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Journal of Fisheries & Marine
Published by Universitas Airlangga
ISSN : 20855842     EISSN : 25280759     DOI : https://doi.org/10.20473/jipk.v16i1.44436
Core Subject : Science,
Biochemistry, Genetics & Molecular Biology
Jurnal Ilmiah Perikanan dan Kelautan (JIPK; English: Scientific Journal of Fisheries and Marine) ISSN International Centre | ISSN:2528-0759 (Online) | ISSN: 2085-5842 (Print) JIPK is a peer-reviewed and open access biannually (April and November) that published by the Faculty of Fisheries and Marine, Universitas Airlangga. The aim of JIPK is to publish exciting, empirical research, recent science development, and high-quality science that addresses fundamental questions in fisheries and marine. JIPK only accepts manuscripts written in full English and processes submitted original script related of scope to fisheries and marine science and not being published by other publishers. We publish four categories of papers; 1) Original research papers, 2) Critical review articles, 3) Short communications, and, 4) Special Issue on applied or scientific research relevant to freshwater, brackish and marine environments. This journal gives readers the state of art of the theory and its applications of all aspects of fisheries and marine science. The scope of this journal includes, but is not limited to the research results of: Aquaculture, Fish Diseases, Marine science, Oceanography, Aquatic resources management, Fisheries product technology, Fish capture, technology, Fishery agribusiness, Fishery biotechnology/molecular genetics, Fish health management. JIPK has been indexed in Scopus, DOAJ, Sinta 1, Dimensions, Crossref, and others indexing. This journal has been accredited as a 1st Grade Scientific Journal (Sinta 1) by the Ministry of Research, Technology, and Higher Education of Indonesia since 8 December 2020.
Arjuna Subject : Biokimia, Genetika dan Biologi Molekuler - Biokimia
Articles 560 Documents
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The Occurrences of Harmful Algal Blooms (HABs) Species and Trophic Status Update in Kedung Ombo Reservoir Rahman, Arif; Haeruddin; Prakoso, Kukuh
Jurnal Ilmiah Perikanan dan Kelautan Vol. 17 No. 1 (2025): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.vi.55767

Abstract

Graphical Abstract   Highlight Research Six harmful algal species were identified, with Aphanizomenon sp. being the most dominant, primarily from Cyanophyceae (blue-green algae). Kedung Ombo Reservoir is eutrophic, with low transparency, low dissolved oxygen (DO), and high phosphate levels (0.10–0.88 mg/L) contributing to HABs. Anthropogenic activities, including aquaculture, agriculture, and sewage, accelerate nutrient enrichment and phytoplankton overgrowth. Trophic State Index (TSI) confirmed eutrophic conditions, with HABs abundance linked to high phosphate concentrations. Urgent mitigation efforts like nutrient control, biomanipulation, and regular monitoring are needed to prevent further HABs outbreaks.     Abstract Anthropogenic inputs affect the quality of freshwater ecosystems which causes ecological and health problems to aquatic ecosystems. Harmful algal blooms (HABs) associated with cyanotoxins often occur in nutrient-rich or eutrophic freshwater ecosystems. Kedung Ombo Reservoir in Indonesia has been previously classified as eutrophic to hypertrophic. Therefore, this study aimed to identify the occurrences of potential HABs species, measure the bio-physico-chemical water quality parameters, and update the trophic status of Kedung Ombo Reservoir. Sampling was done thrice during the dry season in 2022 from 5 stations. Twenty-two species of phytoplankton were observed in Kedung Ombo Reservoir. Anabaenopsis sp., Aphanizomenon sp., Ceratium sp., Mougeotia sp., Pandorina sp., and Ulothrix sp. were identified as potentially harmful species. Among those, the potentially HABs species, Aphanizomenon sp. was the most abundant (179,344 cells/L) and Cyanophyceae (205,539 cells/L) was the dominant group of phytoplankton. Kedung Ombo Reservoir had a water temperature of 29.49±0.41°C, phosphate of 0.27±0.25 mg/L, and alkaline pH of 7.90±0.39. Kedung Ombo Reservoir also had low transparency coupled with low dissolved oxygen concentration. The occurrences of HABs species were correlated with transparency and dissolved inorganic nutrients, especially phosphate concentrations. Kedung Ombo Reservoir showed eutrophic conditions based on Secchi depth, chlorophyll-a, total phosphorus, and TSI. Based on research findings, control and mitigation efforts are needed to overcome the eutrophication problems which disrupt the balance of the aquatic ecosystem in the Kedung Ombo Reservoir.
Quality and Shelf Life Assessment of Modified Pekasam Ale-ale (Meretrix meretrix) Nofiani, Risa; Nopianti, Nopianti; Ardiningsih, Puji
Jurnal Ilmiah Perikanan dan Kelautan Vol. 17 No. 1 (2025): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.vi.55777

