Undergraduate thesis, Fakultas Perikanan dan Ilmu Kelautan.

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Abstract

ABSTRAK

(Sanhedrina Lilian Wira Adi. 26040118130182. Tingkat Kelulushidupan Artemia sp. yang Diuji Tantang Menggunakan Bakteri Vibrio spp. dengan Penambahan Ekstrak Spirulina sp. dan Alginat Ervia Yudiati dan Retno Hartati.)

Permasalahan utama yang menjadi faktor kegagalan dalam budidaya perikanan adalah penyakit vibriosis. Salah satu upaya pencegahan dan pengendalian penyakit vibriosis dapat dilakukan dengan pemberian nutrisi yang tepat dan optimal berupa pemberian ekstrak Spirulina sp. dan Alginat dimana dapat meningkatkan sistem pertahanan tubuh. Penelitian ini bertujuan menjelaskan ada tidaknya pengaruh penambahan ekstrak Spirulina sp. dan Alginat dengan konsentrasi berbeda untuk meningkatkan kelulushidupan Artemia sp. terhadap Vibrio spp.. Pengambilan data penelitian dilakukan dari bulan Oktober 2021 hingga Desember 2021. Semua uji perlakuan dilakukan di Laboratorium Biologi Laut Gedung H, Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro, Semarang. Penelitian ini menggunakan metode eksperimental laboratorium dengan Rancangan Acak Lengkap (RAL) pola faktorial. Pengamatan tingkat kelulushidupan dilakukan dengan perendaman Artemia sp. pada ekstrak Spirulina sp. + Alginat dengan 4 taraf perlakuan konsentrasi yaitu (0 ppb + 0 ppm), (300 ppb + 400 ppm), (600 ppb + 600 ppm), dan (900 ppb + 800 ppm). Penambahan bakteri Vibrio spp. untuk uji tantang dengan 4 taraf perlakuan, yaitu Vibrio anguillarum, Vibrio parahaemolyticus strain AHPND, Vibrio anguillarum + Vibrio parahaemolyticus strain AHPND dan tanpa bakteri Vibrio spp. dengan tiga kali pengulangan. Hasil penelitian menunjukkan bahwa (1) penambahan ekstrak Spirulina sp. dan Alginat mampu meningkatkan kelulushidupan Artemia sp. dengan konsentrasi (600 ppm + 600 ppb) yaitu sebesar 100% terhadap uji bakteri Vibrio anguillarum. (2) adanya pengaruh nyata antara bakteri Vibrio parahaemolyticus strain AHPND dengan Vibrio anguillarum dan Vibrio anguillarum - Vibrio parahaemolyticus strain AHPND. (3) adanya interaksi antara konsentrasi ekstrak Spirulina sp. + Alginat dengan bakteri Vibrio spp..

Kata kunci: Alginat, Artemia sp., Kelulushidupan, Spirulina sp., Vibrio spp.

ABSTRACT

(Sanhedrina Lilian Wiraadi. 26040118130182. Survival Rates on Artemia sp. which Challenge Tested Used Bacteria Vibrio spp. with Addition of Spirulina sp. and Alginate Ervia Yudiati dan Retno Hartati.)

The main problem that becomes a failure factor in aquaculture is vibriosis. One of the efforts to prevent and control vibriosis can be done by providing proper and optimal nutrition in the form of Spirulina sp. extract. and Alginate which can increase the body's defense system. This study aims to explain whether there is an effect of adding Spirulina sp. extract. and Alginate with different concentrations to enhance the survival rate of Artemia sp. against Vibrio spp.. Research data was collected from October 2021 to December 2021. All treatment tests were carried out at the Marine Biology Laboratory Building H, Faculty of Fisheries and Marine Sciences, Diponegoro University, Semarang. This study used a laboratory experimental method with a completely randomized design (CRD) factorial pattern. Observation of the survival rate was carried out by immersing Artemia sp. on Spirulina sp. extract. + Alginate with 4 concentration treatment levels namely (0 ppb + 0 ppm), (300 ppb + 400 ppm), (600 ppb + 600 ppm), and (900 ppb + 800 ppm). The addition of Vibrio spp. for a challenge test with 4 levels of treatment, namely Vibrio anguillarum, Vibrio parahaemolyticus AHPND strain, Vibrio anguillarum + V. parahaemolyticus AHPND strain and without Vibrio spp. with three repetitions. The results showed that (1) the addition of Spirulina sp. and Alginate was able to increase the survival of Artemia sp. with a concentration (600 ppm + 600 ppb) which was 100% against the Vibrio anguillarum bacteria test. (2) there is a significant effect between Vibrio parahaemolyticus AHPND strain bacteria and Vibrio anguillarum and Vibrio anguillarum - Vibrio parahaemolyticus AHPND strain. (3) there is an interaction between the concentration of Spirulina sp. + Alginate with Vibrio spp..

Keywords: Alginate, Artemia sp., Spirulina sp., Survival rate, Vibrio spp.

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: Alginat, Artemia sp., Kelulushidupan, Spirulina sp., Vibrio spp. Alginate, Survival rate
Subjects: Fisheries And Marine Sciences
Divisions: Faculty of Fisheries and Marine Sciences > Department of Marine Science
Depositing User: pancasila wati
Date Deposited: 12 Jan 2024 08:16
Last Modified: 12 Jan 2024 08:16
URI: https://eprints2.undip.ac.id/id/eprint/20311

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