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Substitution of Fish Meal with Chicken Feather Silage Meal on Feed Can Improve Growth Performance of Striped Catfish (Pangasius hypopthalmus) Diana rachmawati; Istiyanto Samidjan; Dicky Harwanto; Hadi Pranggono
Journal Omni-Akuatika Vol 14, No 3 (2018): Omni-Akuatika November
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

The purpose of this research is to study the effect of substitution of fish meal with silage meal of chicken feathers on feed to protein digestibility, growth and survival rate of striped catfish (Pangasius hypopthalmus). The test fish used is catfish with an average weight of 2.31 ± 0.04 grams /fish. This research used experimental method with Completely Randomized Design, 5 treatments in triplicate. The treatments in this study were substitution of fish meal meal with different dose of chicken feather meal, namely A, B, C, D and E (0%; 25%; 50%; 75% and 100% silage meal of chicken feathers, respectively). Parameters observed included relative growth rate (RGR), feed conversion ratio (FCR), protein efficiency ratio (PER), Apparent Digestibility Coefficient of Protein (ADCP), and survival rate (SR) of catfish. The results showed that the substitution of fish meal with chicken feather silage meal was very significant (P <0.01) to RGR, FCR, PER, and ADCP, but no significant effect (P> 0.05) on SR of catfish. Dose 25% silage chicken feather meal in the feed is the best dose to improve the RGR and ADCP of catfish. Water quality during the study is still within a reasonable range for catfish culture.

REKAYASA BUDIDAYA KEPITING BAKAU MELALUI PEMOTONGAN KAKI JALAN DALAM UPAYA PENINGKATAN PRODUKSIKEPITING SOKA (SOFT SHELL) Istiyanto Samidjan; Diana Rachmawati
Pena Jurnal Ilmu Pengetahuan Dan Teknologi Vol 28, No 1 (2015): Pena Maret 2015
Publisher : LPPM Universitas Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31941/jurnalpena.v28i1.137

This study aimed to determine the effect of cutting the foot of the survival, growth and the rate of mangrove crab molting, to know the cutting foot path can maintain the survival, growth and molting best for mud crab. This study used an experimental method with a completely randomized design (CRD) 6 treatments and 10 replications that treatment A (1 foot cutting path, B (cutting 2 feet or legs road), C (3 ft cutting path), D (cutting 4 feet or two pairs of feet road), E (cutting all roads feet), and F (without cutting the foot of the street). the material used were 120 mangrove crab tails with an average weight of 100 g / head. Case studies in the form of basket made of plastic sheeting with the size of 30x30x20 cm by 100 basketball. the data was taken from the data of survival, absolute growth, the daily growth. the data were analyzed variety, to determine differences among the treatments tested the effect of Dual Duncan area. While the water quality data, the rate of molting analyzed descriptively. The results showed that cutting the leg was highly significant (P <0.01) to the absolute growth and the daily growth, but significant (P <0.05) against survival rate and molting. The highest absolute growth value E (64.48 ± 28.41g), and the highest daily growth rate in treatment E (2:08 ± 0.79%). The highest survival value was treated F (90 ± 31.62%) and the highest molting in treatment E (80 ± 42.16%). Water quality media for research on decent range for maintenance of mud crab (Scylla paramamosain).Keywords : Mud crab, cutting the foot path, growth, survival, and molting

PERFORMAN LAJU PERTUMBUHAN RELATIF DAN KELULUSHIDUPAN UDANG VANNAME (Litopenaeus vannamei) MELALUI SUBSTITUSI TEPUNG IKAN DENGAN SILASE TEPUNG CACING TANAH (Lumbricus rubellus) Diana Rachmawati; Istiyanto Samidjan
Pena Jurnal Ilmu Pengetahuan Dan Teknologi Vol 28, No 1 (2015): Pena Maret 2015
Publisher : LPPM Universitas Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31941/jurnalpena.v28i1.135

