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All Journal Prosiding SNPBS (Seminar Nasional Pendidikan Biologi dan Saintek) Jurnal Perikanan
Kurnianto, Bayu
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science

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THE INFLUENCE OF STOCKING DENSITIES ON WHITE SHRIMP (Litopenaeus vannamei) REARED USING INTENSIVE SYSTEM: PRODUCTION PERFORMANCE AND WATER QUALITY Insani, Liga; Jatayu, Diklawati; Mahendra, I Gede Rezza; Wiyasa, Made Wisnu; Kurnianto, Bayu; Ardiansyah, Ardiansyah
Jurnal Perikanan Unram Vol 15 No 1 (2025): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v15i1.1291

Abstract

ABSTRACT The increasing trend of vaname shrimp cultivation production encourages farmers to increase their cultivation production. The success of vaname shrimp cultivation can be seen from the ability to measure the capacity of shrimp biomass in maintenance activities and stocking density patterns based on the maximum capacity of the pond in each plot. The purpose of this study was to analyze vaname shrimp cultivation activities for a period of 2 years (2023-2024) in intensive system ponds based on different stocking density patterns at 140 shrimp/m2 and 190 shrimp/m2. This study was carried out for 6 cultivation cycles, each cycle was carried out for 100 days. The results of statistical tests showed that the shrimp stocking density pattern had a significant effect (p <0.05) on biomass, productivity, survival and feed conversion ratio. The average survival rate of 140 shrimp/m2 stocking density was 85.33%, biomass was 3,327.75 kg, FCR was 1.44 and productivity was 30.8 tons/ha. The average survival rate with a stocking density of 190 shrimp/m2 was 73.66%, biomass 1,981.87 kg, FCR 1.59 and productivity 12.38 tons/ha. This shows that biomass, SR, and productivity decreased while FCR tended to increase in cultivation with a stocking density of 190 shrimp/m2. The results of water quality showed an increase in the Total Organic Matter value of 110-250 mg/l at a stocking of 190 shrimp/m2. This shows that there is an increase in organic matter in the maintenance pond which affects the survival of shrimp in the pond so that it affects the biomass and productivity of whiteleg shrimp. A stocking density of 140 shrimp/m2 can be recommended for application in intensive whiteleg shrimp cultivation. Keywords: intensive system, stocking density, water quality, whiteleg shrimp
Kajian Pembuatan Permen Lunak Rosella Rendah Glukosa dengan Ekstrak Daun Stevia Harismah, Kun; Wicaksono, Carnelius Dimas Gallant; Crisviantoro, Nugroho; Kurnianto, Bayu
Prosiding SNPBS (Seminar Nasional Pendidikan Biologi dan Saintek) 2019: Prosiding SNPBS (Seminar Nasional Pendidikan Biologi dan Saintek)
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (312.411 KB)

Abstract

Pemanfaatan daun stevia (Stevia rebaudiana Bertoni) sebagai pemanis alami dapat untuk membuat permen lunak rosella. Kelopak bunga rosella dipilih karena sebagai bahan yang mengandung vitamin C dan antioksidan. Daun stevia mengandung antioksidan seperti jihanol dan kaempferol. Sebagai sumber antioksidan yang mampu digunakan sebagai pengobatan penderita Diabetes mellitus. Tujuan penelitian ini mengkaji tentang pengaruh gelatin terhadap uji kadar antioksidan dan vitamin C pada permen lunak rosella (Hibiscus sabdariffa) dengan penambahan ekstrak stevia. Penelitian ini menggunakan rancangan acak lengkap satu faktor, pembuatan permen dimulai dengan mengekstrak bunga rosella sebanyak 50 ml, stevia sebanyak 50 ml, penambahan sukrosa sebanyak 100 g dan variabel gelatin sebanyak 15%, 20%, 25%. Hasil uji kadar antioksidan dengan metode DPPH pada sampel gelatin 15%, 20%, dan 25% masing-masing diperoleh kadar antioksidan 1,49%, 1,15%, dan 1,07%. Hasil uji kadar vitamin C dengan metode Iodimetri pada variasi gelatin 15%, 20%, dan 25% masing-masing diperoleh 10,98 mg, 11,31 mg, dan 11,87 mg. Kesimpulan yang diperoleh bahwa semakin banyak penambahan gelatin maka kadar antioksidan semakin berkurang dan kadar vitamin C semakin betambah.
Co-Authors ARDIANSYAH ARDIANSYAH Crisviantoro, Nugroho Insani, Liga Jatayu, Diklawati Jayawarsa, A.A. Ketut Kun Harismah Mahendra, I Gede Rezza Wicaksono, Carnelius Dimas Gallant Wiyasa, Made Wisnu