e-Jurnal Rekayasa dan Teknologi Budidaya Perairan
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EFEKTIFITAS PENAMBAHAN ASAM AMINO PADA PAKAN UNTUK PERTUMBUHAN IKAN SIDAT, Anguilla bicolor (McCelland, 1844)
Full text linkEel is one of the fisheries commodity that have not been rearing widelyin Indonesia. Constraint that occured in rearing eel is slow growth. A way to accelerate eel growth isfeeding with enrichment by using an amino acids. An amino acids can be used directly by eel for cell growth and the formation of body tissue. An amino acid that is used from the stingrays are not utilized by people because it has no economic value to production activities. This research was aimed to study the growth rate of eel whichis fed with enrichment of an amino acids derived from stingray extract. The method in this research used completely randomized design (CRD) with 3 treatments and 3 replications. The measure of eel that usedare 26-28 cm, the average weight is 28 grams and an amino acids dosage that used are 0 ml, 0.5 ml and 1 ml. It use FR 3% which is given at night to support the characteristic of eel that is nocturnal (active at night). The analyze result from the parameters that have been observed, there is not a significant effect (P> 0.05) and the fed with enrichment by using an amino acids with the dosage used hasn't been able to be utilized as fish feed mixture to increase growth rate
PENAMBAHAN TEPUNG PUCUK Indigofera zollingeriana (Miquel, 1855) DALAM PAKAN UNTUK MENINGKATKAN KUALITAS WARNA IKAN SUMATRA Puntigrus tetrazone (Bleeker, 1855)
Full text linkTiger barb (Puntigrus tetrazona) is one of the ornamental freshwater fish which has unique body shape and color compare to another ornamental fish. Fish color quality is caused by chromatophore pigmen cells in the epidermis layer. Increasing of color quality in fish can be reach through the addition of indigofera leaf meal that contain carotenoid. The aim of this research to study the effect of addition meal of Indigoferazollingerianaleaf on colour quality and growth of tiger barb. The experimental design used completely randomized design with 5 treatments i.e 0%, 5%, 10%, 15%, 20% of I. zollingeriana meal added in fish feed. The results showed that the addition of I. zollingeriana meal could increase tiger barb color quality. The addition of 15% I. zollingeriana meal was the best treatmen
EFFECT OF DIETARY FERMENTED LAMTORO (Leucaena leucocephala) LEAVES FLOUR IN FEED ON DIGESTIBILITY AND HEMATOLOGICAL PARAMETERS OF CATFISH (Clarias sp.)
Full text linkLeucaena leaves is a potential ingredient for raw material feed of catfish. The aim of this study is to evaluate the effects of dietary fermented leucaena leaf on digestibility and hematological parameters of catfish. Four treatments and 3 replicates, namely: A (reference feed 70% + leucaena leaves meal 30%), B (reference feed 70%+fermented leucaena leaves meal with A. niger 30%), C (reference feed 70%+fermented leucaena leaves meal with R. oligosporus 30%), and feed D (reference feed 70%+fermented leucaena leaves meal with S. cerevisiae 30%) were used in this study. The juvenile catfish (initial weight was 5,45±0,16 g) are randomly distributed into eighteen tanks with 40 fish per aquarium. Each diet is randomly assigned to the triplicate aquarium and fed to fish three times a day up to satiation for 4 weeks. The results showed that fermented leucaena leaves treatments were significantly higher (P<0.05) than that control in final weight and feed conversion rasio. Nutrients digestibility and final weight were significantly highest (P<0.05) in fermented leucaena leaves with A. niger compared to the other treatment. The value of protein digestibility was significantly highest (P<0.05) in fermented leucaena leaves with A. niger (76,04%), followed by fermented leucaena leaves S. cerevisiae with (69,71%), fermented leucaena leaves meal with R. oligosporus (68,24%), and control (65,18). Leucaena leaves had no effect on physiological processes in catfish, as shown by hematological parameter values that were within the normal range
THE EFFECTS OF AMETHYST Datura metel (LINN, 1753) LEAVES EXTRACT AS AN ANESTHETIC AGENT ON HAEMATOLOGICAL CONDITION OF TILAPIA Oreochromis niloticus (LINN,1758) FRY
