Bone formation and growth of climbing perch Anabas testudinieus larvae fed with Zn enriched Artemia nauplii

ABSTRACT   The aim of this study was to determine the optimum level of Zinc (Zn) enrichment in Artemia sp. nauplii as a live feed to improve bone formation and growth of climbing perch Anabas testudinieus larvae. The study consisted of four different Zn enrichment levels (0.0, 0.05, 0.1, and 0.15 mg/mL) in Artemia sp.nauplii. The enrichment was performed for 12 hours with the nauplii density of 1 ind/mL. Climbing perch larvae with an average initial length of 1.65 ± 0.15 mm were fed four times daily with the enriched nauplii. For the first 5 days, all larvae were fed with rotifer followed by feeding with enriched Artemia nauplii ad libitum. The results showed that the application of Artemia sp. enrichment at 0.1 mg Zn/mL influenced the bone formation, increased the growth, and improved the fish survival of climbing perch larvae. Feeding with 0.1 mg/mL Zn enriched Artemia nauplii could be recommended as a strategy to improve the bone formation and growth performance of climbing perch larvae.   Keywords: Anabas testudineus, Artemia sp., climbing perch, live feed, zinc     ABSTRAK   Penelitian ini bertujuan menentukan dosis optimum pengayaan seng (Zn) pada naupli Artemia sp. terhadap pembentukan tulang dan peningkatan pertumbuhan larva ikan betok. Penelitian dilakukan selama 18 hari dengan empat dosis pengayaan Zn yang berbeda (0, 0,05, 0,1, dan 0,15 mg/mL) pada naupli Artemia. Pengayaan dilakukan selama 12 jam dengan kepadatan naupli 1 ind/mL. Larva ikan betok dengan ukuran panjang awal rata-rata 1.65 ± 0.15 mm diberi pakan naupli yang diperkaya sebanyak 4 kali sehari. Pada lima hari pertama, semua larva diberi pakan rotifer, diikuti dengan pemberian naupli Artemia yang diperkaya secara ad libitum. Hasil yang diperoleh menunjukkan bahwa pengayaan naupli Artemia sp. dengan Zn 0,1 mg/mL berpengaruh terhadap pembentukan tulang belakang dan dapat meningkatkan pertumbuhan serta meningkatkan kelangsungan hidup larva ikan betok. Pemberian naupli Artemia dengan Zn sebanyak 0.1 mg Zn/mL dapat direkomendasikan untuk perbaikan pembentukan tulang dan pertumbuhan larva ikan betok.   Kata kunci: Naupli Artemia sp., ikan betok, pakan alami, sen

Providing different natural feeds on the growth rate of tor soro larvae

Tor soro is an Indonesian freshwater fish that is threatened with extinction. Preventing the extinction of the Tor soro fish is by carrying out cultivation activities. This research aims to determine the impact of providing different varieties of natural feed on the growth rate of Tor soro. Completely Randomised Design (CRD) consisting of four treatments (A; Artemia salina 21 days, B; Artemia salina 7 days and Tubifex sp. 14 days, C; Daphnia sp. 21 days, D; Daphnia sp. 7 days and Tubifex sp.14 days) was the method used in this research. Fish maintenance is for 21 days with a feeding frequency of twice (morning and evening). The results of the ANOVA test showed that giving different natural feeds impacts absolute length growth and specific growth rate, but does not significantly differ the survival rate of Tor soro fish larvae. The highest absolute length growth was 1.07 ± 0.01 cm and 0,036±0,025 g of the absolute weight growth. the difference in days of feeding impacts fish growth because the protein contained in Tor soro fish feed varies (Treatment B). The conclusion obtained from this research was that the highest value was found in treatment B

PENGGUNAAN LIMBAH KULIT MANIHOT ESCULENTA POHL SEBAGAI BAHAN BAKU SUBSTITUSI TEPUNG TAPIOKA DALAM PAKAN BENIH Colossoma macropomum TERHADAP PERTUMBUHAN DAN KELANGSUNGAN HIDUP

Penelitian ini bertujuan untuk mengetahui pengaruh penggunaan limbah kulit singkong sebagai bahan baku substitusi tepung tapioka dalam pakan benih ikan bawal (Colossoma macropomum) yang berperan sebagai binder. Penelitian dilaksanakan pada Laboratorium Kesehatan dan Bioteknologi Akuakultur, Fakultas Kelautan dan Perikanan, Universitas Syiah Kuala. Metode penelitian ini menggunakan metode Rancangan Acak Lengkap (RAL) dengan 5 perlakuan (A: pakan komersial, B: penambahan 15% tepung tapioka dalam pakan, C: penambahan 10% tepung tapioka, 5% tepung limbah kulit singkong, D: penambahan 5% tepung tapioka, 10% tepung limbah kulit singkong, E: penambahan 0% tepung tapioka, 15% tepung limbah kulit singkong). Hasil penelitian ini menunjukkan bahwa penambahan tepung tapioka 10% dan tepung limbah kulit singkong 5 % menghasilkan pertumbuhan berat mutlak (1,86±0,17 g), pertumbuhan Panjang mutlak (1,21±0,10 cm), kelangsungan hidup ikan 100%, dan FCR (1,89±0,10). Kesimpulan dari penelitian ini yaitu tepung tapioka dapat disubstitusi  dengan tepung limbah kulit singkong sebagai bahan baku pakan  yang berfungsi sebagai binder.Kata Kunci : Pakan, Tepung tapioka; Binder; Limbah kulit singkon

