Juliaan Ch. Watung
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Penambahan madu dalam pengenceran sperma terhadap motilitas spermatozoa, fertilisasi dan daya tetas telur ikan Patin Siam, Pangasius hipophthalmus Marthin, Lutfi; Watung, Juliaan Ch.; Kalesaran, Ockstan J.; Ginting, Elvi L.; Sinjal, Hengky J.; Salindeho, Indra R.N.
e-Journal BUDIDAYA PERAIRAN Vol 6, No 2 (2018)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/bdp.6.2.2018.20625

Abstract

This research aimed to determine the optimal doses of honey addition on the sperm dilution to optimize spermatozoa motility, fertilization and hatchability of Patin Siam  eggs (Pangasius hypophthalmus).  The experimental design used was Complete Random Design (RAL).  Diluent solution consisted of a physiological NaCl 0.9% and honey.  Treatment doses of honey in aqueous diluent sperm tested as treatments were A (0 mL), B (0.2 mL), C (0.4 mL) and D (0.6 mL), each with three replications.  Observations made included spermatozoa motility, fertilization and eggs hatchability.  The research results showed that the addition of honey had a significant influence on motility,  fertilization, and eggs hatchability. This study concluded that the addition of honey in sperm diluent solution with a dose of 0.6 mL of honey in 99.4 mL of NaCl could increase the spermatozoa motility and  fertilization of Patin siam. Keywords:  honey, motility, fertilization, hatchability,  Pangasius hipophthalmus
Administrasi oral imunostimulan ragi roti (Saccharomyces cerevisiae) untuk meningkatkan pertumbuhan ikan mas (Cyprinus Carpio L.) Razak, Atiek P.; Kreckhoff, Reni L.; Watung, Juliaan Ch.
e-Journal BUDIDAYA PERAIRAN Vol 5, No 2 (2017)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/bdp.5.2.2017.16637

Abstract

The research aimed to evaluate the effect of baker’s yeast as immunostimulant on the growth of carp.  Fish was obtained from Board of Freshwater Aquaculture at Tatelu, North Sulawesi Province.  Before running the experiment, the fish was acclimatized for one week in five concrete tanks measuring 2x1x1 m3 each. During acclimatization, fish was fed commercial pellet at 5%/body weight/day, twice a day.  After acclimatizationm, the fish was distributed in 15 aquaria with a density of 25 individuals per aquarium.  The research used Complete Randomized Design with five treatments namely 0, 5, 10, 15, and 20 g yeast/kg of pellet, each with three replications.  Fish was fed with treatment pellets for three weeks consecutively at a dose of 5%/body weight/day, twice a day at 08.00 am and 16.00 pm. Growth of fish was measured at the end of feeding period.  The result showed that the addition of baker’s yeast cells into fish feed significantly influenced fish growth. The best growth was achieved in fish fed pellet supplemented with 5 g yeast/kg of pellet.Keywords : Cyprinus carpio, Saccharomyces cerevisiae, immunostimulant, growth
Potensi budidaya ikan di Waduk Embung Klamalu Kabupaten Sorong Provinsi Papua Barat: Kajian kualitas fisika kimia air Frasawi, Agustina; Rompas, Robert J; Watung, Juliaan Ch.
e-Journal BUDIDAYA PERAIRAN Vol 1, No 3 (2013)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/bdp.1.3.2013.2719

Abstract

The objective of this research was to measure and analyze the water quality parameters including temperature, brightness, pH, dissolved oxygen, total alkalinity, carbon dioxide and BOD in reservoir Embung Klamalu Sorong regency, and to know the factors that affected the water quality of Embung Klamalu. Measurement of water quality parameters was done in situ for temperature, brightness, pH and in laboratory for dissolved oxygen, total alkalinity, carbon dioxide, and BOD. The results showed the temperature at the five observation stations ranged from 26.2 to 29.8 0C, brightness 38 to 46 cm, pH 7.20 to 8.48 mg /L, dissolved oxygen from 7.20 to 8.48 mg / L, alkalinity 100 to 150 mg /L, carbon dioxide from 25.90 to 28.95 mg / L, BOD from 0.20 to 0.38. Refers to the standards of water quality according to the PP. 82, 2001, it could be concluded that water physical-chemical qualities in fish farming locations in the Village Klamalu were still in good condition. Keywords: Water physical-chemical quality, aquaculture, waduk Embung Klamalu
Maskulinisasi ikan nila (Oreochromis niloticus) melalui pemberian propolis yang dicampur dalam pakan buatan Tatalede, Putri A.; Sinjal, Hengky J.; Watung, Juliaan Ch.; Salindeho, Indra R.N.; Kalesaran, Ockstan J.
e-Journal BUDIDAYA PERAIRAN Vol 7, No 2 (2019)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/bdp.7.2.2019.23922

