Sargassum sp. extract improve hematological profile of tilapia fish (Oreochromis niloticus)

Gazali, Mohamad and Effendi, Irwan and Husni, Amir and Nurjanah, Nurjanah and Wahyuni, Sri and Kurniawan, Ronal (2024) Sargassum sp. extract improve hematological profile of tilapia fish (Oreochromis niloticus). F1000Research, 12: 293. pp. 1-20. ISSN 20461402

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Abstract

Background: Strategies to increase body resistance and prevent disease in aquaculture include using vaccines, antibiotics, and probiotics. Today, the use of antibiotics with natural ingredients is becoming a trend. Sargassum sp is a natural ingredient that contains high antioxidants and antibiotics. Methods: This research was conducted from March to May 2022 at the Biotechnology Laboratory, Faculty of Fisheries and Marine, Universitas Riau, in two stages: 1) the sensitivity of extracts of Sargassum sp. and 2) the application of Sargassum sp. extract orally in tilapia (O. niloticus). The parameters measured were clear zone, minimum inhibitory concentration, LD 50 test of leaf extract of Sargassum sp. in tilapia (O. niloticus), hemoglobin levels, hematocrit, total leukocytes, total erythrocytes, leukocyte differentiation, and survival rate. Data on hematology parameters were tabulated and analyzed using a One-Way ANOVA followed by a Student Newman Keuls (SNK) test when deemed necessary. Results: The results showed that the extract of Sargassum sp. inhibited the growth of Aeromonas hydrophila bacteria with a clear zone of 6.5-15.0 mm, which is classified as resistant. At doses of 2000, 2500, and 3000 ppm, it did not cause death in fish for 96 hours (LD 50). Hematological parameters can be a sign of the health status of fish. Tilapia given Sargassum sp. in different doses gave an effect between treatments after 30 days of rearing and post-test against A. hydrophila bacteria (p<0.05). The results showed that the hematology of fish fed with Sargassum sp. extract was in the normal or healthy range. Healthy tilapia had erythrocyte counts ranging from 1.34-2.11×10 6 cells/mm 3, hematocrit 26.17-33.19, hemoglobin 6.26-11.2 g/dL and total leukocytes 1.01-1.50×10 4 cells/mm 3 and total erythrocytes 5.88-9.13×10 4 cells/ mm 3. Conclusions: A dose of 3000 ppm provided the highest health improvement against A. hydrophila bacterial infection.

Item Type: Article
Additional Information: Cited by: 2; All Open Access, Gold Open Access
Uncontrolled Keywords: A. hydrophila; fish health status; hematology; Sargassum sp. extract
Subjects: S Agriculture > S Agriculture (General)
Divisions: Faculty of Agriculture > Department of Fisheries
Depositing User: Laili Hidayah Hidayah
Date Deposited: 28 Aug 2024 06:37
Last Modified: 28 Aug 2024 06:37
URI: https://ir.lib.ugm.ac.id/id/eprint/3474

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