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All Journal Jurnal Akuakultur Indonesia Jurnal Perikanan dan Kelautan BERITA BIOLOGI

Ing Mokoginta

Fakultas Perikanan dan Ilmu Kelautan, Institut Pertanian Bogor

Author-ID : 321727

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Environmental Science Immunology & microbiology Social Sciences

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PENINGKATAN KUALITAS NUTRISI TEPUNG DAUN LAMTORO SEBAGAI PAKAN IKAN DENGAN PENAMBAHAN EKSTRAK ENZIM CAIRAN RUMEN DOMBA Fitriliyani, Indira; Harris, Enang; Mokoginta, Ing; Nahrowi, Nahrowi
BERITA BIOLOGI Vol 10, No 2 (2010)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

The aim of this experiment is to evaluate the nutrient quality of leucaena leaf meal (LLM) with addition of sheep rumen fluid enzyme for nile tilapia feed and incubated in vitro either for 2 or 24 hours. This experiment was arranged in a completely randomized design with 6 treatments and 3 replications. Those treatments were enzyme levels of 0, 20, 40, 60, 80, and 100 ml/ kg LLM. Results showed that nutrient quality of LLM with addition of sheep rumen fluid enzyme that incubated for 24 hours had the best result compared to that incubated for 2 hours. This finding significantly affected (PO.05) on the increase of sugar release (76.97%), soluble glucose (21.27%) and soluble protein (37.7%). It is concluded that sheep rumen fluid enzyme has a great potential for improving nutritional quality of leucaena leaf meal of fish feed.

PENGARUH PENAMBAHAN MINERAL Fe PADA PAKAN IKAN TERHADAP STATUS KESEHATAN IKAN KERAPU BEBEK (Cromileptes aftivelis) Setiawati, Mia; Mokoginta, Ing; Suprayudi, M.A.; Manalu, W.
Jurnal Perikanan dan Kelautan Vol 12, No 01 (2007)
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.12.01.55-63

This study was conducted to find out the health status of humpback grouper fish(('hrtmtileptes altiverts) that are fed on inorganic-iron supplement. Both, thetreatment and the control was tested in anoxia condition. The fish (average weight4.18±0.13 g/ind) was cultured in 60x40x50 cm3 aquarium and stocked by 10indJaquarium. The fish was reared for 10 weeks: and they were fed threetimes/day at satiation. Results shown that the fish fed by non-iron supplement wasmore susceptible than the normal condition; base on the index of leucocytes,nionocytes. phagocytic and MCHC distribution. However, 25 mg Fe/kgsupplement in the diet was increased concentration of Fe by 35% - 100% in liver,intestine, body tissue and enhance fish vitality at anoxia condition. The survivalrate of fish increased by 1.3 times compare to the non-iron supplementation.

Blood Glukose Response of Giant Gouramy (Osphronemus gaouramy, Lac.) to the Stress of Environmental Temperature Changes Hastuti, S.; Supriyono, Eddy; Mokoginta, Ing; Subandiyono, .
Jurnal Akuakultur Indonesia Vol. 2 No. 2 (2003): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