Full text linkAnesthetic method is an important component to support the activities of transporting live fish from one place to another for a long period of time. Cost efficiency and effectiveness of anesthetic ingredients that not cause residues in fish are factors to beconsidered as an anesthetic. Aim of this research is to study the effect of subletal concentration of amethyst leaf extract on the hematological conditions of tilapia fry after transporting on wet transportation systems. The research procedure was through the amethyst leaf extract toxicity test series (LC50-96 hours) to determine its sublethal concentration by 20% (0,297 ml/l), 30% (0,445 ml/l) and 40% (0,594 ml/l) of the LC50 value. The measured parameters are clinical symptoms, period of fainting and conscious recovery, hematological analysis, survival rate, and water quality. The results showed the concentration of amethyst leaf extract had an effect (P<0,05) on the period of fainting and the hematological component after transportation simulation. Results of water quality measurement showed the parameters of pH at 6 and ammonia 0,04 mg/l are not at the optimum value when fish transportation occur. The recommended concentration of amethyst leaf extract for use as an anesthetic agent is 0,445 ml/
PEMANFAATAN EKSTRAK DAUN RAMBUTAN (Nephelium lappaceum L.) PADA TRANSPORTASI LOBSTER AIR TAWAR (Procambarus clarkii) DENGAN SISTEM KERING
Full text linkImmotilization of live red swamp crayfish (Procambarus clarkii) in this research a used Nephelium lappaceum leaf extract as a natural anesthetic. The aims of this research were to determine the best concentration of the Nephelium lappaceum leaf extract as red swamp crayfish anesthesia and the optimum time of dry transportation system. This research method was an experimental laboratory with two replication with each concentration 0 ppm, 171 ppm, 294 ppm, 503 ppm, 863 ppm, 1479 ppm, 2535 ppm, 4345 ppm, and 7447 ppm. The study showed that the content of secondary metabolites from extracts of Nephelium lappaceum leaf were alkaloids, saponins, phenols hydroquinones, tannins, and flavonoids. The optimum concentration for anesthesia red swamp crayfish is 7447 ppm with passed out on 112 minutes and time conscious at 3 minutes. Dry transport time that produces the best survival rate was approximately 8 hours with the survival rate of 100%. The results of the measurement of the quality of the water before it extracts included, among others, the temperature of 29.2ºC, pH 5.9, DO 7.1 mg/L and TAN 0 mg/L. While the results of measurements of water quality after extracts included, among others, the temperature was 29ºC, pH 6.5, DO 6.8 mg/L, and TAN 0.026 mg/L
THE EFFECT OF rGH ADDITION ON ARTIFICIAL FEED ON HOVEN’S CARP GROWTH, Leptobarbus hoevenii (Bleker, 1851)
Full text linkHoven’s carp is one of the potential fish in Indonesia to be developed. But due to its slow growth, making people not cultivating it. This research aimed to study the effect of using rGH and determine the best dosage on growth of hoven’s carp. Hoven’s carp used were 70 - 90 mm in size and 5 - 6 g in weight 4 months old. Hoven’s carp used are 10 fish in each pond This study used a completely randomized design with 4 treatments and 3 replications. The treatment was A (without administration of rGH), B (administration of rGH 1 mg/kg of feed), C (administration of rGH 2 mg/kg of feed), and D (administration of rGH 3 mg/kg of feed). Parameters observed consisted of growth absolute length, the growth of absolute weight, SR, FCR, and protein retention. The results showed that the effect on hoven’s carp growth of rGH and best dose in this study is in treatment B (administration of rGH 2 mg/kg of feed
PENGARUH SUBTITUSI TEPUNG IKAN DENGAN TEPUNG CACING TANAH (Lumbricus sp.) TERHADAP PERTUMBUHAN BENUR UDANG WINDU (Penaeus monodon)