The objective of this study was to examine the effect of feeding substitution from fish meal to earthworm meal silage (Lumbricus rubellus) and also to determine the best dose of feeding substitution from fish meal to worm meal (Lumbricus rubellus) on relative growth rate and survival rate of Vanname Shrimp (Litopenaeus vannamei). Methodology used in this study was laboratory treatments with complete random design. The study consisted of four treatments and three repetitions. The treatments were feeding substitution from fish meal to worm meal with four different levels of mix; those were treatment A (0% of earthworm meal silage + 100% of fish meal), treatment B (25% of earthworm meal silage + 75% of fish meal), treatment C (50% of earthworm meal silage + 50% of fish meal), and treatment D (75% of earthworm meal silage + 25% of fish meal). The average weight of the Vanname shrimp used in this study ranged 1.7 ± 0.017 g/fish with stock density of 1 fish per liter. The artificial feed was in the form of pellet. Feeding time was three times a day. The results show that the substitution of feed ingredient from fish meal to earthworm meal silage significantly (P<0.01) affected on relative growth rate; however, it did not significantly (P>0.05) affect on survival rate of Vanname shrimp. The study also shows that the best level of feeding substituion from fish meal to earthworm meal silage was at the level of 25% (treatment B). The water quality during study was in viable range for the Vanname Shrimp (Litopenaeus vannamei) cultivation. Key words : Vanname shrimp, Substitution, Silage, Relative Growth, Survival Rate

ANALISIS TINGKAT KECERAHAN WARNA IKAN PLATY PEDANG (Xiphophorus helleri) MELALUI PENAMBAHAN ASTAXANTHIN DENGAN DOSIS BERBEDA PADA PAKAN KOMERSIAL Diana Rachmawati; Istiyanto Samidjan; Pinandoyo Pinandoyo
Pena Akuatika Jurnal Ilmiah Perikanan Dan Kelautan Vol 13, No 1 (2016): PENA AKUATIKA JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Fakultas Perikanan Universitas Pekalongan

Platy sword fish (Xiphophorus helleri) is one of ornamental fishes which are commonly raised. The price of platy sword fish could decrease if they have fade coloration on their body. One of solution to improve and maintain quality of the color is by adding astaxanthine into its artificial feed. This study aims to analyze effects of the astaxanthine addition in artificial feed on an increase of color intensity of platy fish as well as to find optimal dose of astaxanthine. Fish used to be tested is platy sword fish ( X. helleri ) with the total of 120 tails in which they have an average weight of 2,0 ± 0,06 g per fish. Astaxanthine used in this study is obtained from PT. Indobeta Store Jakarta. While feed used in this study is commercial pellet containing protein 30 % and by adding astaxanthine based on the treatments, those are A treatment (0 mg astaxanthine/kgfeed), B treatment (100 mg astaxanthine/kg-feed), C treatment ( 200 mg astaxanthine/kg-feed ), and D treatment ( 300 mg astaxanthine/kg-feed ). Observation of the color intensity was conducted in 6 weeks using TCF (Toca Color Finder). The addition of astaxanthine into artificial feed with different doses can influence on the increase of color intensity of platy sword fish (X. helleri). Astaxanthine dose of 200 mg/kg feed is best dose for the increase of color intensity of platy sword fish (X heller ).Keywords: platy sword fish, astaxanthine, color intensity, survival rate

PEMANFAATAN PAKAN IKAN JUWI (ANADONTOSTOMA CHUCUNDA) OLEH KEONG MACAN (BABYLONIA SPIRATA L.) PADA MEDIA BUDIDAYA DENGAN SALINITAS BERBEDA Diana Rachmawati; Istiyanto Samidjan; Titik Susilowati
Pena Akuatika Jurnal Ilmiah Perikanan Dan Kelautan Vol 16, No 1 (2017): PENA AKUATIKA JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Fakultas Perikanan Universitas Pekalongan