This experiment was conducted to investigate blood glucose performance of giant gouramy (Osphronemus gouramy, Lac.) to environmental changes. Fish with body weight of about 52,15 g was used in the experiment. A hundred and twenty fish were subjected to stress by moving them to another aquarium containing cooler water for 5 minute before put them back to the origin aquarium. The stress treatments were Δ 0°C (A), Δ-3°C (B), Δ-6°C(C), and Δ-9°C(D). Blood glucose was measured at 0, 1, 2, 3, 4 and 5 hours post stress, each for 5 fish. During stress treatment, the survival offish were recorded. To study the role of insulin activation on reducing the stress effects, thirty fish were injected with insulin 2 IU/100 g body weight before subjected them to stressar. Blood glucose level of fish subjected to temperature stress of Δ-9°C was the greatest. The blood glucose response to temperature changes was linear, Y = 4,4543 X + 35,553 with R2 = 0,09976. The survival rate of fish was 100% for all treatments. Injected of insulin 2 IU/100 g body weight was able to reduce hyperglycemia that caused by stress. Key words: Blood glucose, giant gouramy, Osphronemus gouramy, stress ABSTRAK Penelitian ini dilakukan dengan tujuan untuk mengetahui performa glukosa darah ikan gurami (Osphronemus gouramy, Lac.) dalam merespon perubahan suhu lingkungan. Ikan berbobot rata-rata 52,15 g sebanyak 120 ekor diberi stres dengan cara diangkat dan dipindahkan ke suatu wadah yang bersuhu lebih dingin selama 5 menit dan dikembalikan lagi ke wadah mula-mula. Perlakuan stres perubahan suhu dingin tersebut adalah A (Δ 0°C), B (Δ- 3°C), C (Δ-6°C) dan D (Δ-9°C). Glukosa darah diukur dari 5 ekor ikan pada jam ke 0, 1, 2, 3, 4 dan 5 jam pascastres. Kelangsungan hidup dihitung pada saat perlakuan stres. Untuk melihat peran aktivasi insulin dalam menekan efek stres, ikan sebanyak 30 ekor diinjeksi insulin 2 iu/100 g bobot badan sebelum diberi stres. Kadar glukosa darah ikan gurame yang diberi stres perubahan suhu dingin sebesar Δ-9°C mengalami peningkatan paling besar. Respon glukosa darah terhadap stres perubahan suhu tersebut berpola linier Y= 4,4543 X + 35,553, dengan R2 = 0,9976. Perlakuan tersebut menghasilkan kelangsungan hidup yang sama yaitu 100%. Injeksi insulin 2 IU/100 g bobot badan mampu menekan hiperglisemia akibat stres. Kata kunci: Glukosa darah, ikan gurami, Osphronemus gouramy, stres

Utilization of Cassava as Substitues of Wheat Flour for Common Carp Diets Mokoginta, Ing; Priyo Utomo, Nur Bambang; Akbar, A.D.; Setiawati, Mia
Jurnal Akuakultur Indonesia Vol. 2 No. 2 (2003): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

A triplicate experiment was conducted to evaluate cassava (Manihot esculenta) meal as alternative carbohydrate source for wheat flour in the diet of common carp (Cyprinus carpio L.). The diet contained 0%, 25%, 50%, 75%, and 100% of wheat flour were replaced by cassava meal in five treatment groups. Three fishes with 13.33 ±1.69 g initial body weights were cultured in a 50x40x35 cm aquarium for 40 days. Fish were fed on these diets three times a day at satiation. The study showed that growth rate, protein retention, lipid retention and feed efficiency of fish fed diets containing cassava meal up to 50% substitution levels were significantly (p

Effects of Probiotic Bacillus sp. on Food Convertion and Growth of Catfish Pangasius hypophthalmus Jusadi, Dedi; Gandara, E.; Mokoginta, Ing
Jurnal Akuakultur Indonesia Vol. 3 No. 1 (2004): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

A triplicate experiment was conducted to evaluate the addition of probiotic Bacillus sp. into the diet on feed convertion and growth of catfish Pangasius hypophthalmus. Twenty fish with an initial body weight of 1,85 ± 0,09 g were stocked in a 60-1 aquarium. During rearing period, fish were fed on the diet three times a day at satiation. Prior the feeding, probiotic (contained Bacillus sp. 4,2x106 CFU.ml-1) were added into the diet at a dosage of 0, 5, 15 or 25 ml.kg-1 diet. The probiotic were added once a day at the noon. The results showed that maximum protein retention, lipid retention, growth rate, and minimum feed convertion was found in the group of fish fed on the diet supplemented with 15 ml probiotic kg-1 diet. Irrespective to the dosage of probiotic, food consumption and survival rate of fish were the same among the treatments. Key words : Probiotic. Bacillus sp.. catfish Pangasius hypophthalmus. ABSTRAK Penelitian ini bertujuan untuk mengetahui dosis yang optimal dari probiotik Bacillus sp. yang ditambahkan pada pakan komersil terhadap konversi pakan dan pertumbuhan benih ikan patin Pangasius hypophthalmus. Dua puluh ekor ikan patin dengan bobot rata-rata 1.85 ± 0,09 g ditebar dalam setiap akuarium frekuensi 50x40x35 cm yang diisi air 60 1. Selama 40 had masa pemeliharaan. ikan diberi pakan buatan berkadar protein 27% dengan frekwensi tiga kali sehari, at satiation. Sebelum diberikan ke ikan, pakan tersebut ditambah produk probiotik (mengandung Bacillus sp. 4,2 x 106 CFU/ml) dengan dosis 0, 5, 15 atau 25 ml/kg pakan. Pakan yang mengandung probiotik hanya diberikan sekali setiap hari, yakni pada pukul 13.00. Hasil penelitian menunjukkan bahwa adanya penambahan probiotik dalam pakan sampai dosis 15 ml/kg pakan menyebabkan terjadinya peningkatan retensi protein, retensi lemak dan laju pertumbuhan harian ikan, serta menurunkan konversi pakan. Penambahan probiotik lebih lanjut (25 ml/kg pakan) menurunkan kinerja pertumbuhan di atas. Sementara itu. kelompok ikan di setiap perlakuan mengkonsumsi pakan dalam jumlah yang tidak berbeda nyata, yaitu antara 132,43 g sampai 137,84 g. Hasil penelitian juga menunjukkan bahwa penambahan probiotik di dalam pakan tidak memberikan adanya perbedaan yang nyata terhadap tingkat kelangsungan hidup ikan, yaitu antara 98,3% - 100%. Kata kunci: Probiotik. Bacillus sp.. ikan patin Pangasius hypophthalmus

