Pub Date : 2023-10-28DOI: 10.20473/joas.v8i2.48700
Adista Fadilah, None Boedi Setya Rahardja
The uncontrolled use of organochlorine insecticides in the agricultural sector has an impact on water pollution and threatens the lives of organisms in it. Pollutants can reduce water quality and interfere with the performance of fish organ systems, triggering stress and even death. The purpose of the study was to determine the sublethal effects of the organochlorine insecticide endosulfan on the level of oxygen consumption and histopathology of tilapia seed gills. The research was conducted at the Faculty of Fisheries and Marine Science, Universitas Airlangga, from March to May 2021. This study used a completely randomized design (CRD) experimental method. The treatment used was exposure to organochlorine endosulfan doses of 10%, 30%, 50%, and 70% with LC50-96 hours, which was observed for 28 days. Oxygen consumption data were analyzed by Analysis of Variance, followed by DMRT (Duncan's Multiple Range Test). While gill histopathology data were analyzed descriptively by comparing normal and abnormal gill histopathology. The results showed that the sublethal toxicity of the organochlorine insecticide endosulfan had a significant effect (p<0.05) on the level of oxygen consumption and had an impact on the histopathological condition of the tilapia seed gills. The types of gill damage found were oedema, hyperplasia, lamellar fusion, hemorrhage, and necrosis.
{"title":"Sublethal Toxicity Effects of the Organochlorine Insecticide Endosulfan on Oxygen Consumption Level and Gill Histopathology of Tilapia (Oreochromis Niloticus) Fry","authors":"Adista Fadilah, None Boedi Setya Rahardja","doi":"10.20473/joas.v8i2.48700","DOIUrl":"https://doi.org/10.20473/joas.v8i2.48700","url":null,"abstract":"The uncontrolled use of organochlorine insecticides in the agricultural sector has an impact on water pollution and threatens the lives of organisms in it. Pollutants can reduce water quality and interfere with the performance of fish organ systems, triggering stress and even death. The purpose of the study was to determine the sublethal effects of the organochlorine insecticide endosulfan on the level of oxygen consumption and histopathology of tilapia seed gills. The research was conducted at the Faculty of Fisheries and Marine Science, Universitas Airlangga, from March to May 2021. This study used a completely randomized design (CRD) experimental method. The treatment used was exposure to organochlorine endosulfan doses of 10%, 30%, 50%, and 70% with LC50-96 hours, which was observed for 28 days. Oxygen consumption data were analyzed by Analysis of Variance, followed by DMRT (Duncan's Multiple Range Test). While gill histopathology data were analyzed descriptively by comparing normal and abnormal gill histopathology. The results showed that the sublethal toxicity of the organochlorine insecticide endosulfan had a significant effect (p<0.05) on the level of oxygen consumption and had an impact on the histopathological condition of the tilapia seed gills. The types of gill damage found were oedema, hyperplasia, lamellar fusion, hemorrhage, and necrosis.","PeriodicalId":479721,"journal":{"name":"Journal of aquaculture science","volume":"142 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136233376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-10-28DOI: 10.20473/joas.v8i2.48710
Agustina bahriul Bangsil, None Juliana, None G. Ahmad
Betta sp. is an ornamental fish that is favoured by all ornamental fish hobbyists in Indonesia. Various strains of this fish have been produced by many farmers. However, almost all of the most popular strains are male. This study aims to determine the effect of different lengths of natural honey soaking on the masculinisation of hickey fish. The method used in this study was a completely randomised design with 4 treatments and 3 replicates. The treatment used in this study is the length of immersion (22 - 26 hours) of each treatment compared to the control (without immersion) which was then maintained for 60 days. The results of this study showed that immersion using natural honey on larvae in a 5 ml/L honey solution had no significant effect on masculinisation of hippopotamus. However, the best masculinisation was found with 22 hours of immersion at 63.6% and the lowest without immersion at 49.6%.
