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Habitat: Jurnal Ilmiah Ilmu Hewani dan Peternakan
Published by Asosiasi Riset Ilmu Tanaman dan Hewan Indonesia
ISSN : 30465354     EISSN : 30465370     DOI : 10.62951
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
jurnal Rumpun Ilmu Hewan. Bidang kajian dalam jurnal ini meliputi subkelompok Ilmu Peternakan, Perikanan, dan Ilmu Kedokteran Hewan
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Hewan dan Zoologi
Articles 26 Documents
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Tingkat Keramahan Alat Tangkap Purse Seine Milik PT. Era Samudera Jaya yang Didaratkan di PPS Nizam Zachman Jakarta Rico Evan Aryanda; Exist Saraswati; M. Tajuddin Noor
Habitat: Jurnal ilmiah ilmu Hewani dan Peternakan Vol. 4 No. 2 (2026): Agustus : Habitat : Jurnal ilmiah ilmu Hewani dan Peternakan
Publisher : Asosiasi Riset Ilmu Tanaman Dan Hewani Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/habitat.v4i2.496

Abstract

The degradation of environmental resources and aquatic biota is primarily caused by the high intensity of fishing activities and competition among fishing gears, leading fishermen to employ various methods, including the use of environmentally unfriendly fishing gear. Evaluating the impacts of fishing gear operations should address several key issues, such as environmental impacts, effects on resource abundance, fishing gear utilization, and impacts on target fish resources. Assessing the environmental friendliness of fishing gear is an important approach in sustainable fisheries management. Therefore, it is necessary to analyze the environmental friendliness level of Purse Seine fishing gear used at PT. Era Samudera Jaya. This objective can be achieved through proper management practices to ensure the sustainability of fishery resources. This study aims to describe the technical specifications of Purse Seine fishing gear landed at PT. Era Samudera Jaya and to determine the environmental friendliness level of Purse Seine fishing gear landed at PT. Era Samudera Jaya based on the FAO Code of Conduct for Responsible Fisheries (FAO-CCRF). The data collection method used in this study was random sampling through interviews conducted using questionnaires designed by the researcher and distributed to Purse Seine fishermen operating at PT. Era Samudera Jaya.
Evaluation of Biofloc System Efficiency in Whiteleg Shrimp (Litopenaeus vannamei) Culture for Juvenile Growth and Survival Regina M Loppies; Edir Lokollo; Dessyre Marlen Nendissa
Habitat: Jurnal ilmiah ilmu Hewani dan Peternakan Vol. 2 No. 1 (2024): Februari : Habitat: Jurnal ilmiah ilmu Hewani dan Peternakan
Publisher : Asosiasi Riset Ilmu Tanaman Dan Hewani Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/habitat.v2i1.507

Abstract

Biofloc technology offers a promising strategy for improving production efficiency and environmental stability in intensive shrimp culture. This study evaluated the efficiency of a biofloc system compared with a conventional system based on the growth, feed utilization, survival, final body weight, and water quality of juvenile whiteleg shrimp (Litopenaeus vannamei). A quantitative experimental design was applied using two culture treatments, each consisting of three independent replicates. Juvenile shrimp with relatively uniform initial body weights were maintained for 60 days under standardized stocking density, feeding management, aeration, and culture conditions. The observed parameters included absolute weight gain, average daily growth, specific growth rate, final body weight, survival rate, feed conversion ratio, temperature, pH, dissolved oxygen, salinity, ammonia, and nitrite. Data were analyzed descriptively and comparatively using an independent-samples t test or Mann–Whitney U test according to data distribution. The biofloc system produced higher growth, final body weight, and survival than the conventional system while generating a lower feed conversion ratio. It also maintained higher dissolved oxygen and lower ammonia and nitrite concentrations. Temperature, pH, and salinity remained comparable between treatments. These findings demonstrate that biofloc technology can improve feed utilization, control nitrogenous waste, and provide more stable environmental conditions for juvenile whiteleg shrimp. Its application should be accompanied by careful management of aeration, carbon inputs, and suspended solids.  
Effects of Carrageenan Concentration in Culture Medium on the Growth, Filament Morphology, and Biochemical Composition of Spirulina platensis as a Fish Feed Ingredient Dwight Soukotta; Beni Setha; Cindy Regina M Loppies
Habitat: Jurnal ilmiah ilmu Hewani dan Peternakan Vol. 3 No. 1 (2025): Februari : Habitat : Jurnal ilmiah ilmu Hewani dan Peternakan
Publisher : Asosiasi Riset Ilmu Tanaman Dan Hewani Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/habitat.v3i1.508

