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All Journal Gema Agro WICAKSANA: Jurnal Lingkungan dan Pembangunan

Ni Made Darmadi

Program Studi Manajemen Sumber Daya Perairan, Fakultas Pertanian, Universitas Warmadewa

Author-ID : 4073834

Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture

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Pengaruh penanganan ikan tongkol (Auxis thazard) segar yang berbeda terhadap kadar histamin dan mutu organoleptik Nyoman Rai Wijana; I Gde Suranaya Pandit; Ni Made Darmadi
GEMA AGRO Vol 23 No 2 (2018)
Publisher : Fakultas Pertanian, Universitas Warmadewa

This study uses an experimental method using a Completely Randomized Design (CRD) with a single factor, namely handling different fish to organoleptic quality histamine levels consisting of several levels of treatment such as: Handling of tuna at room temperature (control), Handling of mackerel tuna with addition of crushed ice 25% bb which produces a temperature of ±180C, Handling of tuna with the addition of people's salt (10% bb), Handling of mackerel tuna with a mixture of 12.5% ice and 5% salt of the people. The results of the study the effect of handling tuna made histamine levels differ greatly real. The amount of histamine at room temperature averaged 47.78 mg/100g, the amount of histamine in the treatment of crushed ice was 1:4 so that the temperature reached ±18°C averaged 11.30 mg/100g, the amount of histamine in the salt treatment of the people (10% bb) average of 31.00 mg/100g and the amount of histamine in the treatment of 50% mixed treatment B and 50% treatment C averaged 21.45 mg/100g. The effect of handling mackerel tuna makes organoleptic quality that is very significantly different based on appearance. The best appearance in the treatment of crushed ice is 1:4 so that it reaches a temperature of ±18°C of 8.00 with brilliant specifications rather reddish, strong scales, thin mucus. The effect of ear tuna handling results in very different organoleptic qualities based on the eye. The best eye condition in the treatment of 1:4 ice destruction so that the temperature reaches ±18°C at 7.722 with convex specifications, the cornea is somewhat foggy, the pupil is rather dim. The effect of handling mackerel tuna makes organoleptic quality very different based on texture. The texture conditions are best at 1:4 crushed ice treatment so that the temperature reaches ±18°C at 7.83 with elastic specifications. The effect of the handling of tuna produces different organoleptic qualities that are very real based on odor. The analysis showed that the smell was the best in the treatment of 1:4 crushed ice so that the temperature reached ±18°C at 7.778 with the specification of a soft fishy odor. Handling of mackerel tuna should use 1:4 crushed ice to reach a temperature of ±180C because it can maintain histamine levels and organoleptic quality of the fish as a whole.

Analisis Status Trofik Dan Struktur Saprobik Fitoplankton Di Bendungan Telaga Tunjung, Kabupaten Tabanan, Bali I Gede Pransidi; Ni Made Darmadi; I Wayan Arya; Dewa Gede Semara Edi; I Made Kawan
GEMA AGRO Vol 25 No 1 (2020)
Publisher : Fakultas Pertanian, Universitas Warmadewa

Plankton is instrumental in the aquatic ecosystem, plankton can be an indicator of fertility and pollution. The quality of a water especially the flooded waters can be determined based on the fluctuations of the plankton population that will affect the trophic levels of the waters. The quality of a water can be measured by knowing the value of the Saprobic Index (SI). The Saprobic index is an index that closely relates to the pollution level. This research aims to determine the level of fertility and pollution levels in the waters of Telaga Tunjung Dam, based on the status of Trophic and Saprobic's structure of Phytoplankton, knowing the relationship (linkage) of trophic status and structure Saprobic phytoplankton with variable water quality in Telaga Tunjung Dam. The methods of study used are descriptive methods of case study. The research was conducted on five stations with four repetitions. Plankton sampling performed actively using plankton net with mesh size 60 μm diameter 25 cm. Based on the results of the status of the trophic waters in Telaga Tunjung Dam is at the head of high Water Fertility (Eutrofik). The pollution level is mild to moderate water with a saprobic index from 0,739 to -0,583. The trophic level relationship and the saprobic structure with the water quality variable show that good water quality affects the abundance of high phytoplankton and mild to moderate pollution levels.

