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All Journal Journal of Marine Research Jurnal Perikanan Pantura
Farikhah Farikhah
Program Studi Budidaya Perikanan, Fakultas Pertanian, Universitas Muhammadiyah Gresik
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Environmental Science Other

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Journal : Jurnal Perikanan Pantura

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IDENTIFIKASI EKTOPARASIT DAN KOMPETITOR KERANG HIJAU (Perna viridis) YANG DIBUDIDAYAKAN DALAM BAGAN TANCAP DI LAUT JAWA KECAMATAN SIDAYU KABUPATEN GRESIK Mohammad Rudy; Ummul Firmani; Farikhah Farikhah
Jurnal Perikanan Pantura (JPP) Vol 6 No 2 (2023): SEPTEMBER 2023
Publisher : Universitas Muhammadiyah Gresik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30587/jpp.v6i2.6337

Abstract

The green mussel (Perna viridis) is an important commodity in marine aquaculture. A challenge in green mussel cultivation is the presence of diseases caused by parasites that attach or live on the mussels. This research aims to determine the abundance of ectoparasites and competitors on green mussels in the mentioned waters. The research methods employed both qualitative and quantitative descriptive approaches. The observed research variables included species identification, prevalence and intensity of ectoparasites, as well as diversity and abundance of competitors. The findings revealed the presence of 2 ectoparasite species and 10 competitor species. The highest prevalence of Balanus sp. was recorded in Bagan Tancap I for mussels larger than 4 cm, at 79.6%±6.16 (moderate), while the lowest prevalence was in Bagan Tancap II for mussels smaller than 4 cm, at 33.3%±1.05 (common). The highest intensity of Balanus sp. ectoparasite attacks occurred in Bagan Tancap I for mussels larger than 4 cm, at 7.18 ind/mussel (moderate), and the lowest intensity was in Bagan Tancap II for mussels smaller than 4 cm, at 1.75 ind/mussel (low). The intensity of sea snail egg infestations ranged from 1 to 2 ind/mussel, with no significant difference (P>0.05). The highest competitor abundance was found in Bagan Tancap I with the species Nereis sp., at 0.57 ind/mussel, and the highest competitor diversity was also observed in Bagan Tancap I with the species crab at 36.292 ind/mussel. Considering the prevalence and intensity values of Balanus sp. ectoparasites on green mussels in the waters of the Java Sea in Kecamatan Sidayu, it is still suitable for green mussel cultivation.
PERTUMBUHAN UDANG VANNAMEI (Litopenaeus vannamei) DI TAMBAK INTENSIF DENGAN MANAJEMEN PLANKTON SEBAGAI PENYEIMBANG EKOSISTEM Raden Muhammad Minanur Rohman Al Mubarok; Farikhah Farikhah
Jurnal Perikanan Pantura (JPP) Vol 7 No 1 (2024): MARET 2024
Publisher : Universitas Muhammadiyah Gresik

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30587/jpp.v7i1.7441

Abstract

Cultivating vannamei shrimp (Litopenaeus vannamei) in intensive ponds is one of the efforts to meet the high market demand. This research aims to analyze the weight growth and daily weight growth rate of intensively cultured vannamei shrimp. The study was conducted in two groups of PT-owned intensive shrimp ponds.STP with different stocking densities. The research was carried out for three months, from September to November 2023. The variables of this study included Average Body Weight (ABW), Average Daily Growth (ADG), and Specific Growth Rate (SGR) of cultured shrimp. The research data were analyzed using Microsoft Excel 2023 and further analyzed using a t-test with a significance level 0.05. The results of this study showed that shrimp ponds in group II performed better, with an average shrimp weight of 4.26±0.10 gram, a daily growth rate of 0.147gram/day, and a specific growth rate of 14.73%±1% bw/day. These values were higher than shrimp cultured in group I ponds, which had an average shrimp weight of 4.14±0.25 gram, a daily growth rate of 0.148 gram/day, and a specific growth rate of 14.8%±2% bw/day.
Co-Authors Aminin Aminin Anfa'u Mazida Mohammad Rudy Raden Muhammad Minanur Rohman Al Mubarok Ummul Firmani