Abstract

Graphical Abstract   Highlight Research Pekasam ale-ale is spontaneously fermented ale-ale (Meretrix meretrix) flesh with fine salt and incubated for 3-7 days. Modified pekasam ale-ale prepared by adding 155 g of garlic powder into the original pekasam ale-ale showed the best acceptability and had a different quality than the original pekasam ale-ale. The best maturity time and the predicted shelf life for modified pekasam ale-ale fell on days 40 and 60, respectively. Garlic powder has successfully improved the taste and aroma of modified pekasam ale-ale.     Abstract Pekasam ale-ale is spontaneously fermented ale-ale (Meretrix meretrix) flesh with fine salt and carbohydrates, such as sugar, rice porridge or angkak (red fermented rice) followed by incubation for 3-7 days. This product has a slightly fishy odour based on the communities’ opinion at Ketapang and its unknown shelf life. The original recipe added granulated sugar and garlic powder might be able to remove the fishy odour. The effects of the addition of both ingredients are still unknown for the quality, consumer acceptability and shelf life. The objective of the study was to evaluate the quality and shelf life of pekasam ale-ale added granulated sugar and garlic powder based on sensory, physicochemical and microbiological profiles. Three recipes for this study were A (1 kg of fresh ale-ale flesh, 400 g of fine salt), B (recipe A, 200 g of granulated sugar, 55 g of garlic powder), and C (recipe A, 200 g of granulated sugar, 125 g of garlic powder) then tested physicochemical, microbiological and sensory properties. The water content, pH, and free fatty acids of A, B, and C differ significantly except for the ash content. All recipes were safe for consumption based on their physicochemical and microbiological properties. The best taste and aroma were awarded to C and B, respectively. The best acceptance score was awarded for C, with days 40 and 60 for the best maturity and shelf life, respectively. In conclusion, garlic powder successfully enhances the taste and aroma and reduces the fishy aroma of pekasam ale-ale.
Seabed Geoacoustic Analysis Using Scientific Single Beam Echosounder La Elson, La Elson; Manik, Henry M. Manik; Hestirianoto, Totok Hestirianoto; Pujiyati, Sri Pujiyati
Jurnal Ilmiah Perikanan dan Kelautan Vol. 17 No. 1 (2025): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.vi.55832

Abstract

Graphical Abstract   Highlight Research Hydroacoustic technology was used to identify seabed substrates in real-time with the Simrad EK-15 Single Beam Echosounder. Acoustic backscatter analysis classified seabed substrates into 9 sediment types, with reflection values ranging from -28.03 dB to -20.02 dB. Machine learning models (k-NN and Random Forest) achieved 98.21% and 96.43% accuracy, enabling faster sediment classification than conventional methods. Geoacoustic analysis revealed sound speed, sediment density, acoustic impedance, and reflection coefficients, defining the physical properties of the seabed. This study supports coastal engineering, marine habitat conservation, and underwater geological mapping more effectively and efficiently.     AbstractHydroacoustic technology was able to quantify the seabed substrate and can be estimated accurately and near real time on the acoustic characters of each substrate. The purpose of the research was to identify the geoacoustic characteristics and spatial mapping of the seabed substrate in Lancang Island. Acoustic data was acquired using a Simrad EK-15 Single Beam Echosounder instrument operating at 200 kHz. Sediment samples were taken using an Ekman grab, which will be used to validate the acoustic data. The results of this study indicated that the acoustic backscatter values of the seabed substrate based on the surface backscattering strength value and sediment particle size at fourteen sampling stations are -28.03 decibels to -20.02 decibels divided into 9 sediment type groups, namely medium and very coarse sand mixture; medium sand; medium, fine and coarse sand mixture; medium and fine sand mixture; fine and medium sand mixture; medium and very fine sand mixture; very fine and medium sand mixture; fine and very fine sand mixture; and fine sand. The accuracy level of k-Nearest Neighbour and Random Forest computational used has very good accuracy of 98.21 % and 96.43 % and Naevi Bayes has a lower accuracy of 58.93 %. The identified geoacoustic characteristics included the mean grain size, sound speed, density, acoustic impedance, and reflection coefficient. Faster, more effective, and efficient computational processes with high accuracy make k-Nearest Neighbour and Random Forest models the best alternative to be used as geoacoustic computational models of seafloor substrates.
The Genetic Relationship Analysis of Genus Nomorhamphus from Lindu Lake, Central Sulawesi and Adaptive Responses to Exposure Different Light Wavelengths Hafidah, Riva; Soelistyowati, Dinar Tri; Sudrajat, Agus Oman; Alimuddin
Jurnal Ilmiah Perikanan dan Kelautan Vol. 16 No. 2 (2024): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v16i2.55837

