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Aquacultura Indonesiana

ai
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Published by Universitas Diponegoro

ISSN : 02160749 EISSN : 24776939 DOI : -

Core Subject : Science,

Earth & Planetary Sciences

Aquacultura Indonesiana (AI) is publishes original and peer-reviewed, English language papers concerned with culture of aquatic plants and animals. Subjects approriate for this journal would include, but not necessarily be limited to, nutrition, diseases, genetics and breeding, physiology, environmental quality, culture system enginering. husbandry practices, and economics and marketing. Fragmentary reports will not be considered for publication; coherent research should be published in a single paper. Preliminary studies, simple case reports, baseline data, parasite host or range extentions, and other such curiosities will not be considered for publication in the journal.

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Articles 6 Documents

Search results for , issue " Vol 18, No 2 (2017)" : 6 Documents clear

The Effect of Cinnamomum Leaves (Cinnamomum burmanni) Supplementation at Different Dosages on Growth and Survival Rate of Tilapia (Oreochromis niloticus) Rahmawati, Firma Fika; Ubaidillah, Mohammad Fikri
Aquacultura Indonesiana Vol 18, No 2 (2017)
Publisher : Indonesian Aquaculture Society (MAI)

This trial was aimed to evaluate the effect different dossage of cinnamomum leaves (Cinnamomum burmanni) supplementation on the growth performance and survival rate of tilapia (Oreochromis niloticus). A 30-day feeding trial was conducted in 12 aquaria with water system. Ten fish with average body weight of 100 g were reared in 60 x 35 x 30 cm3 of aquarium. Fish were randomly selected and stocked in each aquarium. The experiment was designed according to completely random design with three treatments and three replicates in each treatment. Experimental diets were prepared as dry pellet with Cinnamomum burmanni leaves of 0,25%, 0,5%,1,0% respectively, for 30 days. Fish were fed with experimental diets three times daily at satiation level. Result of the experiment showed that addition of 0,25%, 0,5%, 1,0% cinnamomum leaves (Cinnamomum burmanni) gave spesific growth rate (SGR) 2,55±0,34%a, 2.15±0.25%b and 2.21 ± 0.16%a respectively; feed conversion ratio (FCR) 1,29±0,24a, 1,68±0,07%b, and 1,50±0,18%a respectively and survival rate (SR) all treatment were 100± 0,00%. If compared to control (SGR 1.87 ± 0.22%a, FCR 1.83±0.15%a and SR 100± 0,00%a), it was concluded that cinnamomum leaves dietary gave a better result, especially the addition of 0,25% cinnamomum leaves gave a significant increase of growth and feed convertion of tilapia (Oreochromis niloticus).

Isolation and Identification of Jellyfish Alkaloid (Bougainvillia Sp) as Immunostimulant to Profile of Protein and Fagosite Activity of Tiger Grouper (Epinephelus Fuscoguttatus) Andayani, Sri; Fadjar, M.; Rahman, M. Farid
Aquacultura Indonesiana Vol 18, No 2 (2017)
Publisher : Indonesian Aquaculture Society (MAI)

The aim of this research was to know the profil protein and phagocyte activity of tiger grouper (Epinephelus fuscoguttatus). The method used in this research was experimental method with Completely Randomized Design (RAL) consisting of 5 treatment levels ie. K=control group without giving alkaloids and feeding pellets mixed with Jellyfish alkaloid Bougainvillia sp., which were treatment A = 0.5 g, B = 0.75 g, C= 1 g and D = 1.25 g alkaloid/kg of feed conducted in 2 replications. It was challenge tested with Vibrio harveyi of 107 cfu/mL for 5 days. Blood plasma for protein profile and phagocyte activity was performed after giving immunostimulant on day 28 and after being infected on day 34. The results of the study were: (1) alkaloid characteristic was N-1 Benzylalcohol, 4-Octyl Piperidine) and (2) protein profile after immunostimulant addition resulted in 9 bands and sample after infection showed 7 protein bands. The phagocyte activity increases 11.4% to 80.6%. It is suggested to use 1 g of alkaloid/kg of feed as immunostimulant.

Zonal Management: addressing sustainability issues in aquaculture Morales, Ernesto J; Immink, Anton; Pamudi, Pamudi; Thanh, Linh Nguyen; Han, H
Aquacultura Indonesiana Vol 18, No 2 (2017)
Publisher : Indonesian Aquaculture Society (MAI)

Aquaculture industries in general face several sustainability issues as the operations still rely on the quality of available water resources. Most aquaculture systems utilize common water resources in the production as well as discharging effluents from the farm; hence water is still considered as the major factor in spreading diseases in an area where aquaculture production is concentrated. Moreover, most input sources (e.g feeds, seeds and chemicals) in most cases are also similar (or shared) among aquaculture producers in the area. The most common recommended best management practices nowadays, including those from the national and commercial aquaculture standards, limit the requirements in addressing management issues that can be controlled within the farm only and that the outside environment (e.g. rivers and coastal areas) in most cases is overlooked. Producers are commonly advised to improve their individual practices in order to achieve higher production and limiting the occurrence of disease within the farm. The Sustainable Fisheries Partnership (SFP) as an organization that promotes sustainable practices in fisheries and farming, recognizing the cumulative impact of aquaculture on receiving water bodies where aquaculture production is pooled and intensified. Due to the minimal (if not lacking) regulations and coordination among producers on the use of water resources and effluent discharge, sourcing inputs, stocking events, reporting of disease outbreak and the use of drugs and chemicals, the fate of aquaculture as a whole is uncertain. This paper introduces the five pillars of zonal management where scientific information (carrying capacity and epidemiology) are critical as well as the laws and regulations in order to develop better management recommendations that would cover an aquaculture zone. Moreover, this paper provides updates on the different approaches applied in aquaculture zones in China, Indonesia and Thailand in pursuit to a more sustainable practice in aquaculture through zonal management. The approach uses a multi-stakeholder strategy where key players of the aquaculture industry play a critical role. The paper highlights that there is no strategy that would fit in all aquaculture zones rather would mainly depend on the status of the industry, hence the level of importance and the role that each stakeholder plays may not be the same in all zones.

