The failure of tiger shrimp (Penaeus monodon) farming could make farmers stop their cultivation activities. As an alternative, vannamei shrimp cultivation gives hope for productive, profitable, and sustainable cultivation. The development of shrimp farming in Tegal City is carried out through simple methods, intensive technology, and the use of Busmetik technology or mini-scale shrimp farming on plastic ponds. The high demand in the shrimp market continues to encourage farmers to increase their productivity by increasing stocking density. The purpose of this study is to determine the performance of vannamei shrimp cultivation which is cultivated intensively including yields, survival rate (SR), feed conversion ratio (FCR), and shrimp growth in Tegal City, Central Java Province. The research was conducted from July to October 2019. The research method used was a case study with 16 plots of ponds, and the average area of the pond was 1000 m². Based on the results of the calculation, it can be seen that the average yield is 1,603 kg per pond with a stocking density of 100 fish/m², a survival rate (SR) is 85.6%, a feed conversion ratio (FCR) is 1.41 and the shrimp growth is 0.16 grams per day. Economically, based on the Benefit-Cost Ratio (B/C ratio) of 1.46, vannamei shrimp cultivation in Tegal City is profitable so that shrimp farming can be carried out sustainably.
ABSTRAKBudi daya udang di tambak yang kurang tepat akan menyebabkan tidak efisien dan tidak efektif dalam operasionalnya. Penelitian ini bertujuan mengevaluasi kesesuaian lahan budidaya udang. Lokasi penelitian di pertambakan pesisir Teluk Banten, Provinsi Banten Indonesia. Parameter yang diukur (1). Kualitas air meliputi pH air, suhu, salinitas, kelarutan oksigen (DO), BOD5, COD, TSS, amonia (NH 3 ), Fe, pasang surut. (2). Kualitas tanah meliputi pH tanah, tekstur tanah, potensial redoks, Kapasitas Tukar Kation (KTK), unsur hara (K,Ca, Mg, Fe), kemiringan lahan dan elevasi. (3) Pendukung budidaya udang meliputi infrastruktur (ketersediaan jalan dan listrik), jarak dari laut, jarak dari sungai dan curah hujan. Metoda yang digunakan adalah pembobotan dan skoring (weight linier combination). Pembobotan dilakukan dengan metode berpasangan (pairwise comparisons) untuk menentukan skala prioritas. Selanjutnya dilakukan tumpang susun (overlay) untuk menentukan tingkat kesesuaian lahan. Hasil penelitian menunjukkan luas total 5.028,3 ha, diklasifikasikan dalam dua kelas yaitu sangat sesuai (S1) sebesar 141,7 ha (2,8 %); sesuai (S2) sebesar 4.886,6 ha (97,2 %).Kata kunci: infrastruktur, kesesuaian lahan, kualitas air, kualitas tanah, Teluk Banten. ABSTRACTShrimp farming in ponds that are less precise will cause inefficient and in effective in operation. This study aimed to evaluate the suitability of land shrimp farming. Aquaculture research sites in the Banten coastal, Banten Province of Indonesia. Parameters measured (1). The quality of water include water pH, temperature, salinity, the dissolved oxygen (DO), BOD5, COD, TSS, ammonia (NH 3 ), Fe, tide. (2). Soil quality include soil pH, soil texture, redox potential, cation exchange capacity, nutrients (K, Ca, Mg, Fe,), the slope and elevation. (3) Supporting shrimp culture include infrastructure (availability of roads and electricity), distance from the sea, distance from rivers and rainfall. The method used is weighting and scoring (weight linear combination). Weighting was conducted using paired (pairwise comparisons) to determine priorities. Furthermore, the overlaying (overlay) to determine the degree of land suitability. The results showed a total area of 5.028,3 ha that classified into two types, ie very suitable (S1) of 141,7 ha (2,8%); suitable (S2) of 4.886,6 ha (97,2%). PENDAHULUANArea pertambakan pesisir Teluk Banten secara ekologis menjadi tumpuan kegiatan di darat dan di laut.Tercatat lebih dari 351 industri yang langsung maupun tidak langsung berdampak di pesisir Teluk Banten. Namun perkembangan budidaya udang di Pesisir Teluk Banten mengalami penurunan akibat pemanfaatan JURNAL SEGARA
The prospect of clown fish cultivation business is still being expanded to make profitable business activities and increasingly attract ornamental fish lovers. However, it is difficult to get clown fish with a good level of color brightness. So it can reduce the level of sales production. This study aims to determine the effect of the addition of tomato powder to increase the brightness of the color clown fish at the Ambon Marine Aquaculture Fisheries Center. The research was conducted from March to June 2020 at the Ambon Marine Aquaculture Fisheries Center. This study used a Completely Randomized Design (RAL) with 4 treatments and 3 replications. The treatment is to mix tomato powder in the feed with a concentration of 0 mg/gr (Treatment A), concentration 20 mg/gr (Treatment B), concentration 40 mg/gr (Treatment C), and concentration 60 mg/gr (Treatment D). The fish used is a clown fish with a size of 1 cm with a spread of 4 fish with a circulatory maintenance system. The observed parameters include the brightness of the clown fish color, which is measured using the color grab camera app, the growth of which is the average length and weight of average seeds measured using a ruler with a precision rate of 1 cm and a digital scale with a precision rate of 0.01gr and survival rate. The results showed that feeding with the addition of powdered tomato did not give a significant effect to increase the brightness of the color of the clown fish. However, it affects the growth (length and weight) and survival rate of clownfish seeds.
AbstrakUdang vaname merupakan komoditas perikanan yang mempunyai nilai ekonomis penting. Keberhasilan produksi budidaya udang vaname tidak terlepas ketersediaan benur yang cukup dan berkualitas. Tujuan penelitian adalah untuk mengetahui perbandingan teknis, studi kelayakan, dan harga benur per ekor pada industri pembenihan udang vaname. Lokasi penelitian adalah pembenihan udang di PT SP Lampung dan PT CU Sulawesi Selatan. Penelitian dilaksanakan September – November 2022. Ruang lingkup penelitian mulai dari pemeliharaan larva udang sampai dengan panen pada post larva (PL-12). Berdasarkan penelitian dapat disimpulkan industri ini sudah membuat dan melaksanakan standar operasi sistem (SOP) dengan baik sehingga usaha yang dijalankan mendapatkan laba per tahun Rp.2.437.956.000 – Rp. 6.406.020.000,- Analisa studi kelayakan diketahui waktu pulang pokok (PP) 2 – 3 tahun, R/C ratio 1,45 – 2,1 Sedangkan biaya per ekor benur di PT SP sebesar Rp. 23,73 dan PT CU sebesar Rp. 34,49,-
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