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All Journal ILMU KELAUTAN: Indonesian Journal of Marine Sciences Journal of Aquaculture and Fish Health Journal Of Aquaculture Development and Environment Jurnal Perikanan
Insani, Liga
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Agriculture, Biological Sciences & Forestry Humanities Earth & Planetary Sciences Environmental Science

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Pests, diseases and natural food for Abalone (Haliotis squamata) larvae Merdekabasuki, Aisyyah Maga; Insani, Liga; Dadiono, Muh Sulaiman
Journal of Aquaculture Development and Environment Vol 7, No 1 (2024): Journal of Aquaculture Development and Environment
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/jade.v7i1.8596

Abstract

The development of seawater cultivation (marineculture) leads to important economic commodities, one of which is shellfish such as abalone shells (Haliotis squamata). Abalone is very popular among people both domestically and abroad, this has caused the demand for abalone to increase. However, most of the abalones are obtained from wild catches. This is what causes the abalone population in nature to decline. Therefore, abalone cultivation, especially seeding, is one way to meet market demand. Problems arise when the larvaes are in the larvae phase, which is susceptible to pest attacks and disease and feed that is appropriate to the size of the abalone larvaes. This research is descriptive research where the primary data collection method is carried out in 3 ways, namely observation, active participation and interviews. This activity aims to find out pests and diseases that attack abalone larvaes and the type of feed that suits the size of the abalone larvaes.
THE INFLUENCE OF STOCKING DENSITIES ON WHITE SHRIMP (Litopenaeus vannamei) REARED USING INTENSIVE SYSTEM: PRODUCTION PERFORMANCE AND WATER QUALITY Insani, Liga; Jatayu, Diklawati; Mahendra, I Gede Rezza; Wiyasa, Made Wisnu; Kurnianto, Bayu; Ardiansyah, Ardiansyah
Jurnal Perikanan Unram Vol 15 No 1 (2025): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v15i1.1291

Abstract

ABSTRACT The increasing trend of vaname shrimp cultivation production encourages farmers to increase their cultivation production. The success of vaname shrimp cultivation can be seen from the ability to measure the capacity of shrimp biomass in maintenance activities and stocking density patterns based on the maximum capacity of the pond in each plot. The purpose of this study was to analyze vaname shrimp cultivation activities for a period of 2 years (2023-2024) in intensive system ponds based on different stocking density patterns at 140 shrimp/m2 and 190 shrimp/m2. This study was carried out for 6 cultivation cycles, each cycle was carried out for 100 days. The results of statistical tests showed that the shrimp stocking density pattern had a significant effect (p <0.05) on biomass, productivity, survival and feed conversion ratio. The average survival rate of 140 shrimp/m2 stocking density was 85.33%, biomass was 3,327.75 kg, FCR was 1.44 and productivity was 30.8 tons/ha. The average survival rate with a stocking density of 190 shrimp/m2 was 73.66%, biomass 1,981.87 kg, FCR 1.59 and productivity 12.38 tons/ha. This shows that biomass, SR, and productivity decreased while FCR tended to increase in cultivation with a stocking density of 190 shrimp/m2. The results of water quality showed an increase in the Total Organic Matter value of 110-250 mg/l at a stocking of 190 shrimp/m2. This shows that there is an increase in organic matter in the maintenance pond which affects the survival of shrimp in the pond so that it affects the biomass and productivity of whiteleg shrimp. A stocking density of 140 shrimp/m2 can be recommended for application in intensive whiteleg shrimp cultivation. Keywords: intensive system, stocking density, water quality, whiteleg shrimp
Performance of Growth, Survival Rate, and Behavioral in Seabass (Lates calcarifer) Seed Production with Artemia Enrichment using Sardinella Oil Nisa, Andina Chairun; Ilham, Ilham; Aras, Annisa Khairani; Insani, Liga; Jatayu, Diklawati; Febrianti, Desy; Mahendra, I Gede Rezza
Journal of Aquaculture and Fish Health Vol. 14 No. 3 (2025): JAFH Vol. 14 No. 3 September 2025
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v14i3.68807

