PENGARUH PEMBERIAN HORMON PERTUMBUHAN REKOMBINAN DENGAN METODE YANG BERBEDA TERHADAP PERTUMBUHAN BENIH IKAN BOTIA (Chromobotia macracanthus)

A. Permana, A. Alimuddin, W. Hadie, A. Priyadi, R. Ginanjar
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引用次数: 2

Abstract

Pertumbuhan ikan botia tergolong lambat, memerlukan waktu sekitar enam bulan untuk mencapai ukuran komersial (panjang total 4-5 cm). Penelitian ini bertujuan untuk mengevaluasi respons pertumbuhan benih ikan botia yang diberi hormon pertumbuhan ikan kerapu (rElGH) melalui tiga metode yaitu: perendaman, oral, dan kombinasi perendaman dan oral. Penelitian menggunakan rancangan acak lengkap dan setiap perlakuan diulang tiga kali. Dosis rElGH melalui perendaman yaitu 1,2 mg/L diberikan pada larva umur tujuh hari, sedangkan dosis secara oral yaitu 30 mg/kg pakan dan diberikan pada benih umur tiga bulan. Ikan dipelihara dalam akuarium sistem resirkulasi (80 cm x 40 cm x 25 cm) dengan kepadatan 5 ekor/L selama pemeliharaan tiga bulan pertama dan 1 ekor/L selama pemeliharaan periode tiga bulan kedua. Hasil penelitian menunjukkan bahwa perlakuan kombinasi perendaman dan oral memberikan pertumbuhan yang lebih tinggi sebesar 12,04% dibandingkan kontrol. Perlakuan ini juga meningkatkan level ekspresi insulin-like growth factor-1/ IGF-1 sebesar 29,37% dibandingkan kontrol.The growth of Clown Loach is slow. It takes about six months to reach the market size (4-5 cm total body length). This study aimed to evaluate the growth response of Clown Loach treated with recombinant giant grouper growth hormone (rElGH) delivered by three different methods: immersion, oral, and the combination of immersion and oral. A completely randomized design was used as the experimental design and each treatment was replicated three times. The immersion method used rElGH dose of 1.2 mg/L on seven-day-old larvae, while oral treatment used 30 mg rElGH/kg feed on the three-month-old juvenile. The fish were reared in a closed recirculation tank (80 cm x 40 cm x 25 cm) at a density of 5 fish/L for the first three months, and 1 fish/L for the second three months of rearing period. The result showed that the combination of immersion and oral treatments produced a higher growth rate of 12.04% compared to control treatment. Those treatments also increased insulin-like growth factor-1/IGF-1 expression level about 29.37% compared to the control.
对鱼的种子(Chromobotia macracanthus)生长激素的影响
博蒂亚鱼的生长速度较慢,大约需要6个月的时间才能达到商业尺寸(总长度为4-5厘米[4-厘米])。这项研究旨在通过三种方法来评估博蒂亚鱼的生长激素(rElGH)对石斑鱼生长激素生长的反应,即浸没、口服、浸没和口服结合。研究使用完全随机设计,每次治疗重复三次。浸泡后的rElGH剂量为1.2毫克/L,口服剂量为30毫克/公斤饲料,用于3个月大的种子。鱼被养在鱼缸里(80厘米×40厘米×25厘米)的循环系统中,在头三个月的维护过程中,鱼的密度为5条/L,在后三个月的维护过程中则为1条/L。研究结果表明,接受浸泡和口服混合治疗比控制增加了12.04%。这种治疗还增加了growth factor 1/ IGF-1的胰岛素表现水平2937%的控制。小丑的咆哮是缓慢的。达到市场大小需要6个月的时间(4-5厘米)。这项研究允许对小丑的成长反应进行评估,这种反应是由三种不同的方法提出的:免疫、口服和口服的结合。一种完整的分层设计就像实验设计一样,每个实验都是三次复制。口腔治疗方法在70年增加了1.2毫克鱼是在一个封闭的水箱里储存的(80厘米乘40厘米乘25厘米),头三个月是5条鱼,第3个月是1条鱼。相反的说法是,口交和口交的结合产生了一个更高的增长速率12.04%的补偿来控制治疗。这些试验还增加了像growth -1/IGF-1表现力的胰岛素水平,大约29.37%被控制。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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