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All Journal Grouper: Jurnal Ilmiah Perikanan
Lilis Cahaya Septiana
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Veterinary

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Glucose Levels and Bacteria Identification in Cantang Groupers Distributed from Hatchery Bali Lilis Cahaya Septiana; Gunanti Mahasri; Ahmad Shofy Mubarak; Ika Putri, Lia Oktavia
Grouper Vol. 16 No. 1 (2025): Grouper : Jurnal Ilmiah Perikanan
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/grouper.v16i1.302

Abstract

Cantang grouper is a hybridization between female tiger grouper and male kertang grouper. Transporting fish using a closed transportation system can cause stress, which results in increased blood glucose levels in fish as a secondary physiological response. This study aims to analyze blood glucose levels and identify bacteria in cantang grouper (Epinephelus fuscoguttatus lanceolatus) distributed from hatcheries in Bali. The results showed that the average blood glucose level reached 102 mg/dL, higher than the normal range (27–56 mg/dL), indicating that the fish experienced stress due to bacterial infection and the transportation process. The cantang grouper observed had been infected with Vibrio alginoliticus bacteria with the lowest TVC value of 98 x 105 CFU/mL and the highest 239 x 105 CFU /mL. The relationship between blood glucose and TVC values is positively correlated. The higher the blood glucose, the higher the TVC value in cantang grouper. Bacterial identification revealed the presence of Vibrio alginolyticus, a major pathogen causing vibriosis in marine fish. This study highlights the importance of improving transportation systems and implementing strict biosecurity to reduce stress and infection in cantang grouper
Improvement of Immune Defense and Survival of Grouper Fish (Ephinepelus sp.) Using the Immuno-Probiosirkulasi System (SI-PBR) Method in Semi-Intensive Ponds in Brondong, Lamongan Mahasri, Gunanti; Woro Hastuti Satyantini; Nina Nurmalia Dewi; Lia Oktavia Ika Putri; Lilis Cahaya Septiana; Elangga Sony Widiharsono; Salman Aldo Alfaresi; Faisol Mas’ud; Fuquh Rahmat Shaleh; M. Khairul Anam; Ika Purnamasari
Grouper Vol. 15 No. 1 (2024): Grouper : Jurnal Ilmiah Perikanan
Publisher : Universitas Islam Lamongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30736/grouper.v15i1.243

Abstract

Grouper (Epinephelus sp.) is a marine fishery commodity that is widely cultivated in marine cages and ponds. The export market demand for grouper fish continues to increase every year by 30.75% every year, so there is a need for improvement, through various technological applications. The main obstacle in cultivating grouper fish in ponds is the decline in water quality and disease attacks, which can cause up to 100% crop failure, just 3 – 5 days after infection. One effort that can be implemented is the cultivation method with the Immuno-Probiocirculation System (SIPBR). Brondong sub-district is one of the areas in Lamongan which has large fisheries potential, especially for breakwater water pools, which are the top among other districts. There have been many cases of grouper deaths in ponds to date, which are caused by disease attacks and water quality. The aim of this community service activity is to apply the Immuno-Probioculation System fish aquaculture technology in traditional plus pattern ponds (SI-PBR), increasing grouper fish production in Lamongan Regency, East Java. Observational method which includes socialization / counseling, planning and guidance for implementing SI-PBR technology in one period (three months). These results show positive indications. There is an increase in farmer knowledge, the SI-PBR method can reduce ectoparasite infestation and increase grouper yields from 272.43 kg / ha to 87.66 kg / ha, meaning an increase of 334%. The conclusion from this activity is that the SI-PBR model can increase fish production and can be applied in wider areas in the Lamongan region.
Co-Authors Ahmad Shofy Mubarak Anam, M Khairul Dewi, Nina Nurmalia Elangga Sony Widiharsono Faisol Mas’ud Fuquh Rahmat Shaleh Gunanti Mahasri Ika Purnamasari Ika Putri, Lia Oktavia Lia Oktavia Ika Putri Salman Aldo Alfaresi Woro Hastuti Setyantini