Abstract

Essential nutrients for seabass (Lates calcarifer) growth can be derived from the live feed Artemia sp. Artemia sp. It is reported to contain protein levels between 40 and 55%, carbohydrate levels between 15 and 20%, and a lipid content of around 0.4%. Enrichment of Artemia sp. It is necessary to improve its nutritional value and promote seabass larval growth. Sardinella fish oil is one option for enriching Artemia sp. This study aims to determine the optimal dosage of Sardinella oil for Artemia sp. Enrichment to achieve optimal growth and survival rates in seabass (Lates calcarifer) larvae. The study employed a completely randomized design (CRD) with five treatments and three replicates. The treatments were: unenriched Artemia (K-), Artemia + 0.9 g/l Squalene Fish Oil (K+), Artemia + 1 ml Sardinella Oil (A), Artemia + 1 ml Sardinella + 1 ml Egg Yolk (B), and Artemia + 0.5 ml Sardinella Oil + 0.5 ml Egg Yolk (C). The highest absolute weight was observed in treatments A and C, both recording 2.02 g (±0.20 g and ±0.09 g, respectively). Regarding absolute length, treatments A and C also showed the highest values, measuring 1.89 cm (±0.17 g) and 1.90 cm (±0.17 g), respectively. The highest survival rate (SR) was likewise found in treatments A (34.67% ± 2.63%) and C (38.08% ± 3.89%). Based on the tested treatments, the optimal dose for seabass growth and survival (SR) was determined to be treatment C, which included 0.5 ml of Sardinella oil and 0.5 ml of egg yolk.
Commercial Probiotics Improve Growth, Feed Efficiency, Nitrogen Removal, Hemocyte Count and Suppression of Vibrio Population in Pacific White Shrimp Culture Utami, Diah Ayu Satyari; Ilham, Ilham; Insani, Liga; Kusmiatun, Anik; Wahyu, Wahyu; Yudiati, Ervia; Rahman, Rahman; Albasri, Hatim; Szuzter, Brian Walter
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 30, No 3 (2025): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ik.ijms.30.3.395-410

Abstract

The Pacific white shrimp (Penaeus vannamei) is a key species in global aquaculture, particularly under intensive farming systems where high stocking densities often lead to deteriorating water quality, disease outbreaks, and reliance on antibiotics. While probiotics are increasingly applied to enhance shrimp health and performance, comparative evidence on the efficacy of different commercial probiotic formulations remains limited. This study aimed to evaluate the effects of three commercial probiotic products on growth performance, water quality, microbial populations, and immune response in intensively reared Pacific white shrimp. Shrimp were fed diets supplemented with one of three probiotics (PB, PL, and PMB) or a control diet for 40 days. Growth parameters, nitrogenous waste levels, bacterial counts in water and organs, and total hemocyte count (THC) were analyzed. The PB treatment (multi-strain Bacillus) significantly enhanced specific growth rate (2.99±0.0027% day⁻¹), feed efficiency (57.5±0.09%), weight gain, and THC (3.80 × 10⁵ cells mm⁻³) compared to control (P<0.05). The PB and PMB treatments also reduced total ammonia nitrogen, nitrite, nitrate, and Vibrio populations in water and shrimp tissues. Intestinal colonization by beneficial bacteria was highest in PB and PL groups. These results demonstrate that specific probiotic formulations, particularly PB, can improve growth, immunity, and water quality while reducing reliance on antibiotics and water exchange. The findings support the integration of targeted probiotics in sustainable shrimp aquaculture, including biofloc and recirculating aquaculture systems (RAS).
Co-Authors Abrori, Mohsan ANIK KUSMIATUN Aras, Annisa Khairani ARDIANSYAH ARDIANSYAH DIAH AYU SATYARI UTAMI Ervia Yudiati Febrianti, Desy Fikriyah, Amiqatul Hatim Albasri, Hatim Ilham Ilham Jatayu, Diklawati Jayawarsa, A.A. Ketut Kiswanto, Arie Kurnianto, Bayu Mahendra, I Gede Rezza Merdekabasuki, Aisyyah Maga Muh. Sulaiman Dadiono Nisa, Andina Chairun Rahman Rahman Sudiarsa, I Nyoman Szuzter, Brian Walter Undu, Muhammad Chaidir Wahyu Wahyu Wiyasa, Made Wisnu