{"title":"Impact of Natural Honey on Betta sp. strain Plakat Candy Masculinization","authors":"Agustina bahriul Bangsil, None Juliana, None G. Ahmad","doi":"10.20473/joas.v8i2.48710","DOIUrl":"https://doi.org/10.20473/joas.v8i2.48710","url":null,"abstract":"Betta sp. is an ornamental fish that is favoured by all ornamental fish hobbyists in Indonesia. Various strains of this fish have been produced by many farmers. However, almost all of the most popular strains are male. This study aims to determine the effect of different lengths of natural honey soaking on the masculinisation of hickey fish. The method used in this study was a completely randomised design with 4 treatments and 3 replicates. The treatment used in this study is the length of immersion (22 - 26 hours) of each treatment compared to the control (without immersion) which was then maintained for 60 days. The results of this study showed that immersion using natural honey on larvae in a 5 ml/L honey solution had no significant effect on masculinisation of hippopotamus. However, the best masculinisation was found with 22 hours of immersion at 63.6% and the lowest without immersion at 49.6%.","PeriodicalId":479721,"journal":{"name":"Journal of aquaculture science","volume":"126 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136233533","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The cultivation of oysters has a significant historical background in the South Pacific region. The cultivation of pearls has been a significant source of livelihood for numerous island nations. Despite the significant cultural, dietary, and subsistence value of bivalve molluscs among Pacific Islanders, there has been limited advancement in the aquaculture of edible oysters in To enable a comprehensive assessment of the viability of cultivating edible oysters in Fiji, an estimation was conducted pertaining to the growth rate of mangrove oysters Magallana bilineata. A total of 105 oyster spat were cultured in Laucala Bay, Suva, Fiji, over the course of one year, from January 25th, 2021 to January 26th, 2022. The investigation documented exponential growth in oysters, with measurements of 87.3 ± 1.0 mm in length, 67.4 ± 0.7 mm in width, 49.8 ± 0.6 mm in depth, and 104.90 ± 22.6 g in weight. The findings of the study indicated the occurrence of positive isometric growth in relations to weight, length, width, and depth. The observed survival rate was 94%. The growth rates observed in oyster farming in Fiji exhibit similarities to those documented in other geographical locations, thereby providing a favourable indication for the progress of oyster aquaculture in the region.
{"title":"Growth rate of farmed Mangrove oysters (Magallana bilineata) at Laucala Bay, Suva, Fiji","authors":"Melody S. Vanukon Vanukon, Jasha Dehm, Timothy Pickering, Moape Kania, Ciro Rico, Chinthaka Hewavitharane","doi":"10.20473/joas.v8i2.48697","DOIUrl":"https://doi.org/10.20473/joas.v8i2.48697","url":null,"abstract":"The cultivation of oysters has a significant historical background in the South Pacific region. The cultivation of pearls has been a significant source of livelihood for numerous island nations. Despite the significant cultural, dietary, and subsistence value of bivalve molluscs among Pacific Islanders, there has been limited advancement in the aquaculture of edible oysters in To enable a comprehensive assessment of the viability of cultivating edible oysters in Fiji, an estimation was conducted pertaining to the growth rate of mangrove oysters Magallana bilineata. A total of 105 oyster spat were cultured in Laucala Bay, Suva, Fiji, over the course of one year, from January 25th, 2021 to January 26th, 2022. The investigation documented exponential growth in oysters, with measurements of 87.3 ± 1.0 mm in length, 67.4 ± 0.7 mm in width, 49.8 ± 0.6 mm in depth, and 104.90 ± 22.6 g in weight. The findings of the study indicated the occurrence of positive isometric growth in relations to weight, length, width, and depth. The observed survival rate was 94%. The growth rates observed in oyster farming in Fiji exhibit similarities to those documented in other geographical locations, thereby providing a favourable indication for the progress of oyster aquaculture in the region.","PeriodicalId":479721,"journal":{"name":"Journal of aquaculture science","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136233378","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Increasing the number of heavy metals in the aquatic environment results in the accumulation of contaminants in fish body tissue, making fish an ideal bio-indicator of environmental pollution. The spleen included in the hematopoietic tissue contains macrophages. Macrophages form aggregates that contain pigments referred to melanomacrophage centres (MMCs). This research aims to analyse the metric profiles of MMCs on the common carp (Cyprinus carpio) spleen as a non-specific cellular immune response against mercury chloride exposure. This study used a Completely Randomized Design method with four treatments at different concentrations of mercury chloride (HgCl2) of 0 mg.l-1 , 0.01 mg.l-1 , 0.05 mg.l-1 , and 0.1 mg.l-1 . Each treatment was replicated five times. Data on the number and size of MMCs were analyzed by Analysis of Variance (ANOVA) and continued by using Duncan's Multiple Range Test (DMRT) to determine the differences between treatments. The result showed that the concentration of mercury chloride in water affects the metrics profile of spleen MMCs of carp. The number and size of MMCs of carp spleen increased at the concentration of 0.01 mg.l-1 and 0.05 mg.l-1 but decreased at the level of 0.1 mg.l-1 . The results suggest that the profile of MMCs as a non-specific cellular immune response can function as bio-indicators of environmental pollution.
