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Sains Akuakultur Tropis : Indonesian Journal of Tropical Aquaculture
Published by Universitas Diponegoro
ISSN : -     EISSN : 26210525     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
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Articles 7 Documents
 1 
Search results for , issue "Vol 3, No 2 (2019): SAT Edisi September" : 7 Documents clear
Pengaruh pengkayaan Brachionus rotundiformis dengan dosis vitamin (B1, B6, B12 dan vitamin C) berbeda dalam feeding regimes terhadap kelulushidupan dan pertumbuhan larva bandeng (Chanos chanos) Gina Salsabila; Suminto Suminto; Ristiawan Agung Nugroho
Sains Akuakultur Tropis : Indonesian Journal of Tropical Aquaculture Vol 3, No 2 (2019): SAT Edisi September
Publisher : Departemen Akuakultur FPIK UNDIP

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1104.027 KB) | DOI: 10.14710/sat.v3i2.3363

Abstract

Ikan bandeng (Chanos chanos) merupakan komoditas perikanan air payau yang sangat potensial untuk dikembangkan dalam budidaya. Produksi larva bandeng dipengaruhi oleh jenis pakan alami rotifer. Peningkatan nutrisi rotifer dapat dilakukan melalui pengkayaan (enrichment) dengan vitamin B1, B6, B12 dan C. Kombinasi vitamin ini diharapkan mampu meningkatkan pertumbuhan dan kelulushidupan larva. Penelitian ini bertujuan untuk mengkaji pengaruh pengkayaan B. rotundiformis dengan dosis vitamin (B1, B6, B12 dan C) yang berbeda terhadap kelulushidupan dan pertumbuhan larva. Pengambilan data dilakukan saat larva berusia D3 – D15 dan D15 – D20. Larva D3 dipelihara selama 20 hari di dalam 15 bak plastik yang berisi 30L air payau dengan kepadatan 600 ekor/bak. Penelitian menggunakan metode eksperimental dengan Rancangan Acak Lengkap (RAL) terdiri atas 5 perlakuan dengan 3 kali pengulangan, yaitu: A (Pengkayaan rotifer 0 µg/mL vitamin B12 dan 0 µg/mL vitamin C), B (0,7 µg/mL vitamin B12 dan 4 µg/mL vitamin C), C (1,4 µg/mL vitamin B12 dan 4 µg/mL vitamin C), D (2,1 µg/mL vitamin B12 dan 4 µg/mL vitamin C), E (2,8 µg/mL vitamin B12 dan 4 µg/mL vitamin C). Hasil penelitian menunjukkan bahwa pengkayaan rotifer dengan vitamin B1, B6, B12 dan C berpengaruh sangat nyata (P<0,01) terhadap Pertumbuhan Panjang Relatif (PPR) dan SR larva D3 – D15 dan berpengaruh sangat nyata (P<0,01) terhadap FCR, EPP, PER, RGR, PPR dan SR larva D15 – D20. Pengkayaan rotifer dengan vitamin B12 1,4 µg/mL dan vitamin C 4 µg/mL memberikan nilai terbaik pada SR periode pemeliharaan D3 – D15 (53,11±0,45%) pada periode D15 – D20 (96,86±0.03%), sedangkan pengkayaan rotifer dengan vitamin B12 0,7 µg/mL dan vitamin C 4 µg/mL memberikan nilai terbaik pada FCR (0,72±0,033), EPP(139,09±5,954%), PER (3,48±0,14%), RGR(5,36±0,22%/hari) and PPR (2,94±0,039%/hari).
Performa efisiensi pemanfaatan pakan dan pertumbuhan lele sangkuriang yang dibudidaya di desa tambaksari, kecamatan rowosari, kabupaten kendal melalui penambahan enzim papain dalam pakan buatan Diana Rachmawati; Istiyanto Samidjan; Johannes Hutabarat; Seto Windarto; Ristiawan Agung Nugroho
Sains Akuakultur Tropis : Indonesian Journal of Tropical Aquaculture Vol 3, No 2 (2019): SAT Edisi September
Publisher : Departemen Akuakultur FPIK UNDIP

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (534.85 KB) | DOI: 10.14710/sat.v3i2.5366

