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Authors

Lies Emmawati Hadie
R. R. Sri Pudji Sinarni Dewi
Wartono Hadie

Abstract

Srikandi nile tilapia is a superior strain of fish that has been release by the Ministry of Marine and Fisheries in 2012. The fish has a competitive advantage because it has the best growth performance in the 10-30 ppt salinity compared to other strains of tilapia fish. This study aimed to determine the effectiveness of fish in germination of nile tilapia srikandi mass scale. Research was conducted at the fish breeding center of Pangkah, Jati Kidul hamlet, Tegal regency. Broodstocks spawning was carried out in permanent ponds measuring 300 m2 and fish larvae were rearing in semipermanent ponds measuring 28 m2. Spawning design implemented with the ratio 1:2 for male and female. Larval rearing cycle lasts for 45 days. The research was conducted in eight cycles. nile tilapia GIFT were collected and used as a standard in the mass production of seed. The result showed that the broodstock of Nile tilapia srikandi has the high effectiveness. Indications of genetic characters of nile tilapia srikandi namely Ne was reach 160, NEF of 159.52 and inbreeding level in the same generation was 0.003%. AbstrakIkan nila srikandi merupakan jenis strain ikan unggul yang telah dirilis oleh Kementerian Kelautan dan Perikanan pada tahun 2012. Ikan tersebut memiliki keunggulan kompetitif karena memiliki performa pertumbuhan terbaik pada salini-tas 10-30 ppt dibandingkan strain ikan nila lainnya. Penelitian ini bertujuan untuk menentukan efektivitas ikan nila srikandi dalam perbenihan skala massal. Penelitian dilakukan di Balai Benih Ikan Pangkah, Dukuh Jati Kidul, Kabupaten Tegal. Pemijahan induk dilakukan pada kolam permanen berukuran 300 m2 dan pemeliharaan larva ikan nila srikandi dilakukan di kolam semi permanen berukuran 28 m2. Desain pemijahan dilaksanakan dengan rasio 1:2 untuk induk jantan dan betina. Siklus pemeliharaan larva berlangsung selama 45 hari. Penelitian dilakukan dalam delapan siklus. Koleksi ikan nila GIFT digunakan sebagai pembanding dalam produksi benih secara massal. Hasil penelitian menunjukkan bahwa induk nila srikandi memperlihatkan efektivitas yang tinggi. Indikasi karakter genetik induk nila srikandi yaitu Ne mencapai 160, NeF sebesar 159,52 dan tingkat perkawinan sekerabat dalam satu generasi sebesar 0,003 %.

Keywords:
effectiveness , germination , nile tilapia srikandi , mass production

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