Abstract

Graphical Abstract Highlight Research Genus Nomorhamphusfrom three river inlets of Lindu Lake, Central Sulawesi was identified as Nomorhamphus with CO1 gene. Green wavelength can accelerate growth and maturation. Wild fish Nomorhamphus can complete life cycles in an aquaculture environment. Domestication level two is completed. Abstract Genus Nomorhamphus is an endemic fish that can be found in Sulawesi, Indonesia. This fish belongs to the halfbeak group and has diverse colors and morphology. It has economic value as an export commodity in the ornamental fish trade. Exploration of the genetic relationship of genus Nomorhamphus in Central Sulawesi is still limited. Nomorhamphus's fulfillment of export demand still comes from wild catches. This study aimed to identify the genetic relationship of genus Nomorhamphus in the inlet rivers of Lake Lindu, Central Sulawesi, and evaluate the adaptation response of genus Nomorhamphus to different wavelengths of light exposure. Caudal fin of six fish from the three inlet rivers of Lake Lindu were preserved in 95% ethanol for DNA extraction purposes. This research used a completely randomized design with three treatment, namely rearing under white (400 nm), green (525 nm), and red (625 nm) light for 60 days. Each treatment had three replications in the form of aquariums, with each aquarium being filled with four fish. A total of 42 fish were utilized in the study. CO1 sequence was amplified with universal primers of FISH-F2 and FISH-R2. The PCR amplification products were then sequenced and performed with phylogenetic tree analysis. The genetic diversity analysis suggests that the genus Nomorhamphus of all three rivers, Lindu Lake, Central Sulawesi is one species as Nomorhamphus sp.. Male and female growth length and gonad maturation were developed faster under green light exposure, while survival rate, blood glucose level, and color quality were not significantly different under different light. Exposure of wild fish to green light Nomorhamphus sp. can accelerate gonad maturation and growth to accelerate domestication.
The Response to Fishing Decisions and Changes in Fishing Income during Extreme Weather: A Behavioural Economy Study of Small-Scale Coastal Fisher Households Rahim, Abd.; Abdul Malik; Diah Retno Dwi Hastuti
Jurnal Ilmiah Perikanan dan Kelautan Vol. 17 No. 1 (2025): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.vi.55892