水体环境中重金属含量的增加导致污染物在鱼类身体组织中积累，使鱼类成为理想的环境污染生物指标。造血组织中的脾脏含有巨噬细胞。巨噬细胞形成含有色素的聚集体，称为黑色素巨噬细胞中心(MMCs)。本研究旨在分析鲤鱼(Cyprinus carpio)脾脏中MMCs作为对氯化汞暴露的非特异性细胞免疫反应的metric概况。本研究采用完全随机设计方法，采用不同浓度的氯化汞(HgCl2)处理4个处理，浓度为0 mg。l- 1,0.01 mg。L-1, 0.05 mg。L-1和0.1 mg。l - 1。每个治疗重复5次。采用方差分析(ANOVA)分析MMCs数量和大小的数据，并继续使用Duncan's Multiple Range Test (DMRT)来确定处理间的差异。结果表明，水中氯化汞浓度影响鲤鱼脾脏MMCs的指标分布。浓度为0.01 mg时，鲤鱼脾脏MMCs的数量和大小均有所增加。L-1和0.05 mg。但在0.1 mg水平时降低。l - 1。结果表明，MMCs作为一种非特异性细胞免疫反应，可以作为环境污染的生物指标。
{"title":"Metrics Profiles of Melanomacrophages Centre on the Spleen of Carp (Cyprinus carpio) Exposed to Mercury Chloride","authors":"None Tasyarrafa Naf’a Solakhiyah, None Wahju Tjahjaningsih, None Laksmi Sulmartiwi","doi":"10.20473/joas.v8i2.48704","DOIUrl":"https://doi.org/10.20473/joas.v8i2.48704","url":null,"abstract":"Increasing the number of heavy metals in the aquatic environment results in the accumulation of contaminants in fish body tissue, making fish an ideal bio-indicator of environmental pollution. The spleen included in the hematopoietic tissue contains macrophages. Macrophages form aggregates that contain pigments referred to melanomacrophage centres (MMCs). This research aims to analyse the metric profiles of MMCs on the common carp (Cyprinus carpio) spleen as a non-specific cellular immune response against mercury chloride exposure. This study used a Completely Randomized Design method with four treatments at different concentrations of mercury chloride (HgCl2) of 0 mg.l-1 , 0.01 mg.l-1 , 0.05 mg.l-1 , and 0.1 mg.l-1 . Each treatment was replicated five times. Data on the number and size of MMCs were analyzed by Analysis of Variance (ANOVA) and continued by using Duncan's Multiple Range Test (DMRT) to determine the differences between treatments. The result showed that the concentration of mercury chloride in water affects the metrics profile of spleen MMCs of carp. The number and size of MMCs of carp spleen increased at the concentration of 0.01 mg.l-1 and 0.05 mg.l-1 but decreased at the level of 0.1 mg.l-1 . The results suggest that the profile of MMCs as a non-specific cellular immune response can function as bio-indicators of environmental pollution.","PeriodicalId":479721,"journal":{"name":"Journal of aquaculture science","volume":"28 12","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136233375","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2023-10-28DOI: 10.20473/joas.v8i2.48705
None Viola Nur Maghribfa, None Putri Desi Wulan Sari, None Lailatul Lutfiyah
Fish transportation is a crucial step in maintaining fish quality during the shipping process from one region to another. The closed-wet system, which is commonly used for fish transportation, has several obstacles in the form of fish stress and mortality. Stressed fish generate primary, secondary, and tertiary stress responses. The purpose of this study is to assess the secondary stress response of tilapia during transportation by giving different doses of hydrogen peroxide. 3% hydrogen peroxide applied to water resulting in three different doses i.e. 0.3 ml.L-1 , 0.1 ml.L-1 , 0.08 ml.L-1 and without hydrogen peroxide used as control groups. Data was obtained by measuring blood glucose levels and the ventilation rate of tilapia. The results showed an alteration in blood glucose levels and ventilation rate of tilapia during transportation. Treatment with 0.1 ml.L-1 hydrogen peroxide gave the lowest glucose levels during 10 hours of transportation. Changes in ventilation rate of tilapia were observed in the treatment with 0.1 ml.L-1 of hydrogen peroxide which indicated miled stress conditions. It can be concluded that the optimal dose of hydrogen peroxide in the transportation process is 0.1 ml.L-1 of hydrogen peroxide.