Deteksi Keberadaan Parasit Anisakis sp. Pada Ikan Layang (Decapterus sp.) Yang Diperdagangkan Di Pasar Ikan Kedonganan, Bali Siti Komariah; I Gde Suranaya Pandit; Ni Made Darmadi
GEMA AGRO Vol 25 No 2 (2020)
Publisher : Fakultas Pertanian, Universitas Warmadewa

This study aims to determine the presence of Anisakis sp. and the prevalence of infection in ikan layang (Decapterus sp.) traded at the Kedonganan Fish Market, Badung Regency, Bali for three days. The study was conducted in March-April 2020 at the Food Analysis Laboratory of the Faculty of Agriculture, Warmadewa University, Denpasar. The method used in this research is descriptive which is a method for describing the presence of Anisakis sp. in ikan layang traded in Traditional and Hygienic Markets in Kedonganan, Badung Regency, Bali. Tests in this study include examination of parasites in the digestive tract of ikan layang, identification of parasites Anisakis sp. and prevalence. Assessment of raw material for ikan layang as an organoleptic sample and identification of ikan layang was also taken as supporting data in this study. The results showed that the raw material for ikan layang samples on the first day of sampling was still in good condition and had the same characteristics or ikan layang as the species of Decapterus ruselli. While the results of the detection of the presence of parasites Anisakis sp. in ikan layang showed that from 30 samples of ikan layang, there were 25 samples that were positively infected by stage three larvae of Anisakis sp. resulting in a prevalence of 83.33% (Usually). The parasite was found attached to the abdominal cavity, the surface of the outer wall of the stomach, intestines and fish flesh.

Pengaruh Penggunaan Bahan Pengawet Alami pada Ikan Layang Segar (Decapterus russelli) pada Umur Simpan Tiga Hari Terhadap Mutu Jefrianto Nggau Behar; I Gde Suranaya Pandit; Ni Made Darmadi
GEMA AGRO Vol 26 No 1 (2021)
Publisher : Fakultas Pertanian, Universitas Warmadewa

This study is aimed at recognizing the effect that the use of natural preservative material might have on the fresh gliding fish (decapcontinue russelli) at the age of three days to quality. Research carried out in july 2020 at the waregod university agricultural departement and the marine service laboratory and the uptd fishheries the quality testing and application of fisheries results. the design used is a complete randomness (RAL) with a single factor in treatment of different natural preservative material, with four different treatment and four deuteronomy without preservative material, grinding ice 4:1, salt 4:1 and lime 10% concentration. objective observations include a total volatile base, water level, ph, total acid, salinity and microbial test, the total plate count. best research result are derived on the use of the pulverized ice 4:1 ingredient from objective observation (a total volatile base 22,27 mg, water level 78,23%, pH 6,95, total acid 0,39%, salt level 5,03%, total plate count 7,7x103c/g ). while from a subjective observationt of your best judgment is on treatment with materials salt presrvative 4:1 (mark 7,13, smell 6,68 and texture 7,30).

PKM KELOMOK TANI IKAN DI DESA BEBETIN, KECAMATAN SAWAN, KABUPATEN BULELENG PROVINSI BALI Dewa Nyoman Sadguna; I Made Kawan; Ni Made Darmadi
WICAKSANA: Jurnal Lingkungan dan Pembangunan Vol. 3 No. 2 (2019)
Publisher : Lembaga Penelitian, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/wicaksana.3.2.2019.1-20

Kegiatan Program Kemitraan Masyarakat (PKM) dengan Kelompok Pembudidaya Ikan Mina Anakan Jepun dan Unit Pembenihan Rakyat (UPR) di Desa Bebetin, Kecamatan Sawan, Kabupaten Buleleng adalah berdasarkan kebutuhan kelompok tani mitra untuk memproduksi benih ikan Nila baik secara kuantitas maupun berkualitas melalui penerapan teknologi tepat guna yaitu pemijahan ikan menggunakan “Kantong Jaring Tenggelam” dan panen benih menggunakan “Jaring Gelar” serta penerapan manajemen administrasi kegiatan kelompok pada kelompok mitra. Teknologi ini sangat diharapkan mengingat sampai saat ini kelompok belum mampu memenuhi kebutuhan benih ikan nila untuk pembudidaya ikan KJA di Danau Batur. Kelompok mitra yang telah diberikan penyuluhan & diskusi, pelatihan manajemen administrasi kegiatan kelompok dan praktek pemijahan ikan penggunakan “kantong jaring tenggelam” dan praktek panen benih menggunkan “jaring gelar”, telah mengikuti kegiatan dengan serius dan 95 persen (%) peserta mampu menenerapkan teknologi tepat guna yang telah diprogramkan. Hasil praktek penggunakan alat pemijahan dengan “kantong jaring tenggelam” dan penen benih dengan “jaring gelar”, dapat menghasilkan benih dengan daya hidup 99% dimana sebelumnya hanya bisa mencapai kurang dari 50%. Demikian pula benih yang dikirim sampai kepada konsumen benih (para Pembudidaya ikan di Danau Batur) dapat mecapai daya hidup 100% dibandingkan sebelumnya maksimal mencapai 70%. Kantong Jaring Tenggelam, Jaring Gelar, manajemen Kelompok

Co-Authors Dewa Gede Semara Edi Dewa Nyoman Sadguna I Gde Suranaya Pandit I Gede Pransidi I Made Kawan I Wayan Arya Jefrianto Nggau Behar Nyoman Rai Wijana Siti Komariah

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