Abstract

Graphical Abstract Highlight Research 1. Fishermen continue fishing during extreme weather despite higher risks and reduced income to sustain their households. 2. Fishing decisions are influenced by education, engine power, and income potential, while experience and family size have less impact. 3. Fishing income declines significantly in extreme weather, with fuel costs being the main factor affecting profits. 4. Adaptation strategies include income diversification, adjusting fishing locations, and modifying gear to cope with climate uncertainties. 5. Policies should support climate adaptation, financial security, and alternative livelihoods for small-scale fishing communities.     Abstract Extreme weather, attributed to global climate change, has altered the economic behaviour of small-scale fishing households in coastal areas.  This study aims to analyse the economic behaviour of fishermen by investigating their fishing decisions using a logistic regression model using the maximum likelihood estimation method and their fishing business income through a normalized profit function. The research employed a quantitative research method with a survey approach conducted in the western coastal region of Barru Regency, Indonesia. The research sample consisted of 209 fishing households.  The findings reveal that fishermen fish during extreme weather conditions to meet their household's economic needs, even though their earnings are diminished. Various factors, including the power of the boat engine, fishermen's age and education level, and the potential income from fishing, influence the decision to fish during extreme weather. Additionally, engine fuel prices, education levels, and the number of dependents in the family also impact fishers' income during extreme weather.  The most important factor influencing the decision to fish in extreme weather conditions is formal education. Another factor that has the greatest impact on fishermen's income, both in the fishing season and during extreme weather, is the price of engine fuel. Fishermen can adapt to events triggered by extreme weather by implementing specific strategies. For instance, diversifying income by aquaculture production can be an alternative to sea fishing. Diversifying the types of fishing gear to accommodate different weather conditions is equally crucial. Fishing periods and locations can be adjusted to align with prevailing weather conditions. The contribution and significance of this research is to provide insight and understanding of the impact of extreme weather on fishing decisions and changes in the income of capture fishermen. This condition is the economic behaviour of small-scale fishing households in coastal areas when faced with extreme weather events.
Effect of Crossbreeding on Fecundity, Growth Performance, and Heterosis of Black Tilapia, Red Tilapia, and Mozambique Tilapia Reared in Earthen Ponds in West Java, Indonesia Robisalmi, Adam; Listiyowati, Nunuk; Pamungkas, Wahyu; Artati, Diah; Mustofa, Bisri; Malini, Desak Made
Jurnal Ilmiah Perikanan dan Kelautan Vol. 17 No. 1 (2025): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.vi.55958

Abstract

Graphical Abstract   Highlight Research The crossbred performance of the four tilapia strains showed diverse heterosis values, with some being better, worse, or the same as their parents. Crossbred of black tilapia produced the best growth and fecundity performance. A hybrid of Mozambique tilapia and black tilapia showed the highest mid-parent heterosis value on growth traits but produced negative heterosis on fecundity, biomass, and survival traits. Crossbred of black tilapia and Mozambique tilapia have the potential to be used as candidates for cultivation and performance improvement through selection, although there are depressions and crossover advantages that are not prominent.     Abstract Increased tilapia production is challenged by genetic decline. Hybridization efforts for performance improvement through a selection of the best parent and strain pairs were a promising option. The objective of this study was to evaluate the crossing of black tilapia, red tilapia, and Mozambique tilapia against the performance of fecundity, growth, and survival and estimate the value of heterosis. The experimental design used a completely randomized design with 3 replications with the treatment of different populations of crosses. The rearing activities were carried out in earthen ponds for 150 days with a stocking density of 10 fish/m2. The parameters observed included egg fecundity, growth, survival, and the value of heterosis. The results showed that the fecundity and growth values of crossbred black tilapia were significantly higher than others (p<0.05). The highest survival rate was shown by crossing pure strains of red tilapia. The hybrid of Mozambique tilapia and black tilapia (♀ MJ x ♂ NW) showed the highest mid-parent heterosis value on growth characters but produced negative heterosis on characters, fecundity, biomass, and survival. Overall, the crossbred of black tilapia (♀BS x ♂ NW) performed better than the inbred strains, with positive mid-parent heterosis in all characters measured. These results indicate that crossbreeding has the potential to be used as a candidate for cultivation and performance improvement through selection, although there were depressions, and the superiority of the crosses was not prominent.
Optimization of Effervescent Tablets in Sensory Acceptance from the Active Ingredients of Fish Protein Hydrolysate and Microalgae Chlorellae sp. powder Yuniarti, Tatty; Nanda Anggiani Putri; M.Si, Niken Dharmayanti; Mugi Mulyono; Sri Sugiwati; Pujoyuwono Martosuyono; Ita Junita Puspa Dewi; Aghitia Maulani; Taufik Hidayat
Jurnal Ilmiah Perikanan dan Kelautan Vol. 17 No. 1 (2025): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.vi.56019