在从一个地区到另一个地区的运输过程中，鱼品运输是保持鱼品质量的关键步骤。通常用于鱼类运输的闭湿系统在鱼类压力和死亡率方面存在几个障碍。应激鱼产生初级、次级和三级应激反应。本研究的目的是通过给予不同剂量的过氧化氢来评估罗非鱼在运输过程中的二次应激反应。在水中加入3%的过氧化氢，得到三种不同的剂量，即0.3 ml.L-1, 0.1 ml.L-1, 0.08 ml.L-1，不加入过氧化氢作为对照组。通过测量罗非鱼的血糖水平和通气率获得数据。结果表明，罗非鱼在运输过程中血糖水平和通气率发生了变化。用0.1 ml l -1过氧化氢处理后，在10小时的运输过程中葡萄糖水平最低。在0.1 ml.L-1过氧化氢处理下，观察罗非鱼通气率的变化，表明应激条件升高。由此得出，运输过程中双氧水的最佳剂量为0.1 ml.L-1。
{"title":"Secondary Stress Response of Tilapia (Oreochromis Niloticus) in Different Doses of Hydrogen Peroxide (H2O2) During the Transport Period","authors":"None Viola Nur Maghribfa, None Putri Desi Wulan Sari, None Lailatul Lutfiyah","doi":"10.20473/joas.v8i2.48705","DOIUrl":"https://doi.org/10.20473/joas.v8i2.48705","url":null,"abstract":"Fish transportation is a crucial step in maintaining fish quality during the shipping process from one region to another. The closed-wet system, which is commonly used for fish transportation, has several obstacles in the form of fish stress and mortality. Stressed fish generate primary, secondary, and tertiary stress responses. The purpose of this study is to assess the secondary stress response of tilapia during transportation by giving different doses of hydrogen peroxide. 3% hydrogen peroxide applied to water resulting in three different doses i.e. 0.3 ml.L-1 , 0.1 ml.L-1 , 0.08 ml.L-1 and without hydrogen peroxide used as control groups. Data was obtained by measuring blood glucose levels and the ventilation rate of tilapia. The results showed an alteration in blood glucose levels and ventilation rate of tilapia during transportation. Treatment with 0.1 ml.L-1 hydrogen peroxide gave the lowest glucose levels during 10 hours of transportation. Changes in ventilation rate of tilapia were observed in the treatment with 0.1 ml.L-1 of hydrogen peroxide which indicated miled stress conditions. It can be concluded that the optimal dose of hydrogen peroxide in the transportation process is 0.1 ml.L-1 of hydrogen peroxide.","PeriodicalId":479721,"journal":{"name":"Journal of aquaculture science","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136233531","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Tilapia is one of the fish that is widely cultivated in Indonesia. The obstacle to tilapia cultivation is high reproduction, which inhibits growth. An alternative to increase growth is by inhibiting gonad growth, so that feed energy is focused on somatic development. The aim of this research was to analyse the effect of velvet bean extract concentration on individual growth and gonad development of female tilapia fish and to determine the optimum concentration of velvet bean extract to increase growth and reduce reproductive activity in female tilapia fish. This study used a Completely Randomized Design (CRD) with the addition of various velvet bean extracts and compared with the control (without velvet bean extract). The use of velvet bean extract had a significant effect (p<0.05) on growth parameters such as length, weight, fecundity and egg diameter. The best treatment was found in treatment 3 (velvet bean extract 5 ml.kg-1 ) which resulted in growth in individual length of 16.1 cm, individual weight of 89.43 g, fecundity of 2206 and egg diameter of 1.11 mm. In addition, the dose in this treatment may reduce the reproductive activity of tilapia.
{"title":"Individual Growth And Gonad Development Of Female Tilapia (Oreochromis Sp.) With Addition Of Velvet Bean (Mucuna Pruriens) Seed Extract","authors":"Ahmad Shofy Mubarak, Kamiliya Zahrah Taher, Putri Eriza Riyanto, Akhmad Taufiq Mukti, Muhamad Amin, Syifania Hanifah Samara","doi":"10.20473/joas.v8i2.48698","DOIUrl":"https://doi.org/10.20473/joas.v8i2.48698","url":null,"abstract":"Tilapia is one of the fish that is widely cultivated in Indonesia. The obstacle to tilapia cultivation is high reproduction, which inhibits growth. An alternative to increase growth is by inhibiting gonad growth, so that feed energy is focused on somatic development. The aim of this research was to analyse the effect of velvet bean extract concentration on individual growth and gonad development of female tilapia fish and to determine the optimum concentration of velvet bean extract to increase growth and reduce reproductive activity in female tilapia fish. This study used a Completely Randomized Design (CRD) with the addition of various velvet bean extracts and compared with the control (without velvet bean extract). The use of velvet bean extract had a significant effect (p<0.05) on growth parameters such as length, weight, fecundity and egg diameter. The best treatment was found in treatment 3 (velvet bean extract 5 ml.kg-1 ) which resulted in growth in individual length of 16.1 cm, individual weight of 89.43 g, fecundity of 2206 and egg diameter of 1.11 mm. In addition, the dose in this treatment may reduce the reproductive activity of tilapia.","PeriodicalId":479721,"journal":{"name":"Journal of aquaculture science","volume":"6 4","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136233532","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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