Abstract

This study was conducted to determine the optimal dose of propolis for male sex reversal in tilapia larvae through mixing in artificial feed. This research was carried out at the Aquaculture Technology Laboratory, Faculty of Fisheries and Marine Sciences, Sam Ratulangi University. The experimental fish was taken from Board of Freshwater Fisheries Aquaculture at Tatelu. As many as 4,000 individuals fish aging 5 days were acclimatized for 2 days in an aquarium measuring 60 x 40 x 40 cm. After the acclimatization process was terminated, the larvae density was set to 100 per aquarium. Furthermore, the fish were fed with treatment feed previously added with propolis with a dose of A (0 mL/kg of feed) as a control, B (0.9 mL/kg of feed), C (1.8 mL/kg of feed), D (2.7 mL/kg of feed) and t E (3.6 mL/kg of feed). Treatment feed was given to larvae twice a day for 28 days. The results showed that masculinization of tilapia using propolis mixed into artificial feed had a very significant effect on the percentage of male tilapia and survival. In this study treatment C (1.8 mL/kg of feed) and treatment D (2.7 mL/kg of feed) resulted in the highest percentage of male tilapia which was 81.33% and 88.00% respectively. This shows that the administration at 1.8 mL/kg in artificial feed has a very real and effective effect on masculinization.Keywords: Oreochromis niloticus, masculinization, sex reversal, propolis
The effect of immersion in different doses of methyl testosteron hormone on survival and growth of nile tilapia larvae, Oreochromis niloticus Matheos, Refli; Watung, Juliaan Ch.; Kalesaran, Ockstan
e-Journal BUDIDAYA PERAIRAN Vol 1, No 3 (2013)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/bdp.1.3.2013.2734

Abstract

This study aimed to determine the effect of methyl testosterone hormone for immersion of tilapia larvae for 8 hours on survival rate and growth of tilapia larvae (Oreochromis niloticus). Test animals used were as many as 240 larvae of tilapia, with methyl testosterone hormone treatment as much as A = 0 mg / l, B = 1,5 mg / l, C = 2,5 mg / l, and D = 3,5 mg /. Survival rate of tilapia larvae live on the highest dose of 1.5 mg / l which is 93.33% (A) followed by 83.3% (C), 80% (A), 75% (D). Highest absolute growth of larvae at the 2,34 cm (D) followed at 2,23 cm (C), 2,21 cm (B), 2,13 cm (A). The results showed that the differences in the dose of methyl testosterone did not give significantly different effect on survival rate of larvae and absolute growth. Keywords: immersion, methyl testosterone hormone, Oreochromis niloticus, survival
Konsentrasi Hambatan Minimum ekstrak Portulaca grandiflora terhadap penyakit Motile Aeromonad Septicaemia Lauluw, Dafid; Kreckhoff, Reni L.; Longdong, Sammy N.J.; Mantiri, Desy M.; Watung, Juliaan Ch.; Tumbol, Reiny A.
e-Journal BUDIDAYA PERAIRAN Vol 6, No 2 (2018)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/bdp.6.2.2018.20659

Abstract

The objective of this study was to determine the minimum concentration of extract in inhibiting motile motile aeromonad septicaemia. The material used was the stems and leaves of the plant P. grandiflora as much as 10 g. The crushed simplicia was then macerated with aquades with a ratio of 1:10,  then filtered with filter paper and, put in an Erlenmeyer, and evaporated in an incubator at temperature of 30°C. The sensitivity test was performed by placing a paper disc containing extract on the agar medium that had been scratched with bacterial colonies. Clear zone formed around the paper disc was compared with standard classification table for clarifying the inhibition level.  The results showed that stem and leaf extract had inhibition zone against Aeromonas hydrophila bacteria that caused motile aeromonad septicaemia. The best result was obtain at concentration of extract 3.25 mg / L) with an average diameter of 22.67 mm and for leaf extract had a moderate to strong zone for all treatments. These proved that stem and leaf extract of P. grandiflora plant had antibacterial activity and can be used as control of MAS disease caused by A. hydrophila bacteria. Keywords:  Portulaca grandiflora plant, motile aeromonad septicemia,  minimum       inbibition concentration
Efisiensi usaha akuakultur sistem mina padi kolam dalam di Kabupaten Minahasa Tenggara Toar, Debby; Mudeng, Joppy D.; Watung, Juliaan Ch.; Longdong, Sammy N. J.; Kusen, Diane J.; Wantasen, Adnan S.
e-Journal BUDIDAYA PERAIRAN Vol 9, No 2 (2021)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/bdp.9.2.2021.34845