Abstract

Graphical Abstract Highlight Research 1. FPH and Chlorella sp. microalgae can be used as effervescent tablet ingredients received by panelists. 2. The mixture design method can determine the formula of effervescent tablets made from a combination of FPH and microalgae 3. The best percentage of FPH and microalgae in effervescent tablets was 5.873% and 9.127%.     Abstract Effervescent tablets are a promising delivery system for functional food ingredients, offering convenience and enhanced consumer appeal. This study aimed to optimize effervescent tablet formulations incorporating Fish Protein Hydrolysate (FPH) and Chlorella sp. powder using the d-optimal mixture design method. Thirteen formulations were evaluated for sensory attributes (color, aroma, taste, aftertaste, hedonic scores) and chemical properties (protein, lipid, water content). The optimal formulation, consisting of 5.873% FPH and 9.127% Chlorella sp. powder, significantly improved sensory acceptance (p < 0.05), validated by a robust statistical model (R2 = 0.93). Proximate analysis confirmed the nutritional value, with protein contents of 19.60% and 47.68% in FPH and Chlorella sp., respectively, along with flavonoids (2.69%) in Chlorella sp.. These results demonstrate the successful integration of bioactive compounds into effervescent formulations, addressing consumer demand for sustainable and health-promoting products. This research provides a framework for developing innovative functional food products, contributing to the global advancement of nutraceuticals and sustainable food solutions. Future studies should focus on long-term stability, bioavailability, and consumer acceptability to enhance the commercialization potential of these effervescent tablets.
Oceanographic Characteristics in the Three International Indonesian Archipelago Sea Lanes (IASLs) Region: Implications for Underwater Acoustics System Putra, I Wayan Sumardana Eka; Atmadipoera, Agus Saleh; Manik, Henry Munandar; Harsono, Gentio; Purwandana , Adi
Jurnal Ilmiah Perikanan dan Kelautan Vol. 17 No. 2 (2025): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v17i2.56045

Abstract

Graphical Abstract Highlight Research The IASL-1 entry portal in the southern and northern regions shows the emergent SOFAR channels. The shadow zone and the existence of a SOFAR deep sound channel in the IASL-2 and IASL-3 routes can be triggered by the emergent “saddle” SVP pattern.  The variability seasonally and interannually due to variations in seawater properties stratification plays an important role in SOFAR channel appearances in IASLs. The diverse oceanographic characteristics of IASLs necessitate the implementation of sustainable marine geospatial data. Abstract Indonesian Maritime Continent (IMC) is responsible for the three international sea lanes, known as Indonesian Archipelago Sea Lanes (IASLs), which allowed ships to navigate across territorial waters between Pacific and Indian Oceans and vice versa. Gaining knowledge about the distinct oceanographic characteristics of the three IASLs can offer valuable insight into maritime safety and sustainable marine resource management. Therefore, this research aims to review oceanographic characteristics in IASLs regions from available previous research to provide a comprehensive insight into the processes and dynamical oceanography in IASLs region as well as determine the implications for underwater acoustic patterns. The results showed that IASL-1 route is characterized by a shallow shelf passage with homogeneous sound velocity profile (SVP), which has a deep and narrow entry portal in the southern and northern Sound Fixing and Ranging Channel (SOFAR) channels. Seasonal reversal monsoonal wind-driven current dominates the circulation. IASL-2 and IASL-3 routes transported a deep and narrow passage with complexity of seaair interactions that vary on seasonal and interannual time scales. These IASLs were established with the saddle SVP, which trigger the shadow zone and the existence of SOFAR deep sound channel with seasonal and interannual variations in seawater properties stratification. The diverse oceanographic characteristics discussed significantly influence the underwater object detection equipment, the planning time, and the strategies for underwater defense systems. Due to the implications, it is necessary to use marine geospatial database, which may be adopted to facilitate policy-making, providing approximations for marine activities and management along IASLs.
Isolation of H2S-generating Bacterium (Desulfovibrio sp.) and Vibrio parahaemolyticus From Aquatic Farming and In Vitro Evaluation of the Ability of Bacteriophages as Biocontrol Van, Truong Thi Bich; Loan Anh, Nguyen Thi; Huu Tri , Nguyen; Tuan, Chau Thanh
Jurnal Ilmiah Perikanan dan Kelautan Vol. 17 No. 1 (2025): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.vi.56094

