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Korelasi Kualitas Air Pada Pertumbuhan Larva Ikan Bawal Bintang (Trachinotus Blochi) Di Balai Benih Ikan Laut (Bbil), Pulau Tidung Kepulauan Seribu Catur Pramono Adi; Muhamad Fauzan; Aripudin Aripudin; Maria Goreti Eny Kristiany
Jurnal Perikanan Unram Vol 14 No 3 (2024): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v14i3.872

Abstract

Bintang pomfret is an introduced fish from Taiwan and has quite good prospects in the Asia Pacific region with quite high prices. This Final Practical Work Activity (KPA) aims to carry out a t-test and to determine the effect of water quality on growth, the correlation coefficient (r calculation) is calculated. The water quality parameters observed included temperature, pH and salinity. The t-test results showed that t calculated (0.008) < t table (), this means there was no significant difference between the two growth patterns in length and weight. Meanwhile, the results of the correlation coefficient between water quality and growth show that there is no real influence between the water quality parameters observed on the growth of the pomfret.
Pola Pertumbuhan Pendederan Ikan Nila (Oreochromis Niloticus) Pada Keramba Jaring Tancap Kolam Tanah Di Rengasdengklok, Karawang, Jawa Barat Wahjudi Poerwanto; Donatus Haryadi Guntur Prabowo; Maria Goreti Eny Kristiany; Catur Pramono Adi; Zaskia Khansa Salviadi; Liliek Soeprijadi
SINTA Journal (Science, Technology, and Agricultural) Vol. 6 No. 2 (2025)
Publisher : Perkumpulan Dosen Muda (PDM) Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37638/sinta.6.2.471–490

Abstract

This study was conducted to understand the growth pattern of tilapia (Oreochromis Niloticus) when cultivated in earthen ponds with a fixed net cage system. The location of the practice is at PT. Suri Tani Pemuka Rengasdengklok, Karawang, West Java. The main focus of this activity is to see the relationship between the length and weight of fish during the maintenance period, as well as to assess the comparison of the growth of length and weight of fish for each sampling and the survival rate (SR) of fish. From the results of the observation, it is known that the b value in the analysis of length and weight is 0.72220, which indicates that growth is negative allometric - meaning that fish grow faster in length than in weight. In addition, the survival rate of fish reached 76.4%, which is quite high and indicates that the maintenance conditions are running quite well. Fixed net cages (KJT) are a fish maintenance method that has several advantages, namely it can avoid water predators and is able to limit the circulation of fish so that it facilitates harvesting, but the growth rate is still influenced by other factors including water quality and feed. With this method, fish can grow more safely and optimally. It is hoped that the results of this practice can be an illustration and reference for other cultivators who want to apply similar methods.
PENGARUH FITOREMEDIASI Wolffia arrhiza TERHADAP KINERJA BUDIDAYA IKAN NILA (Oreochromis niloticus) Anggi Soesalit; Mochammad Nurhudah; Sinung Rahardjo; Maria Goreti Eny Kristiany; Ai Setiadi
Vol 16 No 3 (2026): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v16i3.2300

Abstract

Water quality in fish farming significantly impacts the growth of the fish being farmed. Decreased air quality is caused by organic waste from uneaten feed and fish metabolites, largely dominated by nitrogen and phosphorus compounds. A solution to address the problem of improving air quality is phytoremediation (a wastewater treatment effort using plants). W. arrhiza is a potential phytoremediator. The aim of this study was to determine the effect of W. arrhiza phytoremediation on tilapia cultivation performance. This study employed a quantitative approach, using W. arrhiza as a test plant in varying amounts: P0 (control), P1 (50 g/m2), P2 (150 g/m2), and P3 (250 g/m2), with tilapia as the test fish. The study was conducted at the Fish Farmers Group Cing Mina Fish Farming Group Bogor Regency. The results of the study conducted for 30 days showed that the maintenance of tilapia with a phytoremediation system using W. arrhiza had a significant effect on the survival rate and feed conversion ratio (P<0.05), but had no significant effect on the growth of standard length, absolute weight growth and daily growth rate (P>0.05). Treatment P3 showed the highest values in the parameters of survival rate and feed conversion ratio with values of 94.17±0.76% and 1.3±0.09. While the absolute weight growth and absolute growth rate of the test plants had the highest values in treatment P1 with values of 834±97.68 g and 27.80±3.26 g.