Full text linkAvailability of good-quality shrimp feed is an important factor of shrimp increased production. High protein feed can be generated by adding raw materials that contains high protein. One of the raw materials that contains high protein is earthworm meal (Lumbricus sp.). This research goal was to study the influence of the substitution of fish meal by earthworm feed with different proportions toward growth and survival rate of tiger shrimp larvae (Penaeus monodon). The experimental design used Completely Randomized Design (RAL) consists of five treatments with three replications: Feed test A (25% earthworm meal + 75% fish meal), feed test B (50% earthworm meal + 50% fish meal), feed test C (75% earthworms meal + 25% fish meal), feed test D (100% earthworms meal) and feed test E (commercial feed). Results showed that the tiger shrimp which given feed test E is the best result for tiger shrimp growth with 0.480 ± 0.076 grams/individual, while feed test B was the best result for tiger shrimp survival rate with 82 ± 3.46%., and on the feed test D was the best result for tiger shrimp feed conversion rate with 4.0 ± 0.17. Based on results of statistical tests showed that the substitution of fish meal with earthworm meal did not give significant effect on growth and survival rate of tiger shrimp
ANALISIS KESESUAIAN PERAIRAN UNTUK BUDIDAYA IKAN KERAPU BEBEK (Cromileptes altivelis) DI PERAIRAN PULAU TEGAL TELUK LAMPUNG
Full text linkTegal Island is part of Lampung Bay which has potential to be the location of aquaculture. One of kind fish that can be cultivated in these area is the humpback grouper (Cromileptes altivelis). Humpback grouper is the most popular fish species in local and foreign markets that have the highest selling price. The purpose of this study were to know the physical and chemical parameters in Tegal Island waters, to know the suitability of the waters for the humpback grouper cultivation in the waters of Tegal Island. The research was conducted in May 2017. The sampling location was 4 stations. The range of water quality values in Tegal island were water depth (15-25 m), dissolved oxygen (7 – 8 mg/l), brightness (5-10 m), salinity (30-34 ppt), temperature (28 – 32°C ), current velocity (20 – 50 m/s), pH (7,7 – 8,0), nitrate (0,9 – 3,2 mg/l) and phosphate (0,2 – 0,5 mg/l). The results showed that the waters of Tegal Island had appropriate water suitability level (St 3), corresponding marginally (St 1 and St 2) and unsuited (St 4) for the cultivation of humpback grouper
PENGARUH WARNA WADAH PEMELIHARAAN TERHADAP PENINGKATAN INTENSITAS WARNA IKAN GUPPY (Poecilia reticulata)
Full text linkGuppy is one of the most popular ornamental fish. In some ornamental fish, colour of aquarium can enhance the fish colour intensity. The research aims to determine the effect of different aquarium colour on Guppy colour intensity which maintenance on semi outdoor. The research was used completely Randomized Design (CRD) with 4 treatments and 3 replications (maintenance guppy in colourless aquarium, black coloured aquarium, yellow coloured aquarium, silver coloured aquarium). The Guppy fish used is 60 days old that kept on aquarium 30 cm x 20 cm x 30 cm and the water volume is 4 liters/aquarium. Research was conducted for 40 days, fish amount is 8 fish/aquarium. Colour intensity data were analyzed by using ANOVA and the significantly different results followed by a further test of Least Significant Difference (LSD). Observed parameters were the colour intensity, pH, and temperature. The results showed that maintenance Guppy fish under different colour of aquarium gave the effect on Guppy colour intensity, the best effecton colour intensity Guppy fish show at the colourless aquarium
PERFORMA BUDIDAYA UDANG VANAME (Litopenaeus vannamei) SEMI INTENSIF DI DESA PURWOREJO KECAMATAN PASIR SAKTI KABUPATEN LAMPUNG TIMUR
Full text linkPacific white shrimp (Litopenaeus vannamei) is new species were culture to replace tiger shrimp (Penaeus monodon) in Purworejo village, Pasir Sakti sub-district of East Lampung residence. This study was purposed to investigate culture performances of Pacific white shrimp in semi intensive system in two farmer groups. Eight ponds with ± 2100 m2/ ponds and density of 60 ind/m2 was used for this study. Results showed that Pacific white shrimp performances was different among two farmer groups. Sido Makmur group showed better performance compared to Lestari Gemilang with showed of ponds productivity 1337,8 kg and 1330,3 kg, respectively. FCR and SR among two groups also showed different, there were 1,88 to 2,39 and 86,95% to 63,3%, respectively. High mortality after WSSV infection was decreased pond productivity. Water quality parameters such as ammonia (0,029-0,031 ppm) and light density (<40 cm) were not suitable for shrimp culture impacted to pond productivity. WSSV infection and water quality parameters had corellation to pond performances