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      Pertumbuhan ulat sutera bombyx mori (lepidoptera: bombycidae) pada Berbagai sumber protein dalam pakannya

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      Date
      2013-08
      Author
      Santoso
      Ekastuti, Damiana Rita
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      Abstract
      Silkworm rearing has high economical value for producing silk material and other beneficial biological materials such as enzyme, antibacterial agent, and antioxidant. For those purposes, it is important to continuously support high quality feed in the silkworm rearing.This study was aimed to evaluate study the growth of silkworm Bombyx mori fed with artificial diet containing different resources of protein (blood meal or soybean meal). The experiment used completely randomized design 5 five treatments artificial feed formulas and 20 repetitions. Each experiment unit consisted of 1 larvae that was reared individually and given different feed. Formula A: 100% blood meal (BM); B: 75% (BM) + 25% soybean meal (SM); C: 50% (BM) + 50% (SM); D: 25% (BM)+ 75% (SM); and E: 100% SM. Parameters measured were the feed consumption/larvae, opproximate digestibility, ECI (efficiency of conversion of feed ingested), ECD (efficiency conversion of feed digestibility), and body weight gain in fourth and fifth of the larvae instar. Oxygen consumption were measured on the fifth day of the fifth instar before meal and one hour after meal. The result showed that resource of protein did not significantly affect the parameters on the fourth instar, but significantly affected on the fifth instar larvae. Increment of soybean meal in artificial diet increasing oxygen consumption, and resulted decreassing of ECI and ECD value on the fifth instar larvae.
       
      Pemeliharaan ulat sutera merupakan kegiatan bernilai ekonomi tinggi, tidak saja untuk menghasilkan benang sutera, tetapi juga merupakan pabrik biologis untuk menghasilkan enzim, antibakteri, antioksidan, dan lain-lain. Kegiatan ini memerlukan dukungan ketersediaan pakan yang bermutu dan berkesinambungan. Penelitian ini bertujuan mengevaluasi pertumbuhan ulat sutera Bombyx mori yang diberi pakan buatan dengan sumber protein tepung darah dan tepung kedelai. Penelitian menggunakan rancangan acak lengkap dengan 5 perlakuan pakan dan diulang 20 kali. Satu unit percobaan terdiri atas 1 ekor larva yang dipelihara secara individual. Sebagai perlakuan adalah kombinasi pakan buatan yang berbeda sumber proteinnya: A, 100% tepung darah (TD); B, 75% TD + 25% tepung kedelai (TK); C, 50% TD + 50% TK; D, 25% TD + 75% TK; dan E 100% TK. Parameter yang diamati adalah konsumsi bahan kering pakan, kecernaan pakan, ECI (efficiency of conversion of feed ingested), ECD (efficiency conversion of feed digestibility), metabolisme (konsumsi O2), dan pertambahan bobot badan pada instar IV dan V. Pada hari kelima instar V, diukur konsumsi oksigen sebelum makan dan satu jam setelah makan. Hasil penelitian menunjukkan bahwa sumber protein pakan tidak berpengaruh nyata pada konsumsi pakan, kecernaan pakan, ECI, ECD, dan pertambahan bobot badan pada instar IV, tetapi berpengaruh nyata pada semua parameter pada instar V. Peningkatan kandungan tepung kedelai menyebabkan peningkatan konsumsi oksigen setelah makan dan menurunkan nilai ECI dan ECD pada instar V.
       
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      http://repository.ipb.ac.id/handle/123456789/71723
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      • Research Journal :: Jurnal Ilmu Pertanian Indonesia [151]

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      Copyright © 2020 Library of IPB University
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      Contact Us | Send Feedback
      Indonesia DSpace Group 
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      UIN Syarif Hidayatullah Institutional Repository
      Universitas Jember Digital Repository