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Tangguda, Sartika
Politeknik Kelautan Dan Perikanan Kupang
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Pertumbuhan dan Kandungan Klorofil Anggur Laut (Caulerpa Sp) Menggunakan Teknik Budidaya Berbeda Riris Yuli Valentine; Sartika Tangguda; Dimas Rizky Hariyadi; I Nyoman Sudiarsa
JURNAL GALUNG TROPIKA Vol 10 No 1 (2021)
Publisher : Fapetrik-UMPAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v10i1.731

Abstract

Sea grapes have high economic potential. The development of sea grape cultivation is inseparable from its cultivation techniques. The research objective was to determine the daily growth rate and chlorophyll content of sea grapes in different cultivation techniques. The research was conducted from September to November 2020 at the Polytechnic of Marine and Fisheries, Kupang, East Nusa Tenggara. The treatment in this study was a different cultivation technique with 3 treatments, namely by spreading it (scattering technique), using the substrate (substrate technique), and combining the spread and substrate (combined technique). The results showed no difference in daily growth rate and chlorophyll content even though using different cultivation techniques. The intensity of sunlight more influences the daily growth rate and chlorophyll content. Water quality parameters during the study supported the daily growth rate.
PERTUMBUHAN BENIH LELE MUTIARA (Clarias gariepenus) DI PT. INDOSCO DWI JAYA (FARM FISH BOOSTER CENTRE) SIDOARJO, JAWA TIMUR Sandy Zakheos Matasina; Sartika Tangguda
Jurnal Akuakultur Rawa Indonesia Vol 8, No 2 (2020): JURNAL AKUAKULTUR RAWA INDONESIA
Publisher : Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jari.v8i2.12423

Abstract

Mutiara catfish (Clarias gariepenus) is a cross breeding combination of four African catfish strains that have the advantage of relatively complete cultivation performance, one of which has a high growth rate compared to other strains. This study aims to examine the growth of Mutiara catfish seeds so that they can support the availability and sustainability of this super seed. This research is descriptive study with survey method. This research begins with the preparation of the equipments and maintenance media, the maintenance of the broodstock, the spawning process, the egg hatching process, larval rearing and nursery, growth monitoring, and harvesting. Data were analyzed descriptively including weight, length, ADG, and biomass data at the ages of 14, 21, and 28 days. Based on the results of the study, it was seen that there was an increase in weight and length of Mutiara catfish seeds, namely 0.9 grams; 1.6 grams; and 2.8 grams for the weight of seeds, while 0.82 cm; 2.40 cm; and 3.90 cm for the length of the seeds, on the 14th, 21st, and 28th days respectively. Based on these data, it can be seen that the seed growth rate has also increased, namely 0.005 grams; 0.100 grams; and 0.170 grams so that the biomass also increased to 94.27 kg; 167.60 kg; and 277.86 kg. Based on the results of this study, it can be seen that Mutiara catfish seeds have good growth, seen from the ADG and Biomass values which have increased during monitoring. This good growth increase is due to good feeding and good water quality control.
Pengaruh Tingkat Salinitas terhadap Kelangsungan Hidup dan Perkembangan Larva Udang Galah (Macrobrachium Rosenbergii) Joice Lidya Craceyani Araujo Berubu; Lukas Giovani Gonzales Serihollo; Sartika Tangguda; Zainal Usman
JURNAL MEGAPTERA Vol 5, No 1 (2026): Jurnal Megaptera (JMTR) Issue In Progress
Publisher : Politeknik Kelautan dan Perikanan Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/jmtr.v5i1.20057

Abstract

Penelitian ini bertujuan untuk menganalisis pengaruh variasi salinitas terhadap tingkat kelangsungan hidup dan perkembangan larva udang galah (Macrobrachium rosenbergii). Penelitian menggunakan rancangan percobaan dengan tiga perlakuan salinitas, yaitu 8 ppt (A), 12 ppt (B), dan 16 ppt (C). Parameter yang diamati meliputi tingkat kelangsungan hidup (Survival rate) dan laju perkembangan larva (Larva Stage Indeks (LSI)). Data dianalisis menggunakan uji ANOVA satu arah dan dilanjutkan dengan uji BNT. Hasil penelitian menunjukkan bahwa perlakuan salinitas 12 ppt (B) menghasilkan tingkat kelangsungan hidup tertinggi dan berbeda nyata (P<0,05) dibandingkan perlakuan 8 ppt dan 16 ppt, sedangkan perlakuan 8 ppt dan 16 ppt tidak berbeda nyata. Nilai LSI akhir dan laju perkembangan larva juga tertinggi pada perlakuan 12 ppt dengan rata-rata laju perkembangan larva sebesar 8,4, diikuti 8 ppt (7,7) dan 16 ppt (7,5). Hasil ANOVA menunjukkan bahwa variasi salinitas berpengaruh signifikan terhadap perkembangan larva (F(2,8)=73,5; P<0,001). Perbedaan ini diduga berkaitan dengan beban osmotik dan kebutuhan energi untuk proses osmoregulasi. Dengan demikian, salinitas 12 ppt direkomendasikan sebagai kisaran optimal untuk pemeliharaan larva udang galah guna mendukung tingkat kelangsungan hidup dan perkembangan yang maksimal.
Co-Authors Hariyadi, Dimas Rizky Joice Lidya Craceyani Araujo Berubu Sandy Zakheos Matasina Serihollo, Lukas G. G Valentine, Riris Yuli Zainal Usman