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Ummul Firmani
Program Studi Budidaya Perikanan, Fakultas Pertanian, Universitas Muhammadiyah Gresik
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Environmental Science Other

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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.
ANALISIS PEMANFAATAN AIR CUCIAN BERAS SEBAGAI PENGKAYA PROBIOTIK KOMERSIL PADA MEDIAKULTUR UNTUK PENINGKATAN PERTUMBUHAN POPULASI Daphnia magna Muhammad haqqul yaqin; Farikhah Farikhah; Ummul Firmani
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.v7i1.7476

Abstract

This research aims to determine the formulation of probiotic feed fermented with rice washing water with different fermentation times to produce the highest growth of Daphnia magna. The research included experimental research using a Completely Randomized Design (CRD) consisting of 3 treatments and repeated three times to obtain nine experimental units. Each container is filled with 2 liters of water with a Daphnia density of 20 ind/l. Treatment A: giving probiotics and rice washing water without fermentation; treatment B: giving probiotics and rice washing water with a fermentation time of 6 hours; treatment C: giving probiotics and rice washing water with a fermentation time of 12 hours. Based on research conducted for 12 days, the results showed that the fermentation time of probiotics and rice washing water affected the population density of Daphnia magna. Treatment C: Giving probiotics and rice washing water with a fermentation time of 12 hours is the best treatment compared to other treatments.
Co-Authors Farikhah Farikhah Farikhah Farikhah Mohammad Rudy Muhammad haqqul yaqin