Bioflok merupakan teknologi budidaya yang menggunakan aliran oksigen dan pemanfaat mikroorganisme secara langsung. Kedalaman titik aerator menjadi salah satu faktor penentu dalam pembentukan flok dalam sistem bioflok. Kedalaman titik aerator yang tepat dapat mengurangi endapan yang berpotensi menjadi amonia pada kualitas air pemeliharaan. Tujuan penelitian ini untuk mengetahui kedalaman titik a…
Botryococcus braunii microalgae is a green single-cell plant that lives in freshwater and is known for its benefits and high production costs. One of the efforts to overcome production costs is using snakehead fish farming wastewater as a growing medium for B. braunii. Several studies using wastewater media have shown less efficient growth of B. braunii due to limited production costs, so it is…
Botryococcus braunii berpotensi dapat dimanfaatkan dalam industri pangan fungsional, pakan ternak, pigmen alami, kosmetik, farmasi, bahan pengental dan biofuel. Pemanenan mikroalga seringkali masih terkendala karena mikroalga bersifat uniseluler mikroskopis, sehingga proses pemisahan biomassa sulit dipisahkan dari media kulturnya. Metode biofloukasi menggunakan flokulan bakteri mampu membantu p…
Three spot gourami (Trichopodus trichopterus) in a native freshwater fish of Indonesia that has a potential to be developed as a aquaculture fish. This study aimed to determine the best stocking density for the survival and growth of T. trichopterus which is domesticated in gallon media. The research was conducted at the Batanghari Sembilan Community Hatchery, Indralaya, the Basic Fisheries Lab…
Nile tilapia (Oreochromis niloticus) is one of the important freshwater fish commodities in Indonesia that has various strains resulting from genetic selection. This study aimed to determine the morphological characteristics and species or strain composition of Nile tilapia that are cultivated or caught in Ranau Lake by utilizing Single Nucleotide Polymorphism (SNP) molecular markers through th…
The bonylip barb (Osteochilus vittatus, Valenciennes 1842) belongs to the Cyprinidae family. Studies on the morphometric differences between male and female O. vittatus fish from the Kelekar River have not been conducted. This study aims to determine the differences between male and female O. vittatus. This study uses a purposive sampling method. Samples were obtained from the Kelekar River, Pe…
The Sumatran featherback (Chitala hypselonotus) is one of the freshwater fish species belonging to the Notopteridae family. The public's demand for this fish has increased, leading to over-exploitation. In nature, the population of this species is declining. In efforts to prevent the extinction of this species, domestication studies should be conducted. This study aims to compare survival, grow…
There are three common commercial tilapia species Oreochomis niloticus, O. mossambicus, and O. aureus. These species have the opportunity for hybridization. Hybridization between tilapia species is widespread, one of which is red tilapia, is a crossbreed of four different species of the genus Oreochromis, namely O. mossambicus, O. niloticus, O. hornorum, and O. aureus. The purposes of this stud…
Botryococcus braunii is a microalga with significant potential for producing various bioactive compounds, including lipids, proteins, and polysaccharides. B. braunii is a single-celled microalga that is classified in the green algae group and is commonly found in lakes, ponds, brackish waters, and even the sea. The utilization of B. braunii microalgae has still been limited due to insufficient …
The kissing gourami fish is one of the local commodities with high market value and great potential for development as a cultivated fish. One of the applications of feed management is regulating the feeding frequency. The purpose of this study was to determine the optimal feeding frequency for kissing gourami fish fry that supports growth, survival rate, feed efficiency, and water quality in an…
The cultivation of snakehead fish (Channa striata) significant potential to be developed. Intensive cultivation of snakehead fish has challenges due to waste accumulation, may cause a decrease in water quality and elevated ammonia levels. The biofloc system is an alternative that can be implemented by utilizing microorganisms that can control water quality. This research aimed to determine the …
The process of preserving and storing sperm is called cryopreservation process. The success of the sperm cryopreservation process is determined by several factors including extender material, fisiological solution and freezing rates. One of the extender ingredients that can be used is honey. Honey contains antioxidants and has the ability to increase extracellular osmotic activity which helps p…
Air quality is an important aspect for rearing japanese ornamental carp fish. Suitable water quality can support survival rate and at the same time can influence the brightness of the japanese ornamental carp fish's body color. One effort that can be made to maintain optimal water quality is by implementing a recirculation system. The aim of this research was to determine the use of recirculati…
Keberhasilan penetasan telur ditentukan oleh faktor internal dan eksternal. Salah satu faktor eksternal adalah pH. Kegunaan pH pada penetasan telur adalah untuk merangsang enzim korionase yang dapat membuat korion menjadi lunak sehingga mempercepat waktu penetasan telur ikan sepat siam. Tujuan penelitian ini adalah untuk mengetahui nilai pH terbaik terhadap persentase dan lama waktu penetasan t…
The bronze featherback (Notopterus notopterus, Pallas 1769) is a species of freshwater fish native to South Sumatra, Indonesia. This species has a high market value. The local people of South Sumatra utilize this fish as food and ingredients for the culinary industry of pempek and crackers. In addition, it is also traded as an ornamental fish. Increased fishing for this fish in the wild has cau…
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…
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…
One of the disease in pangasius catfish is the pathogenic bacteria Aeromonas hydrophila which causes Motile Aeromonas septicemia (MAS) or known as red spot disease. This study aimed to determine the concentration for treatments of pangasius catfish (Pangasius sp.) infected with Aeromonas hydrophila bacteria using gambier (Uncaria gambier Roxb) sap solution. This research design used a completel…
Climbing perch (Anabas testudineus) cultured with different salinities in the biofloc system are thought to increase growth and survival. This study aimed to determine the effect of different salinities in the biofloc system on the growth and survival of the climbing perch and to determine the best salinity in the biofloc system for climbing perch cultivation. This research was carried out at t…
Sexual Dimorphism and Reproductive Biology of Bronze Featherback (Notopterus notopterus, Pallas 1769) from Kelekar River, Ogan Ilir, South Sumatra (Supervised by MUSLIM). Sexual dimorphism and reproductive biology are fundamental aspects of fish breeding studies. The aim of this study was to analyze the sexual dimorphism and reproductive biology aspects of N. notopterus. The samples were collec…
Climbing perch can be cultivated and able to respond of the artificial feed. The use of certain plant ingredients such as soybeans, corn, cassava, and bran as fish feed ingredients has the disadvantage of containing phytic acid. Phytic acid is difficult to digest by fish because of the lack of phytase in the gastrointestinal tract Therefore, it is necessary to add phytase to hydrolyze the phyti…