Juliaan Ch. Watung
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The use of fish silage in different composition for the growth of carp Cyprinus carpio L. Julio David; Sartje Lantu; Henneke Pangkey; Lawrence J.L. Lumingas; Jeffrie F. Mokolensang; Juliaan Ch. Watung
Jurnal Ilmiah PLATAX Vol. 7 No. 2 (2019): ISSUE JULY - DECEMBER 2019
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jip.7.2.2019.23725

Abstract

This study aims to examine the fish silage for total gain weight, growth rate, and the specific growth rate of common carp (Cyprinus carpio L.), which is cultivated in 12 nets (1x0,5x1m), with the density of 10 fish (3-5 cm) on each net. The experimental design used was a completely randomized design (CRD) with 4 treatments and 3 replications; treatment A with 10% fish silage, treatment B with fish silage 20%, treatment C with 30% fish silage and treatment D were commercial pellet. The ANOVA test showed that the treatment effect among feed A, B, C, and D tested did not give a significant difference to total gain weight, growth rate and the specific growth of carp fry.Keyword: common carp, fish silage, fish feed, growth ABSTRAKPenelitian ini bertujuan untuk menelaah pemberian silase ikan bagi pertumbuhan mutlak, pertumbuhan nisbi, dan pertumbuhan harian ikan mas (Cyprinus carpio L.), yang dipelihara dalam petak-petak jaring berukuran 1x 0,5 x 1 m, dengan padat penebaran 10 ekor ikan berukuran  3-5 cm. Rancangan percobaan yang digunakan adalah rancangan acak lengkap (RAL) dengan 4 perlakuan dan 3 ulangan; perlakuan A pelet berkomposisi silase ikan 10%, perlakuan B pelet berkomposisi silase ikan 20 %, perlakuan C pelet berkomposisi silase ikan 30 % dan perlakuan D adalah pelet komersil. Uji ANOVA menunjukkan bahwa pengaruh perlakuan di antara pakan A, B, C, dan D yang diujicobakan tidak memberikan perbedaan yang nyata terhadap pertumbuhan mutlak, pertumbuhan nisbi dan pertumbuhan harian benih ikan mas.Kata kunci : ikan mas, silase ikan, pakan ikan, pertumbuhan
Pemanfaatan media fermentasi kotoran kuda dalam perbanyakan Alona sp. Mutiara Hariawan; Henneke Pangkey; Jeffrie F. Mokolensang; Cyska Lumenta; Indra R.N Salindeho; Juliaan Ch. Watung
e-Journal BUDIDAYA PERAIRAN Vol. 11 No. 2 (2023): April - Desember
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/bdp.v11i2.49684

Abstract

The purpose of this study was to analyze the effectiveness of fermented horse manure media for the propagation of Alona sp. The research took place at the Aquaculture Technology Laboratory, Faculty of Fisheries and Marine Sciences, Sam Ratulangi University, Manado. The study used an experimental method with 12 experimental units, consisting of treatment A: fermented horse manure with EM4 solution, treatment B: unfermented horse manure, treatment C: yeast (5 ppm), and treatment D: water. Each experimental unit was inoculated at the initial stage by 10 Alona sp. which is placed in a glass jar with a volume of 500 ml. The water quality of Alona sp. culture media was measured including temperature, DO, and pH. The results of propagation of Alona sp. according to the analysis of variance, it was found that the differences in treatment between the culture media had a significant effect. The results of the BNJ follow-up test showed that treatment A was significantly different from treatments B and D, but not significantly different from treatment C. Water quality measurements on day 6 to day 15 for treatments A, B, C, and D ranged from temperature, 26.3-27.3°C, DO 6.5-7.3 ppm and pH 6.2-6.5. Keywords: life food, horse manure, fermentation, aquaculture
Tingkat prevalensi dan intensitas ektoparasit pada benih ikan Nila (Oreochromis niloticus) Prislawati Paputungan; Reni L. Kreckhoff; Reiny A. Tumbol; Ockstan J. Kalesaran; Juliaan Ch. Watung; Suzanne L. Undap
e-Journal BUDIDAYA PERAIRAN Vol. 11 No. 2 (2023): April - Desember
Publisher : Universitas Sam Ratulangi

