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      Efektivitas Ekstrak Serbuk Sari Pinus sebagai Bahan Fitohormon terhadap Maskulinisasi Ikan Platy Pedang (Xiphophorus helleri)

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      Date
      2022-08
      Author
      Triantari, Dewi
      Sudrajat, Agus Oman
      Alimuddin
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      Abstract
      Ikan platy pedang jantan memiliki ukuran lebih kecil dan lebih ramping dari betina, dengan gonopodium dan proyeksi berbentuk pedang pada sirip ekor. Hal ini menjadikan ikan platy pedang jantan memiliki nilai jual yang lebih tinggi dan lebih disukai oleh pehobi, sehingga dilakukan upaya untuk menghasilkan ikan platy pedang monoseks jantan. Penelitian ini bertujuan untuk menguji efektivitas ekstrak serbuk sari pinus (ESP) dosis yang berbeda melalui pakan pada induk bunting terhadap rasio kelamin anak jantan ikan platy pedang. Penelitian ini menggunakan rancangan acak lengkap yang terdiri atas 4 perlakuan dengan 3 kali ulangan. Perlakuan yang diberikan meliputi suplementasi ESP 10 mg.kg-1 pakan (ESP10), 50 mg.kg-1 pakan (ESP50), 250 mg.kg-1 pakan (ESP250), dan perlakuan tanpa suplementasi ESP atau kontrol. Nisbah kelamin jantan pada perlakuan ESP10, ESP50, dab ESP250 berturut-turut yaitu 33,33%; 46,29%; 58,49%; dan 48,57%. Hasil tersebut menunjukkan bahwa persentase nisbah kelamin jantan ikan platy pedang tertinggi diperoleh pada perlakuan ESP50, dengan peningkatan 25% lebih tinggi dibandingkan perlakuan kontrol. Hasil perlakuan ESP50 menghasilkan nisbah kelamin jantan 58,49%. Hasil tersebut lebih tinggi dibandingkan kontrol yang hanya menghasilkan nisbah kelamin jantan 33,33%. Kelangsungan hidup benih relatif sama pada semua perlakuan. Dengan demikian, ekstrak sari pinus dosis 50 mg.kg-1 pakan efektif digunakan untuk meningkatkan nisbah anak jantan ikan platy pedang.
       
      The male sword platy is smaller and more slender than the female, with a gonopodium and sword-shaped projections on the caudal fin. This makes the male sword platy fish have a higher selling value and are preferred by hobbyists, so efforts are made to produce male monosex sword platy fish. This study aimed to examine the effectiveness of different doses of pine pollen extract (ESP) through feed in pregnant mothers on the sex ratio of male platy swordfish. This study used a completely randomized design consisting of 4 treatments with 3 replications. The treatments included ESP supplementation of 10 mg.kg-1 feed (ESP10), 50 mg.kg- 1 feed (ESP50), 250 mg.kg-1 feed (ESP250), and treatment without ESP supplementation or control. The male sex ratios in the ESP10, ESP50, and ESP250 treatments were 33.33%, respectively; 46.29%; 58.49%; and 48.57%. These results indicate that the highest percentage of male platy swordfish male sex ratio was obtained in the ESP50 treatment, with an increase of 25% higher than the control treatment. The results of the ESP50 treatment resulted in a male sex ratio of 58.49%. This result is higher than the control which only produces a male sex ratio of 33.33%. Seed survival was relatively the same in all treatments. Thus, pine extract at a dose of 50 mg.kg-1 of feed was effectively used to increase the male platy swordfish male ratio.
       
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      http://repository.ipb.ac.id/handle/123456789/114031
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      • UT - Aquaculture [2189]

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