CD Disertasi

Optimasi Budidaya Ikan Nila Srikandi (Oreochromis Aureus X Niloticus) Dengateknik Boster Di Air Payau

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Demand for tilapia continues to increase along with the increase in population and domestic consumers' preference for tilapia, so it is necessary to increase fish production. Increased fish production can be done by utilizing marginal pond land (idle) and intensification of fish culture. The srikandi tilapia culture system with boster technique in brackish water is the best solution for this. This aim of the study is to analyze the optimal dosage and frequency of fermentation of boster planktop, aquaenzym and amino liquid mixtures to increase the types and abundance of plankton; optimal boster grotop supplementation in feed to improve hematological response, digestive enzyme activity, growth performance, fluctuations in the number of bacteria and types of probiotic bacteria in culture media; and the feasibility of tilapia srikandi rearing with a booster system in brackish water. Materials and Methods: This study used an experimental method, a completely randomized design, 1 factor and 5 levels of treatment. The study consisted of three phases of research, namely: (P0 1). Study of the development of plankton abundance in the media of tilapia srikandi culture of the boster system in brackish water by adding mixed boster planktop of dose fermentation, aquaenzym and amino liquid mixtures (P0 = dose 0 ml / L culturing media, P1 = 0.075 mL/L, P2 = 0, 45 mL/L, P3 = 0.825 mL/L and P4 = 1.2 mL/L); 2). Study of the development of plankton abundance with the frequency of giving different mixed fermented booster (P1 = frequency of giving every 5 days, P2 = once every 7 days, P3 = every 9 days, P4 = every 11 days and P5 = every 13 days); 3). Evaluation of hematological response, digestive enzyme activity and growth performance of srikandi tilapia fed with groster boster supplementation (P0 = supplementation 0 g/kg of fish meal, P1 = 2 g/kg of fish meal, P3 = 4 g/kg of fish meal, P4 = 6 g/kg of fish meal, P5 = 8 g/kg of fish meal). Srikandi tilapia measuring 5.2 - 7.1 cm with a density of 1 fish/2 L (40 fish/80 L) were cultivated on culture media with salinity of 17 ppt for 70 days. During research period the fish were fed commercial pellets with a 38% protein content, 2% fat, 3% crude fiber, 13% crude ash and 12% water content, 3 times a day on an adlibitum. As a test response are: type and abundance of plankton; growth performance (absolute growth weight, absolute growth length, specific growth rate, feed efficiency and feed conversion); survival rate; fish hematology (number of erythrocytes, hematocrites, hemoglobin, leukocytes, leukocrit, blood glucose); digestive enzyme activity (protease, amylase and lipase enzymes); water quality parameters, temperature, pH, salinity, DO, CO2, NH3, NO2 and NO3. Research data were analyzed using ANAVA statistics (P < 0.05), Newman Keuls advanced test and multiple regression models using SPSS 17.0. Results and Discussion: The addition of fermented boster mixture by 0.45 mL/L of culture media and the added frequency every 9 days gave the best plankton species and abundance. Supplementation of boster grotop by 8 g/kg of fish meal can increase the activity of digestive enzymes, growth performance, fish health status, bacterial counts, survival rate and increase production of the srikandi tilapia. The business feasibility analysis shows that the cultivation of tilapia srikandi boster technique in brackish water is profitable and worth doing with economic considerations. Conclusion: Booster mixture fermentation dose of 0.45 mL/L was added to the culture media with a time interval of 9-day and giving of boster grotop 8 g/kg of fish meal, providing digestive enzyme activity, growth performance, hematological response and best bacterial density .

Keywords: Oreochromis aureus x niloticus, plankton, growth performance, hematology, booster technique.

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Ketersediaan

Informasi Detail

Judul Seri

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No. Panggil

10 03. 320 (0001)

Penerbit

Pekanbaru : Universitas Riau – Pascasarjana – Disertasi Ilmu Kelautan., 2020

Deskripsi Fisik

xxvi, 347 hlm,; ill.: 29 cm

Bahasa

Indonesia

ISBN/ISSN

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Klasifikasi

10 03. 320 (0001)

Tipe Isi

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Tipe Media

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Tipe Pembawa

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Edisi

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Subjek

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Info Detail Spesifik

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Pernyataan Tanggungjawab

FATAH

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