Improvement of survival and development of Pacific white shrimp Litopenaeus vannamei larvae by feeding taurine enriched rotifers Jusadi, Dedi; Ruchyani, Syarifah; Mokoginta, Ing; Ekasari, Julie
Jurnal Akuakultur Indonesia Vol. 10 No. 2 (2011): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

ABSTRACTThe objective of the present experiment was to study the most optimum taurine enrichment concentration of rotifers in improving Pacific white shrimp larva Litopenaeus vannamei survival and development. White shrimp larvae at sixth naupliar stage were reared in 12 units of 500 L fibre glass tanks with a stocking density of 125 ind/L. Starting from zoea two stage (Z-2), the larva was provided with rotifers with different taurine enrichment concentration according to the treatments, i.e. 0 mg/L enrichment medium (A), 25 mg/L (B), 50 mg/L(C), and 100 mg/L (D). The results show that different taurine concentration in the enrichment media increased taurine level in rotifers. Furthermore, the administration of taurine enriched rotifers up to 50 mg/L significantly improved larval survival and may accelerate larval development. The experimental results also concluded that a concentration of 50 mg/L is the most optimum taurine enrichment concentration of rotifers for the improvement of white shrimp larval survival and developmental stage.Keywords: taurine, rotifer, white shrimp, enrichmentABSTRAKPenelitian ini bertujuan untuk mengkaji konsentrasi optimum taurin melalui pengayaan pada rotifera terhadap tingkat kelangsungan hidup dan perkembangan stadia larva udang vaname Litopenaeus vannamei. Larva udang vaname stadia naupli-6 dipelihara dalam 12 tangki fiberglass volume 500 L dengan kepadatan 125 ind/L. Dimulai sejak stadia zoea 2 (Z-2) larva diberi rotifera yang diperkaya dengan taurin dengan konsentrasi yang berbeda sesuai dengan perlakuan, yaitu 0 mg/L media pengkaya (A), 25 mg/L (B), 50mg/L (C), dan 100mg/L (D). Hasil penelitian menunjukkan pengayaan taurin pada konsentrasi yang berbeda menyebabkan peningkatan kandungan taurin rotifera. Sementara pemberian rotifera yang diperkaya taurin hingga 50 mg/L meningkatkan kelangsungan hidup dan mempercepat perkembangan stadia larva udang. Berdasarkan hasil penelitian ini dapat disimpulkan bahwa pemberian rotifera yang diperkaya taurin dengan konsentrasi 50 mg/L menghasilkan tingkat kelangsungan hidup tertinggi (53,5%) dan perkembangan larva yang tercepat (p<0,05) dibandingkan perlakuan lainnya.Kata kunci: taurin, rotifera, udang vanname, pengayaan

Co-Authors A.A. Ketut Agung Cahyawan W A.D. Akbar DEDI JUSADI E. Gandara Eddy Supriyono Enang Harris Indira Fitriliyani Julie Ekasari M.A. Suprayudi Mia Setiawati Nur Bambang Priyo Utomo S. Hastuti Syarifah Ruchyani W. Manalu

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