Abstract

Salah satu faktor penting dalam pemeliharaan lele sangkuriang (Clarias sp) adalah pakan. Biaya pakan dihitung sekitar 60-70% dari total biaya dalam satu siklus produksi. Tingginya porsi biaya pakan disebabkan oleh ketidakefisienan pakan. Salah satu solusi untuk mengatasi masalah tersebut adalah dengan menambahkan enzim papain dalam pakan. Tujuan dari penelitian ini adalah untuk menguji pengaruh suplementasi enzim papain dalam pakan terhadap pertumbuhan dan tingkat kelangsungan hidup lele sangkuriang (Clarias sp) yang dipelihara di kolam, di Desa Tambaksari, Kecamatan Rowosari, Kabupaten Kendal, Provinsi Jawa Tengah, Indonesia. Bibit lele sangkuriang yang digunakan memiliki berat rata-rata 2,23 ± 0,56 g / benih. Penelitian ini menggunakan metode eksperimental dengan Rancangan Acak Lengkap. Percobaan dilakukan dalam 4 (empat) perlakuan dan setiap perlakuan memiliki 4 (empat) pengulangan. Perlakuan terdiri dari penambahan enzim papain protease ke dalam pakan dengan dosis 0 mg / kg pakan (A), 0,75 mg / kg pakan (B), 1,5 mg / kg pakan (C) dan 2 , 25 mg / kg pakan (D). Hasil penelitian menunjukkan bahwa suplemen enzim papain dalam pakan secara signifikan (P <0,01) memengaruhi Specific Growth Rate (SGR); dan tidak berpengaruh signifikan (P> 0,05) Survival Rate  (SR) lele sangkuriang (Clarias sp). Dosis terbaik penambahan enzim papain adalah pada level 1,5 mg / kg pakan (perlakuan C) yang memiliki efek optimal pada pertumbuhan ikan. Parameter kualitas air masih dalam kisaran layak untuk membudidayakan lele sangkuriang (Clarias sp).
Pengaruh penambahan madu dengan dosis berbeda dalam media pengencer NaCl fisiologis terhadap kualitas sperma ikan tawes (Barbonymus gonionotus) Oni Septiana Devi; Titik Susilowati; Ristiawan Agung Nugroho
Sains Akuakultur Tropis : Indonesian Journal of Tropical Aquaculture Vol 3, No 2 (2019): SAT Edisi September
Publisher : Departemen Akuakultur FPIK UNDIP

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (572.875 KB) | DOI: 10.14710/sat.v3i2.3904

Abstract

Silver barb (Barbonymus gonionotus) is one of the freshwater fish that is native in Indonesia. One of the problems in hatching of silver barb is because the maturation period of gamete broodstock male and female fish does not happen together. The solution to solving this problem is through the application of reproductive biotechnology in form of sperm storage. High sperm concentration can inhibit spermatozoa activity and affect sperm to find microphils. The addition of honey in dilute solution of physiological NaCl is expected to be able to improve the quality of sperm of silver barb. The aim this research was to know the effect and the best honey dosage in physiological NaCl on sperm quality of silver barb. The test fish that will be used in this research is 1 broodstock male and 1 broodstock female with 1-1,5 years old. In this research, the Completely Randomized Design experimental method is used. This research also using 4 treatments and 3 repetitions. Those treatment were A (0 ml honey + 100 ml physiological NaCl), B (0,2 ml honey + 99,8 ml physiological NaCl), C (0,4 ml honey + 99,6 ml physiological NaCl), D (0,6 ml honey + 99,4 ml physiological NaCl). The result of this research shows, addition of honey with different doses in dilute solution of physiological NaCl gave significant effect (p < 0,05) on fertilization rate and hatching rate of silver barb. The treatment D (0,6 ml honey + 99,4 ml physiological NaCl) gave the best on fertilization rate 90,67% and hatching rate 86,67%.
Pengaruh penggunan fermentasi tepung kulit buah kakao ( Theobroma cacao L.) dalam pakan terhadap efisiensi pemanfaatan pakan dan pertumbuhan ikan mas ( Cyprinus carpio.) Seravina Seravina; Subandiyono Subandiyono; Agung Sudaryono
Sains Akuakultur Tropis : Indonesian Journal of Tropical Aquaculture Vol 3, No 2 (2019): SAT Edisi September
Publisher : Departemen Akuakultur FPIK UNDIP

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (971.042 KB) | DOI: 10.14710/sat.v3i2.3932