Abstract

Spirulina platensis has considerable potential as a functional fish-feed ingredient because of its high protein content, natural pigments, and bioactive compounds. However, cultivation conditions must be optimized to produce biomass with stable growth, filament integrity, and biochemical quality. This study evaluated the effects of carrageenan concentration in culture media on the physical characteristics, biomass growth, filament morphology, and biochemical composition of S. platensis. A laboratory experiment was conducted using a Completely Randomized Design comprising four carrageenan treatments: 0.00%, 0.05%, 0.10%, and 0.15%, with three independent replications. The measured parameters included pH, temperature, viscosity, biomass density, dry biomass, specific growth rate, biomass productivity, filament length, fragmentation percentage, crude protein, phycocyanin, chlorophyll, and moisture content. Data were analyzed using one-way analysis of variance followed by Duncan’s multiple range test. Carrageenan significantly increased medium viscosity without substantially changing pH or temperature. The 0.10% treatment produced the highest biomass density, dry biomass, specific growth rate, and biomass productivity. It also generated the longest filaments, lowest fragmentation percentage, and highest protein, phycocyanin, and chlorophyll contents. Conversely, the 0.15% treatment reduced growth, filament integrity, and biochemical quality, indicating that excessive viscosity may restrict light penetration, aeration, mixing, and nutrient transfer. The findings demonstrate that 0.10% carrageenan provides the most favorable cultivation conditions among the tested concentrations. This concentration can be considered for producing high-quality S. platensis biomass, although direct feeding trials are required to confirm its digestibility, biological effectiveness, and economic feasibility in aquaculture.
Relationship Between Pond Water Physicochemical Parameters and the Health and Productivity of Nile Tilapia (Oreochromis niloticus) in a Polyculture System Edir Lokollo; Dessyre Marlen Nendissa; Dwight Soukotta
Habitat: Jurnal ilmiah ilmu Hewani dan Peternakan Vol. 3 No. 1 (2025): Februari : Habitat : Jurnal ilmiah ilmu Hewani dan Peternakan
Publisher : Asosiasi Riset Ilmu Tanaman Dan Hewani Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/habitat.v3i1.509

Abstract

Water quality is a fundamental determinant of fish health, growth, feed efficiency, and survival, particularly in polyculture systems where biological interactions and organic-waste accumulation can increase environmental variability. This study aimed to analyze the relationships between pond-water physicochemical parameters and the health and productivity of Nile tilapia (Oreochromis niloticus) cultured in a polyculture system. A quantitative correlational design was applied over a three-month observation period. Temperature, pH, dissolved oxygen, ammonia, and nitrite were measured routinely using calibrated instruments. Fish health was assessed through hematocrit and leukocyte levels, while productivity was evaluated using final body weight, feed conversion ratio, and survival rate. Data were analyzed using descriptive statistics, correlation analysis, and multiple linear regression. The findings showed that dissolved oxygen and ammonia were the most influential water-quality parameters. Higher dissolved oxygen was associated with better hematological condition, increased final body weight, more efficient feed utilization, and higher survival. Conversely, elevated ammonia was associated with increased physiological stress, reduced growth, poorer feed conversion, and lower survival. Temperature, pH, and nitrite demonstrated weaker relationships but remained important for maintaining environmental stability and supporting fish metabolism. These findings emphasize the importance of integrated water-quality management through regular monitoring, appropriate feeding, adequate aeration, stocking-density control, and organic-waste management. The study provides a practical foundation for adaptive pond management that can improve fish welfare, production efficiency, and the sustainability of Nile tilapia polyculture systems.
Interactive Effects of Water Temperature and Stocking Density on the Growth and Survival of Asian Seabass (Lates calcarifer) Larvae in a Recirculating Aquaculture System Beni Setha; Dwight Soukotta; Dessyre Marlen Nendissa
Habitat: Jurnal ilmiah ilmu Hewani dan Peternakan Vol. 3 No. 2 (2025): Agustus : Habitat : Jurnal ilmiah ilmu Hewani dan Peternakan
Publisher : Asosiasi Riset Ilmu Tanaman Dan Hewani Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/habitat.v3i2.510

