STIMULASI PERTUMBUHAN JUVENIL ABALON, Haliotis squamata DENGAN PEMBERIAN HORMON REKOMBINAN IKAN rElGH

  • Khotimah F
  • Permana G
  • Rusdi I
  • et al.
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Abstract

Masalah yang paling utama dalam budidaya abalon tropis adalah pertumbuhan yang lambat. Penggunaan rElGH (recombinant giant grouper, Epinephelus lanceolatus growth hormone) untuk menstimulasi pertumbuhan beberapa spesies ikan sudah dilakukan. Penelitian ini bertujuan untuk menguji akselerasi pertumbuhan juvenil abalon tropis, Haliotis squamata setelah diberi perlakuan perendaman hormon rekombinan ikan kerapu kertang, Epinephelus lanceolatus pada frekuensi yang berbeda. Ada empat perlakuan frekuensi perendaman rElGH yaitu 4, 9, 16 kali, dan tanpa perendaman (kontrol). Masing-masing perlakuan diulang tiga kali. Perendaman dilakukan selama tiga jam, dengan interval waktu empat hari. Kepadatan abalon tropis 100 ekor/L air laut yang mengandung 30 mg rElGH. Wadah untuk perendaman berupa beaker glass yang dilengkapi dengan aerasi. Penelitian dilakukan selama tujuh bulan. Hasil penelitian menunjukkan bahwa abalon tropis yang direndam rElGH dengan frekuensi empat kali menghasilkan pertumbuhan bobot tubuh dan panjang cangkang tertinggi dan berbeda nyata dengan perlakuan lainnya (P<0,05). Sintasan abalon tropis yang diberi perlakuan perendaman hormon rElGH lebih tinggi dibandingkan perlakuan kontrol.The most crucial problem in tropical abalone aquaculture is the slow growth of the species. Studies investigating the use of rElGH (recombinant giant grouper, Epinephelus lanceolatus growth hormone) for promoting growth have been performed in various species. This research aimed to examine the growth acceleration of tropical abalone, Haliotis squamata juvenile after being treated in different immersion frequencies of recombinant giant grouper, Epinephelus lanceolatus growth hormone (rElGH). There were four treatments of rElGH immersion frequency: 4, 9, 16 times and without rElGH immersion (control). Each treatment was performed in triplicates. Immersion was performed for 3 hours, at 4-day intervals and a density of 100 tropical abalones in 1 L seawater containing 30 mg rElGH. Immersion was conducted in a beaker glass supplied with oxygen. The results indicated that rElGH immersion for total of 4 times showed significantly higher (P<0.05) body weight and shell length of tropical abalone compared to other treatments. The Survival of tropical abalone treated with rElGH was also significantly higher than control.

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Khotimah, F. H., Permana, G. N., Rusdi, I., Susanto, B., & Alimuddin, A. (2017). STIMULASI PERTUMBUHAN JUVENIL ABALON, Haliotis squamata DENGAN PEMBERIAN HORMON REKOMBINAN IKAN rElGH. Jurnal Riset Akuakultur, 11(4), 331. https://doi.org/10.15578/jra.11.4.2016.331-338

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