Abstract

Cacao pod husk (Theobroma cacao L.) is waste or by-products of agro-industry that was produced from cacao plants. The nutritional content of cacao pod husk consisted of 9,15% protein, 1,96 % lipid, 25,64 % crude fiber, 10,39% ash, and 52,86% nitrogen-free extract  (NFE). Crude fiber from cacao pod husk was difficult to be digested by fish.  The solution for that constraint was by applying fermentation proccess. This experiment was aimed to observe the influence of cacao pod husk flour which has been fermented first before added into the practical diets, on the feed efficiency and growth of carp (Cyprinus carpio). The trial fish used were carp (C. carpio) with an initial average body weight of 6,54 ± 0,07 g/fish. Feeding frequency applied was twice a day, i.e. at 08.00 a.m and 16.00 p.m. and by appliying an at satiation method. The fishes were cultured for 42 days with the stocking density of 1 fish/ 2L. The experimental method used was completely randomize design (RCD) with 4 treatments and 3 replicates. The treatment of A, B, C, and D were the trial diets with the concentration of cacao pod husk flour of 0, 10, 20, and 30%, respectively. The data measured were feed consumption, feed efficiency (FE), protein efficiency ratio (PER), growth (G), spesific growth rate (SGR), and survival rate (SR). The data showed that the use of fermented cacao pod husk flour in the diets resulted significant by effects (P<0,05) on the feed consumption, FE, PER,G, SGR, and SR. Treatment C resulted on the values of feed consumption i.e. 190.1±2.98g, FE i.e. 88.19±8.09%, PER i.e. 2.66±0.24%, G i.e. 7,26±0,11, SGR i.e. 1.68±0.13%, and SR i.e. 96,00±4,00%. The water quality parameters during this observe were varied between suitable range for fish life. It was concluded that the diet containing 20% of fermented cacao pod husk flour resulted on better feed efficency and growth of the carp.
Pertumbuhan dan produksi telur harpacticoida, Tigriopus sp. dengan salinitas media yang berbeda Suminto Suminto; Sarjito Sarjito; Rosalina Safitri; Diana Chilmawati
Sains Akuakultur Tropis : Indonesian Journal of Tropical Aquaculture Vol 3, No 2 (2019): SAT Edisi September
Publisher : Departemen Akuakultur FPIK UNDIP

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (708.648 KB) | DOI: 10.14710/sat.v3i2.3957

Abstract

Tigriopus sp. merupakan salah satu copepoda harpaticoida yang digunakan sebagai pakan alami zooplankton untuk pakan ikan air laut dan udang. Tigriopus sp. lebih toleran terhadap perubahan kondisi lingkungan seperti suhu dan salinitas, yang dapat berpengaruh terhadap produktivitas dan kepadatan individu. Penelitian ini bertujuan untuk mengkaji pengaruh salinitas media kultur yang berbeda terhadap pertumbuhan dan produksi telur Tigriopus sp. dan mengetahui salinitas terbaik serta salinitas optimal bagi pertumbuhan dan produksi telur Tigriopus sp. Rancangan yang digunakan ialah Rancangan Acak Lengkap (RAL) dengan 6 perlakuan dan 5 kali ulangan. Tigriopus sp. dengan kepadatan awal 1 ind/ml pada masing-masing perlakuan, dikultur pada media dengan salinitas yang berbeda selama 20 hari pemeliharaan. Salinitas media tersebut diantaranya 14 ppt (perlakuan A), 18 ppt (perlakuan B), 22 ppt (perlakuan C), 26 ppt (perlakuan D), 30 ppt (perlakuan E) dan 34 ppt (perlakuan F). Diet mikroalga yang diberikan ialah dari jenis Chaetoceros calcitrans dan Isochrysis galbana dengan kebutuhan 511.349:231.129 sel/ind/hari. Hasil menunjukkan bahwa salinitas berpengaruh sangat nyata (P<0,01) terhadap pertumbuhan namun tidak berpengaruh nyata (P>0,05) terhadap produksi telur Tigriopus sp. Hasil terbaik ditunjukkan pada perlakuan B (salinitas media 18 ppt) yang menghasilkan pertumbuhan dengan jumlah individu diakhir pemeliharaan sebanyak 47,8±0,31 ind/10 ml dan produksi telur Tigriopus sp. sebanyak 17,67±0,58 ind/10 ml. Jumlah individu terdiri dari stadia nauplii sebanyak 39,4±2,3 ind/10 ml, stadia copepodit sebanyak 3,8±1,1 ind/10 ml dan stadia dewasa sebanyak 5,4±2,1 ind/10 ml.
Pengaruh kadar protein pakan yang berbeda dengan rasio E/P 8,5 kkal/g protein terhadap pertumbuhan ikan nila (Oreochromis niloticus) Sefti Wulanningrum; Subandiyono Subandiyono; Pinandoyo Pinandoyo
Sains Akuakultur Tropis : Indonesian Journal of Tropical Aquaculture Vol 3, No 2 (2019): SAT Edisi September
Publisher : Departemen Akuakultur FPIK UNDIP

