The climbing perch (Anabas testudineus) has a unique organ that is like a labyrinth and allows the fish to survive at low oxygen levels. During the rearing in controlled containers, leftover feed, and metabolic products can cause a decrease in water quality, affecting fish survival and growth. Phytoremediation is a solution to improve the water quality in fish culture media. This research aimed…
Male guppies (Poecilia reticulata) are more attractive and valuable. Monosex production of male fish mostly uses the 17α-methyltestosterone. This hormone is expensive and difficult to obtain. Thus, it is necessary to explore natural ingredients as an alternative replacement. Purwoceng plant (Pimpinella alpina) has the potential to be used. The purpose of this study was to determine the best im…
The aims of this research was to determine the survival rate and growth of nile tilapia fry during the rearing with different stocking density in tidal land drainage and rainfed pond in Bangunsari’s village, district of Tanjung Lago, Banyuasin Regency, South Sumatera. The research was conducted on 26* December 2012 until 15* February 2013. The design was randomized completely block design wit…
Koi (Cyprinus carpio) is one of popular types of ornamental fish with high commercial value. One of the innovations that can be made to increase the growth and color brightness of koi fish is through the manipulation of light duration (photoperiod). This study aimed to determine the best photoperiod for the growth and color brightness of koi fish. This study used a Completely Randomized Design …
Ikan selincah (Belontia hasselti) merupakan ikan musiman yang berasal dari rawa dan tersebar di beberapa wilayah salah satunya di Sumatera Selatan. Ikan selincah untuk konsumsi masih mengandalkan hasil tangkapan dan dikhawatirkan terjadi penurunan populasi sehingga perlu diupayakan produksi pada lingkungan terkontrol dengan cara pembenihan. Salah satu bagian penting dalam menunjang kegiatan bud…
Astaxanthin is a xantophyll group compound within the carotenoid family which functions as an antioxidant, and it can increase the digestion and absorption nutrients on fish. Supplementation astaxanthin on commercial feed is expected to stimulate the growth and increase efficiency of feed utilization by fish. This research aimed to determine the best dose of astaxanthin supplementation on comme…
The bronze featherback (Notopterus notopterus) is a wild species that has not been domesticated. Wild species reared in aquaculture tanks tend to experience disturbances in their reproductive systems. The purpose of this study was to determine changes in the development of N. notopterus ovaries after being injected with human chorionic gonadotropin (hCG). This study was a laboratory experiment.…
This study aims to determine the water quality of the Ogan Kertapati tributary in Palembang City through the analysis of macrobenthos diversity index and its contribution to Biology lessons at the high school level. This study also shows the water pollution index through physical and chemical parameter indicators and shows the level of macrobenthos diversity. Sampling was carried out using the …
Feed is a main component to support fish growth. Formulated feed is made up of various ingredients, both animal and plant-based. The plant-based ingredient commonly used as a source of protein in fish feed formulation is soybean meal. However, soybean meal is still imported from abroad. Therefore, there is a need for alternative plant-based ingredients that can be used as a protein source to su…
One of the obstacles in snakehead fish farming is the availability of juvenile. The method that can be applied to increase juvenile production, is through hormonal stimulation such as thyroxine hormone. The purpose of this study was to determine the effect of thyroxine hormone for the duration of hatching, the percentage of egg hatching, growth, the percentage of abnormalities, and survival. Th…
Ikan jalai termasuk dalam golongan ikan hias air tawar yang berkerabatan dengan ikan gabus. Dalam perdagangan ikan, transportasi ikan dapat menyebabkan ikan mengalami stres dan bahkan terjadi kematian. Kondisi air media dan lama waktu transportasi berpengaruh pada kelangsungan hidup ikan. Penambahan bahan tertentu dalam air media dan lama waktu transportasi yang tepat dapat meminimalisir kemati…
Aeromonas hydrophila bacteria cause Motile Aeromonas Septicemia (MAS) disease in catfish. The use of phytopharmaceuticals is carried out as an alternative for disease control in catfish. One of the materials that be used is the cinnamon leaf plant. This study aimed to test the effectiveness of the use of cinnamon leaf extract through feed as a control of Motile Aeromonas Septicemia (MAS) diseas…
Permasalahan dalam pembenihan ikan betutu yaitu rendahnya persentase penetasan telur yang disebabkan karena terhambatnya perkembangan embrio dan kerja enzim penetasan (chorionase). pH berperan dalam proses penetasan telur ikan untuk merangsang keluarnya enzim chorionase. Tujuan penelitian ini adalah untuk menentukan nilai pH yang terbaik terhadap lama waktu penetasan telur, persentase penetasan…
Remote sensing technology for depth data extraction, known as Satellite Derived Bathymetry (SDB), can support and facilitate bathymetric data collection, particularly in shallow waters, by utilizing satellite image data to obtain water depth information. This research aims to analyze the comparison between Landsat 8 and Sentinel-2A images in acquiring shallow water depth information in the wate…
The community and industrial activities such as mining, agriculture, plantations, and natural activities that directly or indirectly enter the waters of the Musi River can result in river pollution, such as the inclusion of waste, including ammonia. The existence of ammonia that exceeds the specified quality standard value can disrupt the ecosystem in the waters and the living creatures around …
