TheAsian redtail catfish (Hemibagrus nemurus) is a native Indonesian fish species. Demand for Asian redtail catfish is also increasing with the increasing demand for Asian redtail catfish. The price of Asian redtail catfish is also included in the expensive freshwater fish group with a price range of IDR 50,000-70,000/kg. This study aims to determine the effect of adding vitamin C and the age o…
This studywas conductedfrom November2024 to March 2025in theFish Nutrition Laboratory, Faculty of Fisheries and Marine Sciences, Universitas Riau. The objective of this research was to describe changes in digestive enzyme activity (protease, amylase, and lipase) and intestinal histology of Asian Redtail Catfish (Hemibagrus nemurus) fed diets containing fermented catfish offal flour using EM-4. …
This study aimed to evaluate the effect of adding weaver ant eggs (Oecophylla smaragdina) to commercial feed on the growth and survival of striped catfish (Hemibagrus nemurus) in a recirculating aquaculture system. The experiment was conducted from February to March 2025 at the Aquaculture Technology Laboratory, University of Riau, using a Completely Randomized Design with five treatments and t…
White shrimp (Litopenaeus vannamei) is a one of the leading commodities in the aquaculture sector in Indonesia. In its cultivation practices, there are various challenges, one of which is the suboptimal growth of shrimp due to inappropriate feed management. One approach that is starting to be widely applied to increase feed efficiency is the use of probiotics. This study aimed to evaluate the e…
Thegiant gourami (Osphronemus goramy) is a freshwater fish species of high economic value. however, its growth rate is relatively slow. to accelerate its growth performance requires high-quality feed that incorporates locally ingredients as a protein sources, such as maggot flour. Maggot (Hermetia illucens) meal. Maggot meal contains high crude protein (46.15%) but also has a relatively high cr…
This study aimed to determine the effect and obtain the optimal dosage of probiotic supplementation in feed on the growth and survival of nilem fish (Osteochilus vittatus) reared in a recirculating system. The research was conducted from June to August 2024 at the Aquaculture Technology Laboratory, Faculty of Fisheries and Marine Science, University of Riau, Pekanbaru. The experimental method u…
This study aims to analyze the effect of different probiotic doses on fish growth. This activity was carried out from January to March 2025 at the Hatchery of the Faculty of Fisheries and Marine Sciences, University of Riau, Riau Province. The method used in this study was a Completely Randomized Design (CRD) experimental method with four treatment levels and three replications. The treatments …
Snakehead fish (Channa striata) is a freshwater species of high economic value with great aquaculture potential. However, the use of plant-based feed ingredients is limited by the presence of antinutritional factors such as phytic acid, which can hinder fish growth. This study aimed to examine the effect of phytase enzyme supplementation in feed at different doses on the growth and survival rat…
Striped Catfish is a consumable fish with a good selling price and is a leading export commodity in Indonesia. Striped Catfish (Pangasius hypopthalmus) often experience slow growth due to several factors that affect metabolic efficiency and nutrient intake. This study aims to determine the optimal dose of rabal probiotics to improve the growth and survival of catfish using a recirculation syste…
Peat water is acidic and nutrient-poor, thus less supportive for aquatic organisms. Lemna sp. has potential as both a phytoremediator and natural feed, but its growth depends on nutrient availability. Catfish waste can be fermented into liquid organic fertilizer (POC), which is rich in nitrogen, phosphorus, and potassium. This study aimed to examine the effect and optimal dosage of catfish-wast…
Jungga lime (Citrus jambhiri L.)/Sundai acid/Limau kuit is a natural ingredient that contains alkaloids, saponins, steroids, tannins, flavonoids, ascorbic acid, essential oils, and limonene which are antibacterial. This research was conducted from August 2024 until April 2025 at the Laboratory of Fish Diseases and Parasites, Faculty of Fisheries and Marine,RiauUniversity. This research aimed to…
Striped Catfish maintenance media often experience water quality problems. Effortsto overcomewater quality problemscan usepapayaleaves(Carica papaya). Zeolite can be added as a water filter in the maintenance media. One of the water quality parameters that must be maintained is the physical parameters, temperature, turbidity, DHL, TDS, and TSS. This research was conducted from April 2024 to Feb…
Asian Redtail Catfish (Hemibagrus nemurus) is one of the local fish commodities that has the potential to be cultivated due to its high economic value. The use of feed in cultivation needs to be optimized in order to maximize production. One way to improve feed digestion is by adding probio-7 probiotics to the feed. This study aims to determine the optimal dosage of probio-7 probiotic supplemen…
Osphronomus gouramy is a widely cultivated fish because it has economic value in the community and is high in protein. The addition of turmeric powder and maggot flour can increase the nutritional value of gurami fish feed. The study was conducted from January to May 2025 at the Parasite and Fish Disease Laboratory, Faculty of Fisheries and Marine Sciences, University of Riau. The objective of …
Mangosteen peel (Garcinia mangostana) can be used to treat striped catfish infected with Aeromonas hydrophila. The extract of mangosteen peel contains antioxidant and antibacterial properties, such as tannins, alkaloids, flavonoids, and saponins, which can help fight infection. Study was conducted from December 2024 to March 2025 at the Laboratory of Fish Parasites and Diseases, University of R…
Mangosteen peel (Garcinia mangostana) contains antibacterial compounds such as tannins, alkaloids, flavonoids, and saponins that have the potential to treat bacteria-infected fish. This study was conducted from December 2024 to April 2025 at the Fish Parasite and Disease Laboratory, Faculty of Fisheries and Marine Sciences, University of Riau. The objective was to observe the gill and kidney ti…
Golden black molly is one type of attractive freshwater ornamental fish with a unique charm, as is common in ornamental fish, male golden black molly are preferred over female golden black molly because male golden black molly have a slender body shape, bright body color, and wide fins. Alternatives used to replace synthetic hormones are using natural ingredients such as coconut water. The purp…
This study aimed to identify the most effective Grotop booster dosage in stimulating the growth of gourami (Osphronemus goramy) cultivated using a recirculation system. The research was conducted from November 2024 to January 2025 at the Cultivation Technology Laboratory, Faculty of Fisheries and Marine Sciences, University of Riau. The experimental design used was a Completely Randomized Desig…
This research was conducted from May to July 2024 at the Faculty of Fisheries and Marine Sciences, Riau University, Pekanbaru. The purpose of this study was to determine the best dose of ketapang leaf powder (Terminalia catappa) on water chemistry parameters in the growth medium of baung fish fry (Hemibagrus nemurus). The research method used a one-factor Completely Randomized Design with 4 lev…
One of the economically valuable walking catfish species in Indonesia is Clarias batrachus. Due to high exploitation, this species may be at risk, making cultivation necessary. One of the key aspects of cultivation is the success of spawning. One of the applications of spawning is the use of hormones, and hCG is a hormone commonly used in fish spawning. This study aimed to determine the best do…