Abstract

Graphical Abstract   Highlight Research H2S-generating bacterium (Desulfovibrio) and Vibrio sp. Were idenfied and surveyed its charecteristics. Bacteriophages, ɸTT1H, ɸTT2H, and ɸA2223, could reduce Desulfovibrio vulgaris and Vibrio parahaemolyticus colony sizes and change the bacterial shapes. The bacteriophages could not reduce Desulfovibrio vulgaris and Vibrio parahaemolyticus colony quantity. The bacteriophages affected neither the nucleotide sequence ToxR genes of Vibrio parahaemolyticus nor the 16S rRNA of Desulfovibrio vulgaris.     Abstract Shrimp farming is an important industry in many countries. However, the leftover feed in shrimp ponds can create harmful compounds like H2S and provide a breeding ground for Vibrio bacteria, which causes acute hepatopancreatic necrosis disease. Antibiotics are commonly used to treat this disease, but they can lead to bacterial resistance and environmental pollution. Therefore, using bacteriophages as a treatment option is a more sustainable approach. The present study aimed to isolate H2S-generating bacteria and bacteriophages capable of inhibiting Vibrio sp. and Desulfovibrio sp. from shrimp pond water. Bacteria were identified through biochemical and molecular biology tests. The study utilized plaque and spread methods to observe changes in bacterial number and colony morphology. The study successfully isolated the bacterial strain Desulfovibrio vulgaris (12D) from shrimp ponds. Three potential bacteriophage strains, ɸTT1H, ɸTT2H, and ɸA2223, were identified that have the ability to inhibit Desulfovibrio vulgaris and V. parahaemolyticus bacteria by altering the size, shape, and number of colonies in treatments supplemented with phages. Although they do not alter the nucleotide sequence of these two bacterial strains, they still have a significant effect on controlling the bacterial population. Among the three potential bacteriophage lineages, ɸTT2H was able to inhibit Desulfovibrio vulgaris, reducing the colony quantity by 2.9%. This research allowed researchers to apply bacteriophages to shrimp culture.
Growth Performance, Antioxidants, Intestinal Microbial Composition and Histological Effect of Grass Carp (Ctenopharyngodon idella) through diets Enriched to Pomegranate Peel (Punica granatum) Extracts Fazaa, Hassan. A.; Sultan, Fatima A.M.; Sayed-Lafi, Raad M.
Jurnal Ilmiah Perikanan dan Kelautan Vol. 16 No. 2 (2024): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v16i2.56269

Abstract

Graphical Abstract Highlight Research PPE supported the growth indices like final weight, weight gain, SGR, and FCR. PPE affected the total aerobic bacteria or total lactic acid bacteria (LAB) count, but the enteric gram-negative bacteria count was significantly reduced in the experimental groups. Add PPE caused a reduced total fungi count in all treated fish. The histological examination showed enlargement of the villi, depth of the villi, and an increase in goblet cells for the treatments supplemented with PPE. Abstract Pomegranate is considered one of the medicinal herbs rich in antioxidants that can be used in aquaculture to support immunity and health. The objective of this investigation was to ascertain the impact of pomegranate peel (Punica granatum) extract (PPE) on growth performance, the intestinal bacteria count, the total number of fungi and the histological analysis of the grass carp. 105 fingerlings (11.04±0.22g) were distributed among 21 aquariums (60-L) in a completely randomised design (triplicated) and fed diets containing 0, 0.5, and 1% PPE for 70 days at a feeding rate of 3% body weight. A spectrophotometry assessment indicated for PPE that the total phenol content was 151.09 and 175.95 GAE/100 g, and the flavonoid content was 36.04 and 42.89 RE/100 g, respectively. The results of the present work revealed that growth indicators (final weight, weight gain, specific growth rate (SGR), and feed conversion ratio (FCR)) increased (P<0.05) in the PPE group in comparison to the control group. PPE had an impact on the total count of aerobic bacteria or lactic acid bacteria (LAB), but the experimental treatments dramatically decreased the amount of enteric gram-negative bacteria (P<0.05). The total fungi count showed a significant increase in all treated fish (P<0.05). Also, histological examination showed improvement and elongation of the villi, and an increase in goblet cells for the treatments supplemented with PPE. Therefore, it is recommended to use PPE (0.5%) as a diet additive for grass carp to improve their growth performance and health.

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