Abstract

The production of high-quality Asian seabass (Lates calcarifer) seed is strongly influenced by environmental management during the larval stage. Water temperature regulates metabolic activity, feeding, digestion, and development, whereas stocking density affects competition, stress, water quality, and survival. This study evaluated the individual and interactive effects of water temperature and stocking density on the growth and survival of Asian seabass larvae cultured in a recirculating aquaculture system. A completely randomized factorial design consisting of three temperature levels and three stocking densities was applied. The nine treatment combinations were independently replicated three times using separate recirculating culture units. Specific growth rate, weight gain, length gain, survival, mortality, size variation, and water-quality parameters were measured during the culture period. Data were analyzed using two-way analysis of variance followed by multiple-comparison testing. Water temperature and stocking density significantly affected larval growth and survival, and a significant interaction occurred between the two factors. The highest individual growth and survival were obtained at 30 °C and 10 larvae/L. However, the combination of 30 °C and 20 larvae/L provided the most balanced operational performance by maintaining high growth and survival while improving tank utilization. Larvae maintained at 32 °C and 30 larvae/L exhibited the lowest growth and survival, the highest mortality and size variation, reduced dissolved oxygen, and greater nitrogenous-waste accumulation. These findings demonstrate that temperature and stocking density should be managed jointly according to RAS treatment capacity. Maintaining an appropriate temperature–density combination can improve larval health, seed-production efficiency, fish welfare, and the environmental sustainability of Asian seabass hatcheries
Strategies for Improving the Feed Quality of Striped Snakehead (Channa striata) Through Microbial Fermentation to Optimize Growth and Health Siska almaniar; Ifhan Dwinhoven; Triayu Rahmadiah
Habitat: Jurnal ilmiah ilmu Hewani dan Peternakan Vol. 3 No. 2 (2025): Agustus : Habitat : Jurnal ilmiah ilmu Hewani dan Peternakan
Publisher : Asosiasi Riset Ilmu Tanaman Dan Hewani Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62951/habitat.v3i2.514

Abstract

The nutritional limitations and low digestibility of conventional feed ingredients can restrict the growth, feed efficiency, survival, and health of striped snakehead. This study aimed to evaluate the effectiveness of microbial fermentation in improving feed quality and production performance and to identify the most effective microorganism and fermentation duration. A completely randomized design was applied using five dietary treatments: nonfermented feed, EM4-fermented feed for five and seven days, and Bacillus spp.-fermented feed for five and seven days. Each treatment consisted of four replicates, resulting in 20 experimental units. Juvenile striped snakehead were reared for 56 days under controlled conditions. Feed quality was evaluated through proximate composition and protein digestibility, while biological responses were assessed using average daily gain, feed conversion ratio, survival rate, and hematological indicators. The findings demonstrated that microbial fermentation increased crude protein, reduced crude fiber, and improved protein digestibility. Fermented diets also enhanced growth, feed efficiency, survival, and physiological health compared with nonfermented feed. The seven-day Bacillus spp. treatment produced the most favorable nutritional and biological responses. These findings indicate that microbial fermentation represents a promising strategy for improving striped snakehead feed and supporting sustainable aquaculture. Standardized fermentation procedures and larger commercial trials are required before extensive application.

Page 3 of 3 | Total Record : 26

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