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ANALISIS FOOD CONVERSION RATIO (FCR) IKAN NILA (OREOCHROMIS NILOTICUS) PADA SISTEM KERAMBA JARING APUNG DI DANAU BATUR

Vol. 5 No. 01 (2026): JURNAL MULTIDISIPLINER KAPALAMADA:
DOI : https://doi.org/10.62668/kapalamada.v5i01.2277
Published : Mar 31, 2026

Kadek Yogi Anugerah Prawira Darma (1), Gede Iwan Setiabudi (2), Alexander Korinus Marantika (3)

(1) Universitas Pendidikan Ganesha, Indonesia
(2) Universitas Pendidikan Ganesha Singaraja, Indonesia
(3) Universitas Pendidikan Ganesha Singaraja, Indonesia
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Abstract:

Nile tilapia (Oreochromis niloticus) is a leading commodity in Lake Batur; however, its production sustainability is challenged by fluctuations in feed efficiency among farmers. This study aims to analyze production performance, particularly Feed Conversion Ratio (FCR) and Survival Rate (SR), spatially and to identify the technical and biological factors influencing them. A descriptive quantitative method with an ex-post facto approach was applied to 20 farmers across four regions (West, East, North, and South). The One-Way ANOVA test results indicated significant differences (p < 0.05) in FCR values among locations. The western region showed the best efficiency (FCR 1.06 ± 0.18; SR 66%), while the eastern region recorded the lowest (FCR 1.39 ± 0.03). Regression analysis revealed that rearing duration had a significant effect (p = 0.010), indicating the role of natural feed such as periphyton. Inefficiency in the eastern region was associated with phantom feeding due to high initial mortality. Recommended strategies include improved seed management, optimization of natural feed, and periodic fasting practices.

Author Biographies

Kadek Yogi Anugerah Prawira Darma, Universitas Pendidikan Ganesha

Department of Aquaculture, Faculty of Mathematics and Natural Sciences, Universitas Pendidikan Ganesha, Singaraja.

 

Gede Iwan Setiabudi, Universitas Pendidikan Ganesha Singaraja

Department of Aquaculture, Faculty of Mathematics and Natural Sciences, Universitas Pendidikan Ganesha, Singaraja.

 

 

Alexander Korinus Marantika, Universitas Pendidikan Ganesha Singaraja

Department of Aquaculture, Faculty of Mathematics and Natural Sciences, Universitas Pendidikan Ganesha, Singaraja.

 

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