Life Cycle of Marine Leech from Cultured Cantik Hybrid Grouper (Ephinephelus sp.) and Their Susceptibility Against Chemicals Murwantoko, Murwantoko; Condro, Sri Laksono; Isnansetyo, Alim; Zafran, Zafran
Aquacultura Indonesiana Vol 18, No 2 (2017)
Publisher : Indonesian Aquaculture Society (MAI)

Grouper is an important fish species due to high price both in domestic and international market. Several hybrid groupers have been released and can be accepted by farmers. A major production constraint in grouper culture is mortality due to disease. Leech is an ectoparasite for grouper which may cause significant loss, so that controlling this parasite is important as one of aquaculture management tools. The objectives of this study was to know the life cycle of leech on hybrid grouper and determine the efficacy of chemicals to kill leech under laboratory condition with diffferent dossage and immersing time. Life cycle was observed by reared an adult leech, counted the fecundity and observed the development of eggs until reach adult stages. The efficacy of formalin, albendazole, oxfendazole, levamisole, H2O2, CuSO4, ivermectin, vermizyn and freshwater on several concentration were assessed to kill adult leeches. All chemicals tested (except for freshwater), are dissolved in saline water salinity of 35 ppt at concentrations of 1000, 500, 250, 125 and 62.5 ppm. During 3 days of rearing, the adult leech could deposit of 11 eggs in average, with 600 µm – 800 µm in diameter. Twelve days were needed for the new egg inside the cocoon to hatch and develop into larvae under 24-25 °C at 34 ppt of salinity. It took another 9 days for the leeches larvae to grow reach mature stage. Five chemicals were able to kill leeches (Zeylanicobdela arugamensis), which were fresh water, formalin, levamisol, ivermectin, and CuSO4. Treatment by exposure leech to freshwater for 30 minutes shows effective to kill leech. Treatment with formalin with a dose of 250 ppm was able to kill leech after 1 hour immersion.

Utilization of Anadara granosa as a Liming Materials for Swamp Fish Ponds for Pangasius sp Culture Jubaedah, Dade; Marsi, Marsi; Rizki, Rani Ria
Aquacultura Indonesiana Vol 18, No 2 (2017)
Publisher : Indonesian Aquaculture Society (MAI)

Availability of water in swamp areas is abandon almost throughout the year, therefore these areas are potential for aquaculture development. However, the characteristics of swamp water is mainly acid water, therefore, it becomes mayor problems in swamp fish culture development. Liming of ponds is intended to increase pH value of soil and water of fish ponds. A. granosa shells is one of domestic waste containing of 61.16% CaO and 21.65% MgO, therefore it can be used as an alternative material for liming of fish ponds. The aims of this research was to evaluate the potency of lime derived from A. granosa shells to raise soil’s and water’s pH, and to evaluate its effect to survival and growth of Pangasius sp. The research was conducted and arranged based upon completely randomized design with five treatments and three replications. The treatments used consisted of different dosages of lime, namely : P1) 1 ton/ha; P2) 2 ton/ha; P3) 3 ton/ha; P4) 4 ton/ha and P5) 5 ton/ha of lime equivalent to CaO. The results showed that both the soil and water reach a neutral pH at a dosage of 2 ton/ha (P2), 3 ton/ha (P3), 4 ton/ha and 5 ton/ha. The dosage of 5 ton/ha (P5) was the best treatments among all treatments, with a highest survival rate (100%), absolute growth of fish lenght (9.35 cm) and weight (40.69 g), as well as feed efficiency (110.97%).

Effects of Dietary Probiotic Bacillus sp. D2.2 and Prebiotic Sweet Potato Extract on Growth Performance and Resistance to Vibrio harveyi in Pacific white shrimp, Litopenaeus vannamei Harpeni, Esti; Santoso, Limin; Supono, Supono; Wardiyanto, Wardiyanto; Widodo, Ari; Yolanda, Laksmita
Aquacultura Indonesiana Vol 18, No 2 (2017)
Publisher : Indonesian Aquaculture Society (MAI)

In this study, the effects of oral administration of probiotic Bacillus sp. D2.2 and prebiotic from sweet potato extract on growth performance and resistance against Vibrio harveyi in Pacific white shrimp (Litopenaeus vannamei) were investigated. During 32-day feeding experiment, 360 individuals of Pacific white shrimp (PL15) with initial weight of 0.02 ± 0.002 g were fed with basal diet as control (A); supplemented with 6% probiotic and 0% prebiotic (B); 6% probiotic and 2% prebiotic (C); 6% probiotic and 4% prebiotic (D). At the end of feeding trial, weight gain (WG), average daily growth (ADG), feed conversion ratio (FCR), and survival rate (SR) were assessed. WG, ADG and FCR of the shrimp were significantly better in treatment D than those of the shrimp in other treatments. Control and treatment D as the best feeding trial were selected for challenge test with infectious V. harveyi. Survival rate and mean time to death (MTD) of the shrimp fed the supplemented diet were not significantly different (P>0.05) to the control. Infection levels in shrimp were evaluated using morphological scoring methods. Infection levels of V. harveyi in shrimp fed the diet were lower compared to the control.

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