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PERTUMBUHAN DAN KELANGSUNGAN HIDUP BENIH IKAN NILA (OREOCHROMIS NILOTICUS) DENGAN DOSIS VITAMIN MIX YANG BERBEDA Aidia Mutia, Siti; Kaban, Siswanta; Sumantriyadi, Sumantriyadi
Jurnal Ilmu-Ilmu Perikanan dan Budidaya Perairan Vol 14, No 2 (2019): Jurnal Ilmu - Ilmu Perikanan dan Budidaya Perairan
Publisher : Faculty of Fisheries

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Abstract

Penelitian ini mengenai Pertumbuhan dan Sintasan Benih Ikan Nila dengan Dosis Vitamin Mix Yang Berbeda. Penelitian dilaksanakan bertempat di Kelompok Tani Tambak Mulia, Kota Palembang. Metode penelitian yang digunakan yaitu Rancangan Acak Lengkap (RAL) dengan 4 perlakuan dan 3 ulangan. Hasil penelitian menunjukkan bahwa perlakuan D (penambahan Vitamin mix sebesar 3 % dari jumlah pakan)  dipilih sebagai perlakuan terbaik dibandingkan perlakuan lainya. Pada perlakuan D memberikan pertambahan pertumbuhan dan sintasan terbaik yaitu panjang mutlak sebesar 5,77 cm dengan berat sebesar 19,48 gr dan nilai SR sebesar 86,67 %. Untuk perlakuan C pertambahan pertumbuhan panjang mutlak sebesar 5,49 cm dengan berat 17,64 gr dan nilai SR sebesar 80 %. Perlakuan B pertambahan pertumbuhan panjang mutlak sebesar 5,20cm dengan berat 15,35 gr dan nilai SR sebesar 76,67 %. Sedangkan perlakuan  A memberikan pertambahan pertumbuhan terendah yaitu panjang mutlak sebesar 5,01 cm dengan berat sebesar 15,03 gr dan nilai SR sebesar 76,67 %. Parameter kualitas air yang diukur selama penelitian masih dalam batas toleransi untuk tumbuh dan berkembang benih Ikan Nila. Dari hasil penelitian yang dilakukan untuk penambahan vitamin mix pada pakan sebaiknya menggunakan dosis 3 %, karena memberikan pertumbuhan dan sintasan yang terbaik. Kata Kunci: Ikan nila, Kandungan Gizi, Vitamin Mix
SOME ASPECTS OF BIOLOGY OF LAMBAK PIPIH FISH (Thynnichthys polylepis) IN BATANGHARI RIVER, JAMBI Kaban, Siswanta
Asian Journal of Aquatic Sciences Vol. 1 No. 1 (2018): December
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Riau

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Abstract

Research on some biological aspects of lambak pipih fish (Thynnichthys polylepis) was carried out in the Batanghari River, Jambi Province. Using the survey method, in March, May, August and October 2015. The station was determined by purposive random sampling which was divided into 3 regions: upstream in Mangunjaya and Puntikalo Villages, Tebo Regency, the middle in Penyengat Kecil and Kunangan Villages, Jambi Municipality and downstream in Sungai Kandis and Muara Sabak Villages. The size of the flat-rolled fish caught ranges from 7.2 cm in length and weighs 4.5 grams and 26 cm in weight, 162 grams. The largest length is between 10.1 - 15.0 cm totaling 55 heads, while the most weight is 1 - 30 grams totaling 52 heads. The relationship between long-weight flatfish follows the equation pattern: W = 0.013L2.901 with a value of b <3. So it can be said that flat-slawed fish have a negative allometric growth pattern. Its natural feed consists of macrophytes (water growths) as much as 49.9% as the main feed. Phytoplankton supplementary feed is 22.6% (Chlorophyceae 10.4%; Bacillariophyceae 8.1% and Cyanophyceae 4.1%, and detritus 17.4%. Additional feed is 0.8% Protozoa; 0.5% Rotifera and Crustaceae 0 , 4% and the unidentified part was 8.4%. Thus flat or motak fish were classified into groups of herbivorous fish or plant eaters.
Estimation fish stock and composition using mark recapture studies in floodplain lake, Jambi City Kaban, Siswanta; Samuel, Samuel; Makri, Makri
Depik Jurnal Ilmu Ilmu Perairan, Pesisir, dan Perikanan Vol 12, No 3 (2023): DECEMBER 2023
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.12.3.34655

Abstract

Fish stock assessment can be estimated by dependent and independent sampling; Mark-recapture studies is a part of independent sampling method that can be used for it. This study was conducted in 2018 using purposive sampling methods. The purpose of this study was to determine the current status of fish stocks and the composition of fish species in the floodplain/oxbow lake, Jambi city. Interviews were conducted to determine the types of fish in this area as a reference, and then, the composition of fish species, modification of fishing gear and combine with mark-recapture sampling. The total catch was 66.5 Kg, with the dominant compositions were Hemibagrus nemurus (42%), Pangasius sp (20%), Channa lucius (12%) and the others were 26% (Osteochilus haseselti, Osteochilus bornensis, Barbonymus schwanenfeldi, Labiobarbus festivus, Thynnichthys polylepis, Mystus sp, Cryptopterus spp, Bothia macrocanthus, Labeo chrysophekadion, Barbycthys loevis and Macrobrachium rosenbergii). The conversion result of fish catches with the total area, which has been assessed using Mark-recapture studies, was 558.6 kg/ha. Finally, the total area of the floodplain was estimated at 60137 ha, and the fish stock was 66.4151.7 tons. Its showed that, allowable catch should be under this value, and Mark-recapture studies is one simple methods can be used to predict fish stock in floodplain areas.Keywords:Fish stockfloodplain lakeMark recapturemanagement
Estimation fish stock and composition using mark recapture studies in floodplain lake, Jambi City Kaban, Siswanta; Samuel, Samuel; Makri, Makri
Depik Jurnal Ilmu Ilmu Perairan, Pesisir, dan Perikanan Vol 12, No 3 (2023): DECEMBER 2023
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.12.3.34655

Abstract

Fish stock assessment can be estimated by dependent and independent sampling; Mark-recapture studies is a part of independent sampling method that can be used for it. This study was conducted in 2018 using purposive sampling methods. The purpose of this study was to determine the current status of fish stocks and the composition of fish species in the floodplain/oxbow lake, Jambi city. Interviews were conducted to determine the types of fish in this area as a reference, and then, the composition of fish species, modification of fishing gear and combine with mark-recapture sampling. The total catch was 66.5 Kg, with the dominant compositions were Hemibagrus nemurus (42%), Pangasius sp (20%), Channa lucius (12%) and the others were 26% (Osteochilus haseselti, Osteochilus bornensis, Barbonymus schwanenfeldi, Labiobarbus festivus, Thynnichthys polylepis, Mystus sp, Cryptopterus spp, Bothia macrocanthus, Labeo chrysophekadion, Barbycthys loevis and Macrobrachium rosenbergii). The conversion result of fish catches with the total area, which has been assessed using Mark-recapture studies, was 558.6 kg/ha. Finally, the total area of the floodplain was estimated at 60137 ha, and the fish stock was 66.4151.7 tons. Its showed that, allowable catch should be under this value, and Mark-recapture studies is one simple methods can be used to predict fish stock in floodplain areas.Keywords:Fish stockfloodplain lakeMark recapturemanagement