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All Journal Jurnal Perikanan dan Kelautan Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat Acta Aquatica: Aquatic Sciences Journal Marinade Jurnal Intek Akuakultur Indonesian Aquaculture Journal Jurnal Riset Akuakultur Jurnal Ruaya : Jurnal Penelitian dan Kajian Ilmu Perikanan dan Kelautan Jurnal Abdi Insani Journal of Maritime Empowerment Jurnal Abmas Negeri (JAGRI) Media Akuatika: Jurnal Ilmiah Jurusan Budidaya Perairan DEVOTE: Jurnal Pengabdian Masyarakat Global Jurnal Ruaya : Jurnal Penelitian dan Kajian Ilmu Perikanan dan Kelautan
Shavika Miranti
Program Studi Budidaya Perairan, Fakultas Ilmu Kelautan Dan Perikanan, Universitas Maritim Raja Ali Haji
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Social Sciences Veterinary Other

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Comparative growth performance of Kappaphycus striatus and the green variety of Kappaphycus alvarezii under longline cultivation Muzahar, Muzahar; Raza’I, T. Said; Viruly, Lily; Wulandari, Rika; Miranti, Shavika; Putri, Dwi Septiani; Yulianto, Tri; Bakkara, Okto Rimandi; Irawan, Henky; Sinaga, Daniel; Nasmi, Jannesa; Andia, Bherly; Saputra, Rio; Bahri, Samsul; Lovina, Ronaldy; Darmawan, David; Syafiq, R. Muhammad
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica, Vol. 12: No. 3 (December, 2025)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v12i3.21565

Abstract

This study compares the growth of two seaweed species, Kappaphycus striatus and Kappaphycus alvarezii (green variety), using the longline method in the waters of Pelakak Village, Lingga Regency. This research aims to identify differences in daily growth rates and environmental factors affecting the productivity of both seaweed species. The study was conducted over 45 days using a randomized block design with two treatments and four replications. Measured parameters included absolute weight growth, specific growth rate, and water quality. The results showed that K. alvarezii (green variety) exhibited a higher daily growth rate (0.55% weight/day) compared to K. striatus (0.31% weight/day). Environmental factors such as temperature (28–30°C), salinity (30–31 ppt), and pH (7.1–7.4) were within the optimal range, but the current velocity (0.4–0.5 m/s), which exceeded the standard, potentially inhibited growth an increased the risk of talus damage. The t-student test indicated no significant difference in growth between the two seaweed species (p>0.05). These findings suggest that K. alvarezii (green variety) is more adaptive to local environmental conditions than K. striatus, although current velocity and pest presence remain challenges in seaweed cultivation. This study contributes to optimizing seaweed farming strategies in coastal areas. Keywords: Growth; Kappaphycus striatus; Kappaphycus alvarezii Green Variety; Longline
Evaluasi Hematologi Ikan Kakap Putih (Lates calcarifer) yang Diberi Pakan Mengandung Probiotik Manik, Rina Ulicia; Wulandari, Rika; Miranti, Shavika
Jurnal Intek Akuakultur Vol. 8 No. 1 (2026): Intek Akuakualtur
Publisher : Program Studi Budidaya Perairan Universitas Maritim Raja Ali Haji

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This research is about the effect of giving probiotic booster aquaenzyms to feed at different doses to look at the parameters of red blood cells, white blood cells and leukocyte differential. This study aims to analyze the effect of adding probiotic booster aquaenzyms in pelleted feed on blood hematological parameters of sea bass, with a focus on observing the number of erythrocytes, leukocytes and leukocyte differential. This research was conducted from May to June 2025 for 14 days at the Marine Aquaculture Lab, Aquaculture Study Program, Faculty of Marine Sciences, Raja Ali Haji Maritime University, Tanjungpinang. The research design used in this study used a Completely Randomized Design (CRD) with 4 treatments and 3 replications, namely control feed treatment without probiotic booster aquaenzyms and injected with bacteria, Treatment A feed with probiotic booster aquaenzyms 2 grams/kg feed every day and injected with bacteria, Treatment B feed with booster aquaenzyms 6 grams/kg feed every day and injected with bacteria, Treatment C with probiotic booster aquaenzyms 10 grams/kg of feed every day and challenge the Vibrio alginolyticus bacteria. The parameters observed during the research were, red blood cells (erythrocytes), white blood cells (leukocytes), leukocyte differential, survival rate, and water quality parameters. Data analysis used Microsoft Excel and data was analyzed using analysis of variance (ANOVA). Statistical analysis was carried out using SPSS software. If the data is significantly different (P<0.05), then Duncan's further test is carried out. The research results from the addition of probiotic booster aquaenzyms in pelleted feed were highest in treatment A with a dose of 2 grams/kg of feed on red blood cells and white blood cells. The differential leukocytes obtained during the study were lymphocytes and monocytes. The highest lymphocytes were obtained in treatment B, and the highest monocytes were obtained in treatment K. The highest survival rate was in treatment A.
Pelatihan dan Percontohan Aplikasi RAS dan Fitobiotik untuk Pokdakan Pembenihan Kepiting Bakau Bahari Sakti, Tanjungpinang Effendi, Irzal; Miranti, Shavika; Wahyuningrum, Dinamella
Agrokreatif: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 9 No. 2 (2023): Agrokreatif Jurnal Ilmiah Pengabdian Kepada Masyarakat
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/agrokreatif.9.2.141-153