Abstract

This study aimed to evaluate the efficiency of the aquaculture system of the deep water rice field aquaculture system in Southeast Minahasa Regency. The method used was survey method with the respondents were all cultivators who carry out the deep water rice field aquaculture system. The data collected included primary and secondary data, with data collection techniques of observation, interviews and literature study. Data analysis was done by combining qualitative and quantitative analysis. Quantitative data analysis carried out were revenue, income and efficiency and business feasibility. The results showed that the production of deep water rice field aquaculture system in Southeast Minahasa Regency for fish was 24,700 kg and rice 69,300 kg. The cost incurred was Rp. 499,392,000, - with a net profit of Rp. 487,707,998,-. The efficiency of deep water rice field aquaculture system in Southeast Minahasa Regency was 1.90 which means this business was said to be efficient, while the business feasibility value was 0.90 which means to continue deep water rice field aquaculture system business was needed to be considered
Pengaruh tingkat yang berbeda dari substitusi tepung ikan dengan tepung darah pada pakan ikan mas Cyprinus carpio L. dalam wadah terkontrol Wungkana, Vike V.; Mokolensang, Jeffrie F.; Watung, Juliaan Ch.; Lumenta, Cyska; Salindeho, Indra R. N.; Wantasen, Adnan S.; Manu, Lusia
e-Journal BUDIDAYA PERAIRAN Vol 10, No 1 (2022)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/bdp.10.1.2022.35249

Abstract

The purpose of this study was to determine the feasibility using of blood meal on the growth rate and nutrient utilization of C. carpio L., as well as feeding with various levels of blood meal inclusion. The results showed that the absolute growth of common carp in treatment 1 with a combination was 10% higher than the other treatments. The daily growth rate of common carp in treatment 1 (1,8% / day) was higher than other treatments. Likewise, with the feed change value, treatment 1 showed significantly different from other treatments. The combination of fish meal and blood meal showed significantly different results from the results of statistical tests
Pemanfaatan media dedak padi yang difermentasi dan tidak difermentasi untuk perbanyakan Alona sp. Sanggaria, Ayu W.; Solang, Jhonly; Pangkey, Henneke; Kreckhoff, Reni L.; Sambali, Haryani; Watung, Juliaan Ch.; Kambey, Alex D.
e-Journal BUDIDAYA PERAIRAN Vol 10, No 1 (2022)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/bdp.10.1.2022.35498

Abstract

This study aimed to analyze the use of fermented rice bran media for the propagation of Alona sp. The method used is an experimental method, using one-way ANOVA, with three treatments, namely fermented rice bran media, unfermented rice bran media, and water. Each treatment was repeated 3 times, so that 9 experimental units were obtained. The observed variable was the density of Alona sp. The results showed that the density of Alona sp. that were cultured on fermented rice bran media was significantly different from that of unfermented rice bran and water.
Pemberian minyak pala (Myristica fragrans) Houttuyn 1774 sebagai bahan anestesi dengan konsentrasi berbeda pada benih lobster air tawar (Cherax quadricarinatus) Von Martens 1868 Mamuko, Nelsi; Mingkid, Winda M.; Watung, Juliaan Ch.; Kreckhoff, Reni L.; Longdong, Sammy N. J.; Manginsela, Fransine B.
e-Journal BUDIDAYA PERAIRAN Vol 10, No 1 (2022)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/bdp.10.1.2022.35535

Abstract

This study aimed to examine the best concentration of nutmeg oil for anesthesia of freshwater crayfish (Cherax quadricarinatus) seeds and analyze the length of time to faint, the length of time to faint and the length of time to wake up for the seeds of freshwater crayfish (C. quadricarinatus) . This research was carried out at the Aquaculture Technology Laboratory, Faculty of Fisheries and Marine Sciences, Sam Ratulangi University, Manado. The time of the research was carried out from April 18, 2021 - May 18, 2021. This study used a completely randomized design (CRD) consisting of 5 treatments and 3 replications, thus there were 15 experimental units. Treatment A with a dose of nutmeg oil (0.7 mL), treatment B (1 ml), treatment C (1.3 mL), treatment D (1.6 mL) and treatment E (1.9 mL). Parameters observed during behavioral research, length of time to faint, length of time to faint and length of time to wake up. The results of the study using the ANOVA statistical analysis test and the BNT follow-up test (Least Significant Difference) showed that different doses of nutmeg oil had a very significant effect on the length of time to faint, the length of time to faint and the length of time to wake up. The length of time to pass out the fastest, the longest length of time unconscious and conscious longest duration was obtained in treatment E (1.9 mL).