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All Journal Jurnal Akuakultur Indonesia Media Akuakultur Dinamika Lingkungan Indonesia Dinamika Pertanian Jurnal Agroteknologi Agribisnis dan Akuakultur
Rosyadi
Universitas Islam Riau
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Economics, Econometrics & Finance Environmental Science Immunology & microbiology

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Growth and survival of Kryptopterus lais treated with thyroxine hormone Agusnimar, ,; Rosyadi, ,
Jurnal Akuakultur Indonesia Vol. 14 No. 1 (2015): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2892.85 KB) | DOI: 10.19027/jai.14.38-41

Abstract

ABSTRACT This experiment was conducted to evaluate the effect of different doses of thyroxine supplemented in commercial feed (pellet 781-1, produced by Choroend Pokhpand Indonesia) on growth and survival of Kryptopterus lais. Adult K. lais with initial body weight of 43−99 g were used as samples. A completely randomized designed with four treatments and three replications were used in this experiment. Four doses of thyroxine used as treatment were 0,0 mg/kg (P1); 0.08 mg/kg (P2); 0.10 mg/kg (P3); and 0.12 mg/kg (P4). Fish were fed 10% of body weight daily, given twice per day. The results showed that the treatement of P2 provided the best growth of absolute body weight and length of K. lais, the growth of absolute weight was 14.8 mg while the growth of absolute length was 1.1 cm.The best daily growth of body weight founded at P4 (0.27 %), while the best daily growth of body length were founded at P2 and P4 (0.06%). The survival of fish were 100% in all treatments. Keywords: Kryptopterus lais, thyroxine hormone, growth, survival  ABSTRAK Penelitian ini dilakukan dengan tujuan untuk mengevaluasi pengaruh dosis hormon tiroksin dalam pakan ikan terhadap pertumbuhan dan kelangsungan hidup calon induk ikan selais. Ikan uji yang digunakan dalam penelitian ini memiliki bobot 43−99 g. Rancangan penelitian yang digunakan adalah rancangan acak lengkap satu faktor dengan empat perlakuan dan tiga ulangan. Dosis hormon tiroksin yang digunakan pada masing-masing perlakuan adalah 0,0 mg/kg (P1); 0,08 mg/kg (P2); 0,10 mg/kg (P3); dan 0,12 mg/kg (P4). Pakan yang diberikan pada ikan uji adalah pelet 781-1 yang diproduksi oleh Charoen Pokphand Indonesia. Setelah dilakukan penelitan diperoleh data bahwa pertumbuhan bobot mutlak dan panjang mutlak tertinggi ditemui pada perlakuan P2, masing-masing 14,8 g dan 1,1 cm. Laju pertumbuhan bobot harian tertinggi terdapat pada perlakuan P4 (0,27%) dan laju pertumbuhan  panjang harian tertinggi terdapat pada perlakuan P2 dan P4 (0,06%). Tingkat kelangsungan hidup ikan uji selama penelitian 100%. Kata kunci: Kryptopterus lais, hormon tiroksin, pertumbuhan, kelangsungan hidup
EFFECT OF FEEDING FREQUENCY OF CHICKEN INTESTINE PASTE ON THE GROWTH AND SURVIVAL OF GLASS CATFISH (Kryptopterus lais) FINGERLINGS Anisya Putri Elmira; Khairul Hadi; Rosyadi Rosyadi; Agusnimar Agusnimar
Media Akuakultur Vol 21, No 1 (2026): June 2026
Publisher : Politeknik Kelautan dan Perikanan Bone

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/ma.21.1.2026.17-24

Abstract

This study evaluated the effect of feeding frequency of chicken intestine paste on the growth and survival of Kryptopterus lais fingerlings. The experiment utilized a completely randomized design with five feeding frequency treatments (2, 3, 4, 5, and 6 times per day) and three replications over 21 days. Ten fingerlings weighing 0.09±0.01 g were stocked in each aquarium and fed at a rate of 10% of their body weight per day. Observed parameters included growth performance, feed efficiency, feed conversion ratio, survival rate, and water quality. The results showed that feeding frequency had a significant effect on growth performance (P<0.05). Feeding four times day⁻¹ resulted in the best performance, indicated by a weight gain of 0.12±0.01 g, length gain of 1.14±0.21 cm, SGR of 0.57±0.01% day⁻¹, feed efficiency of 47.56±3.45%, feed conversion ratio of 2.48±0.21, and survival rate of 76.67±15.28%, with all water quality parameters remaining within optimal ranges. Therefore, a feeding frequency of four times day⁻¹ is recommended to improve growth and feed efficiency during the nursery phase of Kryptopterus lais.
Co-Authors , Agusnimar, , Agusnimar Agusnimar Agusnimar Agusnimar Agusnimar Ahmad Syafitra Anisya Putri Elmira Fakhrunnas MA Jabbar Faradila Ikhfanisa Gusna Meli Roza Hisra Melati Khairul Hadi Muhammad Hasby Muhammad Nur Rizka Avif Putri Hs Sinta Juliana Teguh Oktavian