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Rio Yusufi Subhan
Politeknik Negeri Lampung
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Social Sciences Veterinary

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PEMELIHARAAN LARVA UDANG VANNAMEI (Litopenaeus vannamei) DENGAN GENETIKA BERBEDA Subhan, Rio Yusufi; Witoko, Pindo; Kurniawan, Ilham Hadi
Jurnal Perikanan Terapan Vol 4 No 1 (2023): Jurnal Perikanan Terapan
Publisher : Politeknik Negeri Lampung

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Abstract

Vannamei shrimp is a prospective commodity that continues to be cultured intensively in Indonesia. Efforts to produce vannamei shrimp fry are an activity that continues to be developed by stakeholders, including efforts to improve genetics. Apart from a good aquaculture system, genetics is also an important factor in the success of vannamei shrimp culture. This research was conducted at CV. Manunggal Rasa with a research design carried out using a comparison of 2 genetics of vannamei shrimp larvae, namely American Penaeid, Inc (API) and Benchmark Genetics (BM) with a stocking density used of 40,000 individuals/m2 in each pond with an area of 25 m2. Rearing vannamei shrimp fry for 4 cycles provided several differences in the observation of absolute length growth and survival rate. The absolute length growth of the API genetic vannamei shrimp fry was 5.68 mm, while the BM genetics was 6.16 mm. The survival rate in each cycle is cycle 1 (API 89.9% and BM 93.1%), cycle 2 (API 91.4% and BM 95.6%), cycle 3 (API 88.9% and BM 89 .7%) and cycle 4 (API 93.2% and BM 94.6%). The water quality for each cycle is calculated to be optimal, namely ranging from 27-31oC (temperature), 4.5-5 ppm (DO), 30 ppt (salinity), 0-0.1 ppm (ammonia) and 7.9-8.3 (pH).
PENGARUH SALINITAS BERBEDA TERHADAP KULTUR PAKAN ALAMI Thalassiosira sp. SKALA INTERMEDIET Subhan, Rio Yusufi; Verdian, Aldi Huda; Muahirin, Ronal
Jurnal Perikanan Terapan Vol 4 No 1 (2023): Jurnal Perikanan Terapan
Publisher : Politeknik Negeri Lampung

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Thalassiosira sp. is a natural feed that has high nutritional content and supports the growth of Litopenaeus vannamei larvae. This research aims to determine cell density, peak population, daily growth rate, and water quality parameters on intermediate scale culture of Thalassiosira sp. with different salinities. This research was conducted at CV. Manunggal Rasa by applying 28 ppt, 30 ppt, and 32 ppt salinity with two repetition. The highest peak population was found in the 28 ppt salinity treatment with an average number of 40×104 cells/ml and the lowest population was in the 32 ppt salinity treatment with an average number of 35.5×104 cells/ml. The daily growth rate reached the highest level in the treatment with 28 ppt salinity with a value of 0.28 cells/ml/day. Meanwhile, the 32 ppt salinity treatment had the lowest daily growth rate 0.14 cells/ml/day. The population peak occurred on the third day, after which there was a decrease in the number of Thalassiosira sp. cell populations. The results of this research indicate that the higher the salinity will reduce the results of the parameters tested.
Co-Authors Abi Aziz, Muhammad Aditya Farhan, M ADNI OKTAVIANA Agung Kurniawan Akbar, M. Fadhilah Aldi Huda Verdian Anjar Sofiana atur muzzi, wahyu Bokau, Rietje JM Daniel Djokosetiyanto Dwi Puji Hartono Dwi Wardana, Dava Dzulhasni, Sahilly Eddy Supriyono Eulis Marlina ghazi al ghifari, M Handayani , Muliawati Ikhwanudin, Muhammad Kurniawan, Ilham Hadi Linuwih Aluh Prastiti Liyana Putri, Syadza Muahirin, Ronal Mulyadi ' Niken Ayu Pamukas Nuning Mahmudah Noor Nur Indariyanti Nursandi, Juli Nurul Fatimah Nurul Fatimah Pindo Witoko Puji Hartono, Dwi Putri Nikmah, Wahyu Rakhmawati Rakhmawati Rakhmawati, Rakhmawati Siburian, Arif Faisal tri rahmawati, rita Tulas Aprilia Verdian, Aldi Huda WIDANARNI WIDANARNI