PENGARUH KONSENTRASI EKSTRAK DIKLOROMETANA BIJI PUTAT AIR (BARRINGTONIA RASEMOSA) TERHADAP MORTALITAS IKAN MUJAIR (OREOCHROMIS MOSSAMBICUS)

Penelitian ini bertujuan untuk mengetahui pengaruh konsentrasi ekstrak diklorometana biji putat air (Barringtonia racemosa) terhadap mortalitas ikan mujair (Oreochromis mossambicus). Penelitian telah dilakukan pada bulan April 2013 di Laboratorium Kimia Laut Koordinatorat Kelautan dan Perikanan Universitas Syiah Kuala. Rancangan Acak Lengkap (RAL) digunakan dalam penelitian ini dengan enam konsentrasi ekstrak diklorometana biji putat air (0, 40, 60, 80, 100, dan 130 ppm) dan empat kali pengulangan terhadap organisme uji ikan mujair. Data hasil penelitian dianalisa menggunakan uji ANOVA yang dilanjutkan dengan uji BNT. I lasil penelitian ini menunjukkan bahwa konsentrasi 130 ppm merupakan konsentrasi yang memberikan pengaruh maksimal mortalitas ikan mujair. Penelitian ini memberikan informasi bahwa ekstrak diklorometana dapat dijadikan piscisida alami bagi hama ikan mujair.Kata kunci: Mujair, Putat air, Oreochromis mossambicu, Barringtonia racemosa

Providing different natural feeds on the growth rate of

Tor soro is an Indonesian freshwater fish that is threatened with extinction. Preventing the extinction of the Tor soro fish is by carrying out cultivation activities. This research aims to determine the impact of providing different varieties of natural feed on the growth rate of Tor soro. Completely Randomised Design (CRD) consisting of four treatments (A; Artemia salina 21 days, B; Artemia salina 7 days and Tubifex sp. 14 days, C; Daphnia sp. 21 days, D; Daphnia sp. 7 days and Tubifex sp.14 days) was the method used in this research. Fish maintenance is for 21 days with a feeding frequency of twice (morning and evening). The results of the ANOVA test showed that giving different natural feeds impacts absolute length growth and specific growth rate, but does not significantly differ the survival rate of Tor soro fish larvae. The highest absolute length growth was 1.07 ± 0.01 cm and 0,036±0,025 g of the absolute weight growth. the difference in days of feeding impacts fish growth because the protein contained in Tor soro fish feed varies (Treatment B). The conclusion obtained from this research was that the highest value was found in treatment B

Ontogeny and morphological development of Tilapia (

Tilapia (Oreochromis niloticus) is one type of fish that has high economic value and is widely consumed by the community. Therefore, the growth and development of tilapia larvae need to be considered. This study aims to determine the growth and development of tilapia larvae. The parameters in this study were observations of total larval length (TL), daily growth rate (LPH), and morphology of tilapia larvae. This research was conducted for 30 days. Measurements of total length growth and morphological development of tilapia larvae were measured on days 1, 5, 10, 15, 20, 25 and 30 DAH (Days After Hatching). Data were analysed descriptively. The results of this study showed that the growth of tilapia larvae from day 1 to day 30 increased. The development of tilapia larvae in the yolk sac phase occurred on day 1-7 and the transition phase (from endogenous feeding to exogenous feeding) occurred on day 6-7 DAH, and on day 8 the yolk sac had been exhausted. The morphological development of tilapia larvae began to form completely on day 10 DA

Pengaruh konsentrasi ekstrak diklorometana biji putat air (Barringtonia resemosa) terhadap mortalitas ikan mujair (Oreachromis mossambicus)

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Additional of EM4 and molasses in feeds on the growth and survival rate of snakehead (Channa striata)

This study aims to determine the effect of giving EM4 probiotics on the growth and survival rate of snakehead (Channa striata). This research was carried out at the Fish Hatchery Laboratory, Faculty of Marine and Fisheries, Universitas Syiah Kuala. This study was conducted using a Complete Randomized Design (CRD) method with 4 treatments used, namely A (control), B (EM4 6 ml/kg of feed), C (EM4 8 ml/kg of feed), and D (EM4 10 ml/kg of feed). The results showed that the addition of 10 ml/kg of feed of EM4 probiotic resulted in an absolute length growth of 1.60±0.17 cm, an absolute weight growth of 1.85±0.18 gram, a specific growth rate of 1.97±0.10 % per day, a feed conversion ratio of 1.56±0.03, feed efficiency 64.19±1.41 % and survival rate 97.78±3.85 %. The results of this study can be concluded that the addition of probiotic EM4 10 ml/kg of feed can increase the growth and survival rate of snakehead (Channa striata). Keywords: Channa striata EM4 Commercial feed Growth Survival rat