ABSTRACT This study aims to determine the effect of adding bromelain enzymes to feed on digestive enzyme activity and growth performance of asian redtail catfish (Hemibagrus nemurus) in a booster system with aquaponic recirculation. This research was conducted on June 28 – August 23, 2021 at the Aquaculture Technology Laboratory, Faculty of Fisheries and Marine Affairs, Riau University. …
Abstract Eichornia crassipes has root fibers that can repair water quality, for improving the concentration of chlorophyll-a, increasing growth and maintain the survival of local catfish. The purpose of this study was to obtain the best biomass of water hyacinth for the increasing concentration of chlorophyll-a on local catfish rearing in August – September 2020. This study used a one-fa…
Abstract Azolla microphylla on the surface of the water can function as a phytoremediation capable of providing nutrients so that it can increase the abundance of plankton. This research was carried out in August-September 2021 at the Experimental Pond and Laboratory of Fish Parasites and Diseases, Faculty of Fisheries and Marine, Riau University. The purpose of this study was to determine…
ABSTRACT The aim of this research was to determine the effect of oodev on gonad maturation of Baung (Hemibagrus nemurus). This research was conducted from February 2020 – February 2021 at Fish Hatchery and Breeding Laboratory, Faculty of Fisheries and Marine Faculty University of Riau. Data analyzed descriptively, the method used is an experimental with four treatments anf three replicat…
ABSTRACT Peat water has unfavorable physical properties for fishery activities such as high TDS, TSS and turbidity values so that the utilization and management of peatlands is still less than optimal. Efforts to improve the physical parameters of peat water can be done by utilizing the aquatic plant Azolla microphylla as a biofilter that can absorb organic matter. This research was carrie…
ABSTRAK Peat water has potential for the development of fishery commodities and a strategy is needed through a biological approach by utilizing the Siamese catfish which can adapt to peat water and Azolla microphylla which can improve the quality of peat water. This research was carried out in August-September 2021 at the Experimental Pool and Marine Chemistry Laboratory, Faculty of Fisher…
ABSTRACT Hemibagrus nemurus is one type of freshwater fish that is the mainstay of fisheries commodities in Riau Province. The presence of an anti-nutritional factor called phytic acid in feed causes less optimal utilization of feed protein. One effort to overcome this is by adding phytase enzymes in the feed so that it is expected to inhibit antinutritional substances and increase feed pr…
ABSTRACT This research was conducted from October to November at the Gogok Village, Tebing Tinggi Barat District, Meranti Islands Regency. The purpose of this study was to determine the optimal dose of feed containing the hormone thyroxine (T4) on the growth of tilapia reared in saline water. This study used a completely randomized design (CRD) with four treatments where each treatment was…
ABSTRACT The purpose of this study was to determine the effect of medium thickness and fermented coconut dregs on biomass of silkworms (Tubifex sp.). This research was conducted in January - March 2021 at the Laboratory of Fish Hatchery and Breeding, Faculty of Fisheries and Marine Affairs, University of Riau. The method used in this study was two-factors Completely Randomized Design (CRD…
ABSTRACT Gourami is a freshwater fish product that has a higheconomic. But its growth is very slow so that it requires affordable, economical feed and alternative raw materials that can be used optimally, one of which is a cassava leaf. The research was held from November 2020 – Januari 2021. The purpose of this study to get the amount of cassava leaf flour (M. utilisima Pohl) fermented …
ABSTRACT The study aims to determine the effect of different water levels on the growth and survival rate of asian redtail catfish larvae reared for 40 days. This research was conducted in 8 July - 17 August 2021 at the Fish Hatchery and Breeding Laboratory, majoring in Aquaculture, Faculty of Fisheries and Marine, Riau University. The method used is experimental method using a completely …
ABSTRACT Papaya leaves contain tannins, flavonoids, tocophenols, carpain alkaloids, and papain enzymes which have proteolytic, antimicrobial activity and can be used as immunomodulators that can strengthen the immune system. The purpose of this research was to obtain the best dose of adding papaya leaves fermented solution to feed to improve the health of Pangasianodon hypophthalmus fish. …
Abstract This research was conducted from January to March 2021 at Fish Hatchery and Breeding Laboratory, Faculty of Fisheries and Marine, University of Riau. The aim of this research is to know the effect of salinity adaptation techniques on the survival rate and growth of Tambaqui (Colossoma macropomum) and to know the optimum salinity scale that can be tolerated by Tambaqui if culture i…
ABSTRACT This research was carried out from March to May 2021 at the Hatchery of the Faculty of Marine Fisheries, Riau University. This study aims to determine the growth of carp (Osphronemus gouramy) fry given POC (Liquid Organic Fertilizer) with different doses in an aquaponic system . This study used a 100 liter bucket container as many as 15 units. The doses of POC (Liquid Organic Fert…
ABSTRACT This research was conducted on July - September 2021, at Fish Hatchery and Breeding Laboratory of Fishery and Marine Faculty of Riau University. The research aim is to determine the effect of Recombinant Growth Hormone (rGH) with optimal doses based on immersion duration and different age on growth and survival rate of freshwater pomfret fish larvae. The method used was Completely…
ABSTRACT This research was conducted for 56 days which aims to determine the effect of the use of fermented tofu dregs flour A. niger in feed on feed efficiency and growth of nilem fish fry. This study used a completely randomized design (CRD) with 5 levels of treatment with 3 replications. The test feed used was artificial feed with a protein content of 30% and containing fermented tofu d…
ABSTRACT Water hyacinth (Eichhornia crassipes) can be used as fish feed and has a fairly high protein content ranging from 9.8-12.0%. This study aims to determine the effect of using fermented water hyacinth (Eichhornia crassipes) leaf flour in feed on the growth and feed efficiency of nilem fish (Osteochilus hasselti). This research was conducted for 56 days at the fish nutrition laborato…
ABSTRACT Papaya leaves (Carica papaya L.) contain tannins, alkaloids, flavonoids, terpenoids, saponins, and karpain alkaloids which are antiseptic, anti-inflammatory, antifungal, antibacterial and can be used as immunomodulators that can strengthen the immune system. This study aimed to obtain the best dose of fermented papaya leaf (Carica papaya L.) solution in increasing the non-specific…
ABSTRACK The objective of study was to determine the effect of addition of probiotics with different dosage in maintenance media on the growth of pangasius catfish (Pangasius hypohpthalmus) with aquaponic recirculation system. This research was conducted from November – December 2020 at the Faculty of Fisheries and Marine, University of Riau. The container used is a bucket with a diamete…
ABSTRACT The purpose of this study was to determine the best dose of phytase enzyme in commercial feed to increase the growth of nilem fish (Osteochilus hasselti) with a recirculation system. This study used an experimental method with a one-factor Completely Randomized Design (CRD) with five treatment levels and three replications. The treatments were: P0 (without phytase enzyme), P1 (ph…