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Journal : Omni-Akuatika

Synodontis eupterus Larvae Masculinization Using Javanese Long Pepper Extract (Piper retrofractum) Prassetyo Dwi Dhany Wijaya; Muhammad Zairin Junior; Dinar Tri Soelistyowati; Widanarni Widanarni
Journal Omni-Akuatika Vol 13, No 1 (2017): Omni-Akuatika May
Publisher : Fisheries and Marine Science Faculty - Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (436.451 KB) | DOI: 10.20884/1.oa.2017.13.1.224

Abstract

Synodontis eupterus male represents only 5-10 % of farmer total synodontis production, which limits male availability for reproduction purpose. A method widely used in overcoming the low male production was masculinization through synthetic hormones, which was restricted due to its adverse impact on the environment. Natural ingredients from plant were demonstrated in various studies to substitute the 17α-methyltestosteron hormone on masculinization. This research aimed at evaluating the effects of Javanese long pepper extract (JLP) through immersion on synodontis fish larvae. The research was conducted using factorial design with two faktor (4x2) consisted of eight treatments: 17α-methyltestosteron 2 mg L-1 (MT) immersion for 5 and 10 hours, JLP dose 0.125 mg L-1 (P1) immersion for 5 and 10 hours and dose 0.25 mg L-1 (P2) immersion for 5 and 10 hours compared to the control treatment without immersion (P0). A hundred of synodontis larvae of 10 days old after hatching each replication were used in the immersion treatments. The results showed that JLP treatments produced 25-40 % of male synodontis age four months, 1-2 % females and above 60 % intersex. While at age five months, the percentage of intersex fish decreased to 20-40 %, the female fish increased to  60-62 %, and male fish ranged 20-35 % in JLP compared to the control P0 (15 %). The dose of JLP 0.25 mg L-1 increased mortality of about 14-54 %.
Co-Authors , Alimuddin , Rahman, , Achmad Sudradjat Agus Oman Sudrajat Ahmad Fahrul Syarif Ahmad Muzaki Ahmad Teduh Akbar, Muhamad Saepul Aldilla Kusumawardhani, Aldilla Alimuddin Alimuddin Alimuddin Alimuddin Alimuddin Alimuddin Alimuddin Anang Hari Kristanto Anang Hari Kristanto Aras, Annisa Khairani Arifah Ambarwati Asep Bulkini Bagus Rahmat Basuki Daniel Djokosetiyanto Dendi Hidayatullah, Dendi Deni Radona Deni Radona Dian Hardiantho Dian Hardianto Didik Ariyanto Didik Ariyanto Donny Prariska Eddy Supriyono Edison, Thomas Erlania Erlania Euis Rakhmawati Fajar Maulana . Farah Diana Fauzan, Agung Luthfi Firmansyah, Rodhi Fitriyah Husnul Khotimah Flandrianto S. Palimirmo Gleni Hasan Huwoyon Gleni Hasan Huwoyon Gleni Hasan Huwoyon, Gleni Hasan Gloria Ika Satriani Gloria Ika Satriani Gunawan, Bambang Kusmayadi Gusti Ngurah Permana Guttifera Hafidah, Riva Hafif Syahputra Hanggara, Yudha Harton Arfah Haryanti Haryanti Haryanti Haryanti Helena Sahusilawane Herjayanto, Muh. Ibrahim Satrio Faqih Ibrahim, Yusran Ida Ayu Amarilia Dewi Murni Imron Imron, Imron Indah Mastuti Intan Putriana Irin Iriana Kusmini Irin Iriana Kusmini Irin Iriana Kusmini Irin Iriana Kusmini Irin Iriana Kusmini Irin Iriana Kusmini, Irin Iriana Irwan Irwan Irzal Effendi Iskandariah Iskandariah Iskandariah, Iskandariah Ketut Mahardika Ketut Sugama Ketut Sugama Khotimah, Fitriyah Husnul Komar Sumantadinata Kukuh Nirmala Ligaya I. T. A. Tumbelaka M. H. Fariduddin Ath-thar M. Syukur M. Zairin Junior Mahardhika, Prana Mahdaliana, Mahdaliana Maulana, Fajar Melta Rini Fahmi MH. Fariduddin Ath-thar Mia Setiawati Muh. Herjayanto Muhamad Syukur Muhammad Fadlan Furqon Muhammad Hunaina Fariduddin Ath-thar Muhammad Sami Daryanto Muhammad Zairin Jr Muhammad Zairin Jr. Muhmmad Agus Suprayudi Muliari Muliari Mulyasari Mulyasari Nopri Yanto Odang Carman Oktaviani, Tia Peni Pitriani Poppy Dea Bertha, Poppy Dea Prana Mahardhika Prassetyo Dwi Dhany Wijaya Rahmadani Rahmadani Ratu Siti Aliah Raudhatus Sa'adah Rezki, Dinda Wahyu RIDWAN AFFANDI Rinaldi Rinaldi Rini Susilowati Rizki Eka Puteri Ronny Rachman Noor Ruby Vidia Kusumah Rudhy Gustiano Rudhy Gustiano Rudhy Gustiano Rudhy Gustiano Rudhy Gustiano Rudhy Gustiano Rudhy Gustiano Rudhy Gustiano Rudhy Gustiano Safira Qisthina Ayuningtyas, Safira Qisthina Sahusilawane, Helena Afia Sandra, Aan Aryanti Sari Budi Moria Sembiring Sari Budi Moria Sembiring Satriani, Gloria I. Selly Ratna Sari Sholihin, Hidayatush Sri Nuryati Sri Sundari Sudarto Sudarto Syahril, Alfis Tia Oktaviani Upmal Deswira Vitas Atmadi Prakoso Wahyutomo Wahyutomo Wahyutomo, Wahyutomo Wibowo, Kesit Tisna Wicaksono, Aryo Wenang WIDANARNI WIDANARNI Wildan Nurussalam Wiyoto Wiyoto Yeni Elisdiana Yogi Himawan