This research aims to study the effect of cultivation media with the salinity differences on the feed usage, growth, osmotic work (TKO) and survival rate of Spotted Babylon (Babylonia spirata L.) and to find the best cultivation media with the salinity differences on the feed usage, growth, osmotic work (TKO) and survival rate of Spotted Babylon (B. spirata L.). The animals used in this study were obtained from Jepara water area with the average weight of 8,37±0,032 g/. There were 81 animals and raised in 56 days. The natural feed to give was Juwi fish with the amount of 5% of their body weight per day. The research method used in this study was a laboratory experiment with completely randomized design. The treatment use was the salinity differences of the cultivation media with salinity rate of A (27 ppt), B (31 ppt) and C (35 ppt). The results show that the salinity differences of the cultivation media significantly affected (P<0.01) on the feed usage, growth, osmotic performance, but insignificantly affected on the survival rate of Spotted Babylon (B. spirata L.) The cultivation media with the salinity rate of 31 ppt was the best salinity for the feed usage, growth, and osmotic performance of Spotted Babylon (B. spirata L.)Keywords: Spotted Babylon (Babylonia spirata L.), feed usage, salinity, domestication.

PENGARUH ENZIM PROTEASE PAPAIN DALAM PAKAN BUATAN TERHADAP PERTUMBUHAN DAN NET PROTEIN UTILIZATION BENIH LELE SANGKURIANG YANG DIBUDIDAYA DI DESA WONOSARI, KECAMATAN BONANG, KABUPATEN DEMAK Johannes Hutabarat; Diana Rachmawati; Istiyanto Samidjan
Pena Akuatika Jurnal Ilmiah Perikanan Dan Kelautan Vol 14, No 1 (2016): PENA AKUATIKA JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Fakultas Perikanan Universitas Pekalongan

Availability of diet in Sangkuriang catfish (Clarias gariepinus) cultivation is becoming a main concern. One of the problems in the artificial diet is that the protein content could not fully be utilized by the catfish. To solve the problem is by adding papain protease in the artificial diet. This study was conducted to evaluate the effect of papain protease enzyme in artificial diet on diet utilization efficiency and growth performance of sangkuriang catfish (Clarias gariepinus) fingerlings in the Village of Tambaksari, Sub-district of Rowosari, District of Kendal, and Central Java. The fingerlings with initial body weight averaging 4.23±0,30 g were cultivated with the density of 1 fingerling per liter. The fingerlings were obtained from Center for Hacthery, Muntilan. The fingerlings were fed with artificial diet in four different doses of papain enzyme: A (0%), B (0.75%), C (1.5%), and D (2.25%). The experiment used Complete Random Design with 4 (four) treatments and each treatment replicated 3 (three) times. The results show that the addition of papain protease enzyme significantly (P<0.01) affected on the spesific growth rate (SGR) and net protein utilization (NPU). It could be concluded that the addition of papain protease enzyme could increase the specific growth rate (SGR) and net protein utilization (NPU) of Sangkuriang catfish (Clarias gariepinus) fingerlings. Optimum papain protease enzyme dose on the specific growth rate was 2.25% per kg diet. The water quality during study was still in the viable ranges for Sangkuriang catfish (Clarias gariepinus) fingerlings cultivation.Key word: papain protease enzyme, artificial diet, growth, sangkuriang catfish fingerlings

3. Manajemen Kualitas Air Media Budidaya Ikan Lele Sangkuriang (Clarias gariepinus) dengan Teknik Probiotik pada Kolam Terpal di Desa Vokasi Reksosari, Kecamatan Suruh, Kabupaten Semarang Diana Rachmawati; Istiyanto Samidjan; Heryoso Setyono
Pena Akuatika Jurnal Ilmiah Perikanan Dan Kelautan Vol 12, No 1 (2015): PENA AKUATIKA JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Fakultas Perikanan Universitas Pekalongan

Cultivation of Sangkuriang catfish (Clarias gariepinus) intensively can result in the decrease of quality of cultivation media water, among others the decrease of dissolved oxygen content and the increase of waste content especially organic nitrogen. The technology has been implemented to manage the activities of Sangkuriang catfish cultivation in Reksosari Vocational Sub-District, Suruh District, Semarang Regency using probiotic in cultivation media. This study aimed to compare the growth of Sangkuriang catfish raised by using probiotic and non-probiotic system cultivation media. The test animals used in this study were Sangkuriang catfish seedlings of 10 days for 500 seedlings raised for 30 days. The observation was conducted on day-0, day-15, and day-30. The observed parameters of growth were water temperature, dissolved oxygen, pH, and ammonia. The study result indicated that there was a difference in length and weight increase of Sangkuriang catfish in probiotic and non-probiotic application cultivation media. Although the increase of growth was not significant, but it could give illustration that Sangkuriang catfish raised using probiotic application experienced a better growth. It indicated that the feed given and the raising media could support the growth of Sangkuriang catfish. The raising media implementing probiotic technique showed a better and relatively ideal condition for Sangkuriang catfish. Keyword: Sangkuriang, catfish, management, water quality, probiotics