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (703.265 KB) | DOI: 10.14710/sat.v3i2.3265

Abstract

Feed utilization by tilapia (Oreochromis niloticus) was less optimal. Feed utilization efficiency (FUE) by tilapia could be improved by feed them with the suitable E/P ratio value of feed. This studi was aimed to examine the effect of various dietary protein with the E/P ratio of 8,5 kcal/g protein on the growth of nile tilapia. The experimental fish used was nile tilapia with the average body weight of 0,50±0,02 g/fish. The feed was given three times a day i.e. at 8.00 am, 12.00, and 4.00, pm by applied at satiation method. The experimental fish was maintained for 35 days with the density of 1 fish/l. The experiment used was completely randomized design with 4 treatments and 3 replicates. The treatments A, B, C, and D were trial feeds with protein content of 28, 30, 33, and 36% with DE content 240, 255, 280.5, and 306 kcal, respectively. The variables measured were total feed consumption (TFC), ratio efficiency protein (REP), specific growth rate (SGR), and survival rate (SR). The data showed that various dietary protein with equal E/P ratio resulted significantly effect (P<0,05) on FUE, REP, and SGR; but did not significantly effect (P>0,05) on TFC and SR. The TFC values of A, B, C, and D were 17,84±1,24, 18,70±0,28, 17,42±0,53, and 18,65±0,34 g; FUE values were 27,20±2,49, 38,19±3,84, 41,05±1,74, and 44,49±5,60%; REP values were 0,96±0,09, 1,28±0,13, 1,26±0,05, and 1,25±0,16%; and SGR values were 1,46±0,08, 1,94±0,28, 1,95±0,08, and 2,05±0,30%/day. The SR values of A, B, C and D were 100±0,00, 97,78±3,85, 97,78±3,85, and 95,33±4,04%, respectively. It was suggested that the increase of dietary energy and protein with a certain level of E/P ratio could improve the feed utilization efficiency and growth of tilapia
Penambahan kandidat probiotik Bacillus methylothrophicus secara berkala pada media pemeliharaan untuk pencegahan infeksi bakteri Aeromonas hydrophila pada ikan nila (Oreochromis niloticus) Femy Musthofa Ardy; Desrina Desrina; Alfabetian Harjuno Condro Haditomo
Sains Akuakultur Tropis : Indonesian Journal of Tropical Aquaculture Vol 3, No 2 (2019): SAT Edisi September
Publisher : Departemen Akuakultur FPIK UNDIP

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (832.233 KB) | DOI: 10.14710/sat.v3i2.4069

Abstract

Aeromonas hydrophila is a bacteria that causes of MAS disease (motile aeromonad septicemia) in freshwater fish cultivation and can cause mass death in a fairly short period of time in some species including tilapia. There are several alternative strategies in prevention, one of which is the use of probiotic bacteria as agents for controlling or preventing this disease. One candidate for probiotics that has been molecularly identified as 16sRNA and is known to have the ability to inhibit pathogenic bacteria is B. methylotrhrophicus. The aim of this research was to study B.methylotrophicus in inhibiting  A. hydrophila in Oreochromis niloticus culture. This research consisted of in vitro and in vivo test that used experiment method with completely randomized design with 4 treatments (density of 1 fishes/l) and 3 replications. The treatment consisted of a mixture of A. hydrophila 102 CFU/mL with B. methylotrophicus 109 CFU/mL (a) without addition of B. methylotrophicus (b) Addition every 3 days, (c) Addition every 5 days, (d) Addition every 7 day. 120 fishes at average weight of 17,5±1,9 g was used as experimental animals. Based on the in vitro test, the most powerful concentration of B. methylotrophicus to inhibit A. hydrophila was 109 cfu/mL with clear zone of 24,9±4,2 mm. In vivo tests show that the addition of B. methylotrophicus periodecally does not significantly affect survival rates, but can slow the gowth of A. hydrophila. Treatment D showed the highest survival rate (13.33%), followed by treatment A (6.66%), B (3.33%), and C (3.33%). These results indicate that B.methylotrophicus can prevent the gowth of A. hydrophila in vitro, and can increase SR by 6.66% in the in vivo test.

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