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Abstract

This study aims to inventory the types of parasites that exist in the Center for Development and Development of Tateli Fish Farming (BP2HPI) Tateli. This research was conducted in April-July 2023 at BP2HPI, Tateli as the location for sampling 30 tilapia (Oreochromis niloticus) seeds randomly in 3 nursery ponds, and then brought to the Laboratory of Aquaculture Technology FPIK Unsrat for parasite observations. Before examining the fish parasites, the sample is put into a bucket filled with water and given aeration so that the fish are still alive during the inspection. In this research activity, several water quality parameters were also measured, namely temperature, pH, and DO in situ. The procedure for examining ectoparasites refers to the procedure according to Kabata (1985). Parasite examination begins with observing the outside of the body, and taking notes if abnormal signs are found such as swelling, bleeding, the presence of black or white spots on the surface of the body, or changes in body color, then the presence of parasites is examined using a microscope with 400x magnification. The examination found 2 types of parasites that infect the seeds of tilapia (Oreochromis niloticus) at the Center for Development and Control of Fish Pests and Diseases (BP2HPI), Tateli are Ttrichodina sp and Gyrodactylus sp. The prevalence of parasites that attack tilapia seeds as a whole reaches 100% which is divided into 90% Trichodina sp and 10%, Gyrodactylus sp. Keywords: parasitic infestation, fish disease, water quality, aquaculture
Fluktuasi parameter kualitas air dan perkembangan flok pada budidaya ikan Nila (Oreochromis niloticus) dengan sistem bioflok di BPBAT Talelu Franklin R. Safsafubun; Suzanne L. Undap; Indra R.N. Salindeho; Novie P.L. Pangemanan; Juliaan Ch. Watung; Henneke Pangkey
e-Journal BUDIDAYA PERAIRAN Vol. 11 No. 2 (2023): April - Desember
Publisher : Universitas Sam Ratulangi

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Abstract

This study aims to determine fluctuations in water quality parameters and flock development in tilapia (Oreochromis niloticus) aquaculture using the biofloc system. The water quality parameters studied were temperature, DO (Dissolved Oxygen), pH, ammonia (NH4), nitrite (NO2), and nitrate (NO3). The research was carried out at the Freshwater Aquaculture Fisheries Center (BPBAT) Tatelu, from May 2023 to June 2023, using the case study method. The average temperature during the study was 27.2oC, DO (5.05 mg/L) and pH (5.40). The average NH4 value was 0.58 mg/L. The results of this study indicated that ammonia began to increase from the first day and reached a peak on day 5 with a value of 0.77 mg/L. The average NO2 value was 1.12 mg/L, The results of this study indicated that the increase in NO2 occurred rapidly from day 5 and reached a peak on day 27 with a value of 1.92 mg/L, then began to decline. The average NO3 value was 25.21 mg/L, the NO3 value increased on the 12th day to a value of 35.1 mg/L, and this value began to stabilize even though there was a little pressure. The highest floc density was on the 34th day with a value of 34 ml/L, the lowest was on the 11th day with a value of 4 ml/L and the average floc density was 23 ml/L. Tilapia culture in the biofloc system had an absolute growth of 57.11 grams, a specific growth ratio of 1.5%, feed conversion (FCR) of 1.2, and survival of 97%. Keywords: Fish cultivation, Oreochromis niloticus, biofloc system
Analisis kandungan nitrogen dan fosfor pada sedimen Danau Tondano di area budidaya Toulimembet Telaumbanua, Yedieli; Tumembouw, Sipriana S.; Watung, Juliaan Ch.; Undap, Suzanne L.; Pangemanan, Pankie L.; Longdong, Sammy N.J.
e-Journal BUDIDAYA PERAIRAN Vol. 11 No. 2 (2023): April - Desember
Publisher : Universitas Sam Ratulangi

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Abstract

The aim of the research was to analyze the nitrogen and phosphorus content in sediments in the cultivation area of Toulimembet Village. This research method is "survey" determining sampling points "purposive sampling" taking into account that the research location is a fish cultivation area with a floating net system, and data is obtained using primary data and secondary data. Primary data collected were in situ measurements of water quality parameters (temperature, turbidity, TDS, pH, DO) in the Toulimembet Village cultivation area and sediment analysis (Nitrogen and Phosphorus) at the Manado Standardization Research Center Laboratory (BARISTAND). Secondary data was obtained from various sources such as journals and previous research reports. Based on research results in Toulimembet Village, Kakas District, Minahasa Regency, North Sulawesi Province, nitrogen (0.78-1.16%), phosphorus (0.04-0.08%), temperature (25.73-27.01°C), turbidity (4.03-4.90 NTU), TDS (0.160-0.164 g/l), pH (7.89-10.52), DO (7. 20-12.67 mg/L), ammonia (0.07 mg/L), phosphate (0.0030-0.0158 mg/L), nitrite (0.069-0.295 mg/L) are still suitable for cultivation activities. Keywords: Fish culture, water quality, floating net cage, eutrophication