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All Journal AGRISAINS Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Iktiologi Indonesia (Indonesian Journal of Ichthyology) Jurnal Ilmiah AgriSains Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Jurnal TROFISH Journal of Public Health and Pharmacy Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan Mitra Sains
Jusri Nilawati
Program Studi Akuakultur, Fakultas Peternakan Dan Perikanan, Universitas Tadulako, Jl. Soekarno Hatta KM. 9, Tondo, Kec. Mantikulore, Kota Palu, Indonesia, 94148
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Materials Science & Nanotechnology Medicine & Pharmacology Physics Public Health Social Sciences

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Journal : Mitra Sains

 1 
Kajian Peningkatan Asam Lemak Omega-3 EPA dan DHA Pada Minyak Ikan Lele Yang Diberi Pakan Minyak Kacang Kedelai Rosmawati Salasah; Mappiratu Mappiratu; Jusri Nilawati
Mitra Sains Vol 4 No 2 (2016): April
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/mitrasains.v4i2.167

Abstract

The experiment purpose to find out fatty acid profil in catfish oil were used soybean oil with different level and to detect soybean oil concentrate in dietary hight produce catfish oil contens omega-3 fatty acid EPA and DHA. This research uses experimental methods and experimental design used completely randomized design (CRD) with five treatments , the percentage giving linolenic acid in the feed catfish at A = 0 % , B = 5 % , C = 10 % , D = 15 % , and E 20 % with each of the three replicates (15 experimental units) . Data were analyzed statistically is the content of EPA and DHA oils catfish at each treatment . Catfish oil extraction is done by wet rendering . How to wet rendering applied to fish that are high in fat and in large numbers . Further fatty acid content is determined based on the area that is formed using a Gas Chromatography . Soy bean oil as a source of linolenic acid in the diet had no effect on oil fatty acid profile catfish (Clarias sp) in terms of the aspect of the type of fatty acids , but in terms of aspects of the concentration of each type of soybean oil fatty acids influence . Changes in fatty acid levels to concentrations of soybean oil are generally not patterned , the pattern follows the curve of a parabola and hyperbole, at concentrations of 0%, 5% trend fatty acid concentration increased until optimal at concentrations of 10% and at a concentration of 15 % and 20 % trend of concentration fatty acids then declined. Soybean oil concentration in the feed oil producing catfish containing omega-3 fatty acids , EPA and DHA concentration is highest at 10 % . Generated at these concentrations of omega - 3 fatty acids 8.33%, 5.05% EPA and DHA of 1.14 % .
Keanekaragaman dan Prevalensi Bakteri Pada Karapas Cuora amboinensis (Riche in Daudin 1801) Asal Habitat Alam Rahaditiya, Mochammad Viekha; Tantu, Fadly Yasin; Nilawati, Jusri
Mitra Sains Vol 10 No 1 (2022): Maret
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/ms26866579.2022.v10.i1.pp1-11

Abstract

The aim of this research is to identify the diversity of bacterial types and determine the prevalence value of these bacteria on the carapace of C. amboniensis from natural habitats to support the provision of data that can later be used to support captive management activities and conservation actions C. amboniensis was collected manually and 20 individuals were obtained, samples were caught in December 2019. Data from bacterial identification was then used to calculate the prevalence of bacterial diversity. The identification results showed that there were 7 types of bacteria, most of which were Gram negative bacteria. The prevalence values were then calculated to obtain the results of A. caviae (5%), C. jejuni (30%), C. freundii (15%). ), F. breve (25%), L. monocytogenes (15%), P. haemolytica type A (5%), and P. alcaligenes (5%).
Pengkayaan Vitamin C Pada Pakan Silase Keong Mas (Pomacea canaliculata): Efek Terhadap Biomassa Dan Reproduksi Artemia sp. Skala Labolatorium Pramesty, Nur Ifada; Rosyida, Eka; Nilawati, Jusri
Mitra Sains Vol 11 No 2 (2023): September
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/ms26866579.2023.v11.i2.pp115-121

Abstract

Giving vitamin C to feed is very necessary considering that vitamin C is a multivitamin needed by the body. The purpose of this study was to determine the proper dose of vitamin C in the golden snail silage feed in increasing the biomass and reproduction of Artemia sp. The research was conducted at the Laboratory of Water Quality and Aquatic Biology, Department of Fisheries and Maritime Affairs, Faculty of Animal Husbandry and Fisheries, Tadulako University. The variables observed were population density, egg/cyst production, hatching rate, survival rate (SR), water quality. The study used a completely randomized design (CRD) with 5 treatments and 4 replications with 20 experimental units A: control , B: vitamin C 12 mg/L, C: vitamin C 18 mg/L, D: vitamin C 24 mg/L, E: vitamin C 30 mg/L. The results showed that vitamin C enrichment with a concentration of 24 mg/L had a very significant effect (p<0.05) on each variable. Improper concentration of vitamin C in feed enrichment can affect the survival of Artemia sp.
Co-Authors A.A. Ketut Agung Cahyawan W Abd. Rasyid Syamsuri Adetya Maryani Ahmad, Iftitah Asriani Hasanuddin Djadja S. Sjafei Eka Rosyida Fadly Y Tantu Fadly Y. Tantu Gina N. Putri Ismudi Muchsin Jalalludin Moh Ikram Jamaluddin Jamaluddin Jamaluddin Khildah Khaerati M. F. Rahardjo Mappiratu Mappiratu Minarny Gobel Minarny Gobel Moh. Fadli Muhamad Musbah Muhammad F. Haq Musayyadah Tis’in Musbah, Muhamad Novalina Serdiati Nurfitrih Nurfitrih Nurul Awwaliyah P. Firman Nurwijayanti Pramesty, Nur Ifada Prisma Wiryanti Putri A. Arta Rahaditiya, Mochammad Viekha Rasmina, Rasmina Renol, Renol Roni Hermawan Roni Hermawan, Roni Rosmawati Salasah S. Malasugi Sinta Amelia Siti B. Al-Amri Sulistiono Sulistiono Syahna Shaldan Syamsul Lakahoro Wa Ode S. Musnina Wijaya, Berniawan Wiryanti, Prisma Yen Todolo Yonelian Yuyun Yuliet Yuliet Yuliet