Abstract

This activity aims to provide knowledge, insight, and skills in the application of recirculated aquaculture system (RAS) technology and phytobiotics to members of the Bahari Sakti mud crab hatchery group on Penyengat Island, Tanjungpinang, Riau Islands. Mastery of this application is important to improve the production performance of the mud crab hatchery group which is faced with the problem of high frequency of disease attacks on broodstock and low survival rate of larvae. The activity, which includes training, piloting, and mentoring, were take place from June‒September 2022, attended by 20 participants consisting of members of the Bahari Sakti mud crab hatchery group and public. The training materials covered the technical and management aspects of mud crab hatchery, RAS application, and phytobiotics of garlic flour in broodstock and larvae rearing. Pilot methods and mentoring were conducted in the form of RAS installations and application of phytobiotics with participants. After attending the training, there was a significant increase in knowledge and insight of these three aspects by 47, 51, and 26%, respectively, for the mud crab hatchery, phytobiotic, and RAS aspects. Pilots and mentoring in the form of rearing and spawning in the RAS system with the application of phytobiotics were carried out after training at the production facility of mud crab hatchery group. Participants in the pilot and mentoring activities were quite enthusiastic, although the attendance rate of participants was only 25‒35%. The RAS application can improve the water quality of the mud crab broodstock rearing media, while for the application of phytobiotics was not evaluated.
Co-Authors Ahmad Hendriansyah Ahmad Zawawi, Muzahar Alwin Johan Amanda, Siska Ambarita, Esther Yosefa Aminatul Zahra Andia, Bherly Angga Reni Azuar Azuar Baehaqi Bakkara, Okto Rimandi Bolkiah, Hasanul Daniel Sinaga, Daniel Darmawan, David Daud Siswandi Dinamella Wahjuningrum Dwi Septiani Putri Elbiansyah Putra Elbiansyah Fauzanadi Fauzanadi Fitriyani, Defrima Hendriansyah, Ahmad Henky Irawan Ilham, Zicky Imay Jullianty Irawan, Henky Irzal Effendi Khoirul Umam Lestari, Susan Farma Ayu Lily Viruly Lovina, Ronaldy M Hasan M Hasan Manik, Rina Ulicia Maulana, Tuah Ihsan Melia, Ana Monalisa Nia Novita Panjaitan Mustaqim, Aqsha Muzahar Nadia Putri Nasmi, Jannesa Nurul Huda Putri Sartika Gurning Putri, Dwi Septiani Putri, Uznaq Denia Razai, Tengku Said Raza’i, T. Said Resulta, Dolist Rika Wulandari Rikayana, Hadli Lydia Rossa, Nabilla Elvira Samsul Bahri Sanda Guntara Sanda Saputra, Rio Sari, Dwi Ulta Sedran, Raja Rahmadoni Rizal Selvinia, Nabilah Septa Nugraha Siswandi, Daud Sufnirayanti Sufnirayanti Suryani Tessalonika Sutawi Gusnadi Syafiq, R. Muhammad Syarifah Fitriana Syarifah Fitriana Taufiq Abdullah, Taufiq Tri Hardiyanti Tri Hardiyanti Tri Yulianto Tri Yulianto Tri Yulianto Tri Yulianto Wahyuningrum, Dinamella Wiwin Kusuma Atmaja Putra