<p class="NoParagraphStyle"><strong>ABSTRACT</strong></p><p class="NoParagraphStyle"><strong> </strong></p><p class="NoParagraphStyle">This study aimed to evaluate the effects of cinnamon <em>Cinnamomum burmannii</em> leaves extract addition with different doses in diet for the lipid muscle content of catfish <em>Pangsianodon hypophthalmus</em>. The cinnamon leaves extract was mixed in to the diet with five doses i.e: 0 (control); 0.5; 1; 2; and 4 g/kg diet. Catfish (7.43±0.01 g) were reared in 15 aquariums (160 L volume) with density of 30 fishes in each aquarium for 60 days. Fish were fed until apparent satiation three times daily at 08.00, 12.00, 16.00 WIB. The addition of cinnamon leaves extract at 1 g/kg of diet showed the optimal dose because it could lower flesh fat content, cholesterol, and triglycerides of catfish.</p><p class="NoParagraphStyle"> </p><p class="NoParagraphStyle">Keywords: <em>Pangasianodon hypopthalmus</em>,<em> Cinnamomum burmannii</em>, fat, flesh</p><p class="NoParagraphStyle"> </p><p class="NoParagraphStyle"> </p><p class="NoParagraphStyle"><strong>ABSTRAK</strong><strong></strong></p><p class="NoParagraphStyle"><strong> </strong></p><p class="NoParagraphStyle">Penelitian ini bertujuan untuk mengevaluasi pengaruh penambahan ekstrak daun kayu manis Cinnamomum burmannii dengan dosis berbeda pada pakan terhadap kandungan lemak daging ikan patin Pangsianodon hypopthalmus. Ekstrak daun kayu manis dicampurkan ke dalam pakan dengan lima dosis yaitu: 0 (kontrol); 0,5; 1; 2; dan 4 g/kg pakan. Ikan patin (7,43±0,01 g) dipelihara dalam 15 akuarium (volume 160 L) dengan kepadatan 30 ekor/akurium selama 60 hari. Ikan diberi pakan secara <em>at satiation</em> sebanyak tiga kali sehari pada pukul 08.00, 12.00, dan 16.00 WIB. Hasil penelitian menunjukkan bahwa penambahan ekstrak daun kayu manis sebanyak 1 g/kg pakan memberikan hasil yang optimal karena dapat menurunkan kandungan lemak daging, kolesterol, dan trigliserida ikan patin.</p><p class="NoParagraphStyle"> </p><p class="NoParagraphStyle">Kata kunci: <em>Pangasianodon hypopthalmus</em>,<em> Cinnamomum burmannii</em>,<em> </em>lemak, daging</p><p> </p>

<p class="BasicParagraph" align="center"><strong>ABSTRACT</strong></p><p class="BasicParagraph" align="center"><strong> </strong></p><p class="Pa2">Nursery business of 1-inch Siam-catfish in Sukamandijaya Village has been conducted based on experience and no information was available regarding to its economical efficiency. The purpose of this study was to evaluate the production performance and input optimalization to maximize profit. The methods used in this study was survey with purposive <em>sampling</em>, while production performance asessment was carried out by direct observations. Economic data were analyzed using Cobb-Douglas production function. Number of fish farmer respondens in this survey was 21 respondents. The volume of nursery tanks were about 3,188−9,860 L at stocking density of 15−47 fish/L. The average of absolute length growth, survival, and daily weight growth rate were 2.77±0.19 cm, 56.04±1.07 %, 27.96±1.09 % respectively. Based on the analysis, the optimal input was at the stocking density of 80 larvae/L and sludge worm density of 0.0919 kg/L.</p><p>Keywords: input optimalization, maximum profit, production performance, nursery, Siam-catfish</p><br /><p class="BasicParagraph" align="center"><strong> </strong></p><p class="BasicParagraph" align="center"><strong><br /></strong></p><p class="BasicParagraph" align="center"><strong>ABSTRAK</strong></p><p class="BasicParagraph"><strong> </strong></p><p class="Pa2">Usaha pendederan ikan patin ukuran 1-inci di Desa Sukamandijaya masih berdasarkan pengalaman dan tidak tersedia informasi mengenai efisiensi ekonomi usaha ini. Tujuan penelitian ini adalah mengevaluasi kinerja produksi dan optimalisasi input produksi untuk menghasilkan keuntungan yang maksimal. Survei dilakukan menggunakan metode <em>purposive sampling </em>dan parameter kinerja produksi diperoleh melalui pengamatan langsung. Data ekonomi dianalisis menggunakan fungsi produksi Cobb-Douglas. Jumlah responden pembudidaya pada penelitian ini adalah sebanyak 21 responden. Volume wadah pendederan berkisar 3.188−9.860 L dengan padat tebar berkisar 15−47 ekor/L. Pertumbuhan panjang mutlak rata-rata ikan patin sebesar 2,77±0,19 cm, tingkat kelangsungan hidup sebesar 56,04±1,07 %, dan laju pertumbuhan bobot harian sebesar 27,96±1,09%. Berdasarkan analisis, penggunaan <em>input </em>yang optimal adalah padat tebar 80 ekor/L untuk larva dan pakan berupa cacing sutra dengan kepadatan 0,0919 kg/L.</p><p class="Default"> </p><p class="Pa2">Kata kunci: optimalisasi input, keuntungan maksimal, kinerja produksi, pendederan, ikan patin</p>