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Agung Setia Abadi
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Agriculture, Biological Sciences & Forestry Humanities Astronomy Chemistry Education Engineering Social Sciences

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Efek Penambahan Vitamin C Terhadap Laju Pertumbuhan Spesifik Ikan Pelangi Merah (Glossolepsis incisus Weber) Agung Setia Abadi; Anik Martinah Hariati; Ellana Sanoesi
Jurnal Airaha Vol 7 No 02: Desember 2018
Publisher : Politeknik Kelautan dan Perikanan Sorong, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (330.132 KB) | DOI: 10.15578/ja.v7i02.97

Abstract

The red rainbow fish ( Glossolepsis incisus Weber ) is one of Indonesia tropical ornamental freshwater fish which has economical high value. But growth rate is to slow cause the fish rarely available in the market. The purpose of this research was to find out the effect of vitamins C on spesific growth rate of this fish. The method used was in the experimental methods with 5 treatments and 2 replications of a 2 cm and 6 cm. Dosage of vitamins C used was 0 mg/kg of feed, 500 mg/kg of feed, 1000 mg /kg of feed, 1500 mg/ kg of feed and 2000 mg/kg of feed. The result showed that the added of vitamins C is high significant of SGR, FCR and significant pH and DO on the media but does not significant whit SR and temperatur. The result showed that the vitamins C with SGR and FCR is quadratic and the best dose to obtain whit added of vtamins C 1666 mg/kg of feed on the size 2 cm and dose 1111 mg/kg of feed on the size 6 cm. The increase of SGR dependent by the increasing dosage of vitamins C as weell as FCR, but if vitamins C excessive and not according to needs will be a reduce SGR and FCR.
Efektifitas Lama Penyinaran Laserpunktur pada Perkembangan Gonad Abalon (Haliotis squamata) Jantan Agung Setia Abadi; Hendra Budi Kusuma
Jurnal Airaha Vol 9 No 01: June 2020
Publisher : Politeknik Kelautan dan Perikanan Sorong, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (304.715 KB) | DOI: 10.15578/ja.v9i01.144

Abstract

Now Abaloneis one aquaculture highs economy commodity as a food ingredient. The culture of Abaloneis restrictedin the number ofgonadal maturitybroodstockconsequently there require toimprove gonadal maturity usingLaserpunktur.The research was didinthe FishReproduction laboratoryof FisheriesandMarine SciencesFaculty, BrawijayaUniversity, MalangandBrackish WaterAquacultureCenter(BWAC) Situbondo, EastJava, inAugust -September 2014.The purposeof thisstudywas to determine thegonadal maturityeffect ofLaserpunkturexposureto malesabalone(H. Squamata)parent.Research method be usedexperimental methodwith5treatments and 3 replicated.The treatment exposure process used in treatment A was exposed to the laser point for 50 seconds, the treatment B was exposed to a laser point for 100 seconds, treatment C was exposed to a laser point for 150 seconds, the processing D has been exposed to a laser point of 200 seconds, and K without treatment laser point exposure. The results of the study showed that the best gonadsgrowth occurs on exposed C treatment laser point for 150 seconds.
Co-Authors Ellana Sanoesi Hariati, Anik Martinah Hendra Budi Kusuma