Mud crabs are an important component of fisheries in coastal areas. Crab ranks third after shrimp and lobster because of the delicacy of seafood and also the fishery value it supports. The world's crab fisheries are thriving and there is a wide scope for crab meat not only for the delicacy of the meat but also for its nutritional richness. Antioxidants are included in certain substances that ca…
Nutrients are very important for the growth of an organism in the water. The entry of waste or waste products can reduce the quality of waters leading to an increase in nutrient concentrations in the water column. This study aims to determine the condition of nutrients in water and sediment and analyze the condition of Payung Island Waters. Sampling was carried out in September 2022 at 5 resear…
Gastropods are food derived from waters that contain many antioxidant components, such as Nerita balteata and Cassidula aurisfelis. The purpose of this study was to determine the comparison of antioxidant activity with DPPH method and phytochemical content and analyze active compounds with GC-MS. This research was conducted from January 2023 to April 2023. The results showed that the extracts o…
Research on the design characteristics of small scale fisheries vessels was conducted in Sungsang Village, Banyuasin Regency, South Sumatra Province, December 2022 – January 2023. The research method used was the survey method, taking direct measurements of the main dimensions of the dominant fishing vessels namely motor boats (pompong) and outboard motor boats (Jol). Processing of ship desig…
Pertambangan batubara di Indonesia banyak dilakukan secara terbuka(surface mining). Penambangan batubara yang dilakukan secara terbuka akanmelepaskan asam sulfat dan mendorong terjadinya oksidasi mineral sulfida.Proses ini selanjutnya akan menghasilkan limbah berupa air asam tambang (AAT) dan mengakibatkan tingginya akumulasi logam berat pada tanah dan air. Air asamtambang (AAT) memiliki nilai …
The polyculture system is an aquaculture system that combines two or more types of fish in one rearing container. Fish rearing can also be integrated with plants or vegetables, known as aquaponics systems. Determining the stocking density and selected fish to be kept in polyculture is essential. This study aims to determine the best stocking density of climbing perch cultivated in polyculture w…
Catfish (Clarias gariepinus) is a type of freshwater fish superior in increasing fish production and consumption of fishery commodities. The obstacle in carrying out fish cultivation is the presence of diseases in fish, such as Motile Aeromonas Septicemia (MAS), caused by the bacterium Aeromonas hydrophila. The experiment used a completely randomized design (CRD) consisting of controls and thre…
One of the obstacles in fish aquaculture activities is the being of disease attacks. One of the commonly diseases that attack fresh water is motile aeromonas septicemia caused by Aeromonas hydrophila. Nile tilapia is one of the types of freshwater fish that is most favoured by the community. Efforts to prevent Aeromonas hydrophila attacks by utilizing natural ingredients such as Peperomia pellu…
One of the obstacles in the production process is the high cost of feed which ranges from 60-70% of the total production costs. The main ingredient of vegetable protein sources in fish feed formulations is soybean meal. However, the availability of soybean meal is still dependent on imports, so that efforts are needed to develop feed made from alternative raw materials that are easily available…
Malay combtail (Belontia hasselti, Cuvier 1831) is one of the freshwater fish species inhabiting the floodplain. The species has the prospect of becoming an aquaculture commodity as an ornamental fish. This study aimed to analyze the sexual dimorphism, reproductive biology, and growth pattern of B. hasselti. Sample collection was conducted in the Kelekar Floodplain area, Ogan Ilir Regency. Fish…
Cadmium is the most common heavy metal found in waters after lead (Pb). It can impact the function of fish organs and cause tissue damage in the gills, liver, kidneys, pancreas, and meat, finally impacting the health of the human body that consumes it. The climbing perch is a susceptible fish that may be exposed to cadmium contamination (Cd). This study aimed to perform an acute toxicity test a…
Gouramy (Osphronemus gouramy Lac.) is a type of freshwater fish native to Indonesia which is quite widely cultivated and has high production rates in South Sumatra. However, the growth and feed efficiency of gouramy are still relatively low it needs to be increased by providing optimal feed and cultivation systems. Feeding combination of commercial feed and azolla in the biofloc system is tough…
Fry is a phase that is very vulnerable to death. One of the things that determine it the most is the period of feeding with the appropriate type of feed so that it can support the growth and survival rate of fry java combtail. This study was designed to determine the best period of feeding and the type of feed for the growth and survival of fry java combtail. This research would be carried out …
Catfish production continues to increase, so it is necessary to make efforts to maintain this achievement, one of which is the development of intensive cultivation technology with biofloc system. The biofloc system can save feed, where the problem faced by fish farmers is that they still rely on commercial feeds which are relatively expensive. Efforts that can be made to save on feed costs are …
Feed is an important component in aquaculture. The high price of feed is one of the obstacles in conducting fish farming. One way to reduce feed costs is by using artificial feed, but the price of soybeans as a source of protein in artificial feed formulations is relatively high because they are imported raw materials. Therefore, alternative feed ingredients are needed to substitute soybeans su…