@article{Sukenda_Rafsyanzani_Rahman_Hidayatullah_2016, title={Kinerja probiotik Bacillus sp. pada pendederan benih ikan lele Clarias sp. yang diinfeksi Aeromonas hydrophila}, volume={15}, url={https://journal.ipb.ac.id/index.php/jai/article/view/12632}, DOI={10.19027/jai.15.2.162-170}, abstractNote={<p class="NoParagraphStyle"><strong>ABSTRACT</strong></p><p class="NoParagraphStyle"> </p><p class="NoParagraphStyle">This experiment was conducted to assess performance of <em>Bacillus</em> sp. probiotic on catfish juvenile <em>Clarias</em> sp. infected by <em>Aeromonas hydrophila</em>. The probiotic content in the diets were 0% (K+ and K-), 1%, and 2% in duplicates. This experiment used randomized design with four treatments and two replications. Juveniles with average body weight of 3.22±0.15 g/fish were reared in the 1.5×2.8×0.5 m<sup>3</sup> pond with density of 800 fish/pond. Fish were reared for 30 days and fed three times a day at rate 8% of  total body weight. At day 31, catfish were challenged by <em>A. hydrophila</em> 0.1 mL (10<sup>6</sup> cfu/mL). Post infection observation was carried out ten days with density 10 fish/aquaria. The result showed that fish fed diet containing 2% probiotic gave the best probiotic performance with survival rate of catfish 83.33% after challenged, spesific growth rate 5.40%, and 0,75 of feed conversion ratio. The results of the blood profile showed significantly better results in the treatment of probiotics compared to the positive control after challenge test <em>A. hydrophila</em>. Probiotic <em>Bacillus</em> sp. has given as much as 2% on feed provides better performance on catfish juvenile.</p><p class="NoParagraphStyle"> </p><p class="NoParagraphStyle">Keywords: probiotic, <em>Bacillus</em> sp., <em>A. hydrophila</em>, catfish juvenille, growth</p><p class="NoParagraphStyle"><strong> </strong></p><p class="NoParagraphStyle"><strong> </strong></p><p class="NoParagraphStyle"><strong>ABSTRAK</strong></p><p class="NoParagraphStyle"> </p><p class="NoParagraphStyle">Penelitian ini bertujuan untuk menguji kinerja probiotik <em>Bacillus</em> sp. dalam pakan pada pendederan benih ikan lele <em>Clarias</em> sp. yang diinfeksi bakteri <em>Aeromonas hydrophila</em>. Penelitian ini menggunakan rancangan acak lengkap dengan empat perlakuan yaitu kandungan probiotik dalam pakan perlakuan yaitu 0% (K+ dan K-), 1%,  dan 2%, masing-masing dengan dua ulangan. Ikan lele yang digunakan memiliki bobot rata-rata 3,22±0,15 g/ekor, dipelihara dalam kolam terpal berukuran 1,5×2,8×0,5 m<sup>3</sup> dengan kepadatan 800 ekor/kolam. Ikan dipelihara selama 30 hari dengan frekuensi pemberian pakan tiga kali sehari sebanyak 8% dari bobot tubuh ikan. Hari ke-31 benih lele diinjeksi bakteri <em>A. hydrophila</em> dosis 0,1 mL/ekor dengan kepadatan bakteri 10<sup>6</sup> cfu/mL. Pemeliharaan setelah diinfeksi dilakukan selama sepuluh hari dengan kepadatan 10 ekor/akuarium. Hasil penelitian menunjukkan ikan yang diberi probiotik 2% memperlihatkan kinerja probiotik terbaik dengan tingkat kelangsungan hidup ikan lele sebesar 83,33% setelah diinfeksi dengan <em>A. hydrophila</em>; laju pertumbuhan harian sebesar 5,40%; dan konversi pakan 0,75. Hasil gambaran darah menunjukkan hasil yang signifikan lebih baik pada perlakuan pemberian probiotik dibandingkan kontrol positif pascauji tantang <em>A. hydrophila</em>. Probiotik <em>Bacillus </em>sp. yang diberikan sebanyak 2% pada pakan memberikan kinerja lebih baik pada pendederan benih ikan lele.</p><p class="NoParagraphStyle"> </p><p class="NoParagraphStyle">Kata kunci: probiotik, <em>Bacillus</em> sp., <em>A. hydrophila</em>, benih lele, pertumbuhan</p><p> </p&gt;}, number={2}, journal={Jurnal Akuakultur Indonesia}, author={Sukenda, and RafsyanzaniMuhammad Mufthi and Rahman, and Hidayatullah, Dendi}, year={2016}, month={Dec.}, pages={162-170} }