APLIKASI TEKNIK PROBIOTIK TERHADAP KUALITAS AIR MEDIA BUDIDAYA IKAN LELE SANGKURIANG (Clarias gariepinus) DI DESA TAMBAKSARI, KECAMATAN ROWOSARI, KABUPATEN KENDAL Diana Rachmawati; Istiyanto Samidjan; Slamet Budi Prayitno
Pena Akuatika Jurnal Ilmiah Perikanan Dan Kelautan Vol 14, No 1 (2016): PENA AKUATIKA JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Fakultas Perikanan Universitas Pekalongan

Application of probiotic technology is done to maintain water quality of aquaculture media of Sangkuriang catfish in Tambak Sari Village, Rowosari District, Kendal Regency. The aims of this study was to determine the effect of probiotic on water quality of Sangkuriang catfish cultivation medium in Tambak Sari Village. Sangkuriang catfish with age 15 days is material used in this study. Sangkuriang catfish kept for 45 days. The results showed there was a difference in the increase of body length and weight of Sangkuriang catfish on the culture medium with the application of probiotics and unprobiotics. media aquculture of applying probiotic techniques showed better and more feasible conditions for the cultivation of the Sangkuriang catfish.Key word : Sangkuriang catfish, aquaculture, probiotic

Performan Kecernaan Protein, Efisiensi Pemanfaatan Pakan, Pertumbuhan, Dan Kelulushidupan Benih Lele Sangkuriang (Clarias gariepinus var. Sangkuriang) Melalui Penambahan Asam Amino Lisin Dalam Pakan Buatan Diana Rachmawati; Istiyanto Samidjan; Tristiana Yuniarti
Pena Akuatika : Jurnal Ilmiah Perikanan dan Kelautan Vol 23, No 1 (2024): PENA AKUATIKA JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Fakultas Perikanan Universitas Pekalongan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31941/penaakuatika.v23i1.3753

Lisin merupakan asam amino pembatas dalam pakan dikarenakan sumber protein nabati yang digunakan sebagai bahan penyusun pakan defisiensi lisin. Kekurangan asam amino menyebabkan penurunan efisiensi pemanfaatan pakan dan pertumbuhan. Tujuan penelitian ini adalah mengkaji penambahan lisin pada pakan buatan terhadap kecernaan protein, efisiensi pemanfaatan pakan, pertumbuhan, dan kelulushidupan benih lele Sangkuriang. Ikan uji yang digunakan dalam penelitian ini adalah lele Sangkuriang stadia pembesaran memiliki bobot rata-rata 6,48±0,22 g/ekor. Pakan uji yang digunakan dalam penelitian ini berupa pakan buatan berbentuk pellet dengan kandungan protein 31% yang ditambahkan lisin yaitu perlakuan A (0 %/kg pakan), B (0,5 %/kg pakan), C (1,0/kg pakan) dan D (1,5 %/kg pakan). Parameter yang diamati meliputi kecernaan protein (ADCp), efisiensi pemanfaatan pakan (EPP), rasio konversi pakan (FCR), protein efisiensi rasio (PER), laju pertumbuhan relatif (RGR), kelulushidupan (SR) dan kualitas air. Hasil penelitian menunjukkan bahwa penambahan lisin pada pakan dapat meningkatkan ADCp, EPP, FCR, PER, dan RGR. Parameter kualitas air selama penelitian menurut literatur masih layak untuk budidaya lele Sangkuriang. Dosis lisin 1,0 %/kg pakan merupakan dosis terbaik penambahan lisin pada pakan menghasilkan nilai ADCp, EPP, FCR, PER, dan RGR tertinggi sebesar 70,18±0,28, 71,02±0,15, 1,32±0,10, 3,06±0,13 dan 2,87±016%/hari.

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