Judul: Upaya Pengendalian Infeksi Bakteri Edwardsiella tarda pada Ikan Lele (Clarias sp.) Menggunakan Ekstrak Kunyit (Curcuma longa)
Abstrak: Production target of catfish in Indonesia was up to 35% for 2013 and can be reached by free bacteria infection production including from Edwardsiella tarda. Turmeric (Curcuma longa) has been tested as antibacteria, and so its effectivity to catfish must be tested. The objectives of this research was to test turmeric extract on feed as additive to E. tarda infection on catfish. This research were test some methods to extract turmeric and in vivo test with prevention, curative, and control treatment, also positive and negative control three times for each test then analized with RAL method. The best result was the extraction by decoction for 15 minutes with 7,42 mm of inhibition zone. The bacteria density result of Lethal Dosage 50 (LD50) on catfish was 106 cfu/mL. This bacteria had some clinical signs like swelling, hemoraghic, and body ulcer, also gastroentritis and gas captivy. The best result of the survival rate in vivo test was the curative treatment with 86,67%. Specific Growth Rate, Growth Rate, and Growth of Absolute Length parameters did not differ significantly for each treatments.
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Judul: Efektivitas Pengendalian Penyakit Bakterial pada Pembesaran Ikan Lele Clarias sp. dengan Pakan yang Mengandung Bawang Putih dan Meniran
Abstrak: This study aimed to determine the effectiveness of the use of feed containing Allium sativum and Phyllanthus niruri to control bacterial diseases in catfish grow out. Catfish used in this experiment was as length as 7.27 ± 0.34 cm and as body weight as 0.51 ± 3.53 g. Catfish was maintained in plastic ponds with size of 2 m × 1 m × 0.5 m as many as 12 pieces. The treatments applied were Control (-) (without experimental feeding and without water changing), Control (+) (without experimental feeding and with water changing), Prevention (feeding with Allium sativum dose 1.4% and Phyllanthus niruri 0.7% before water changing for 21 days), medical treatment (feeding with Allium sativum dose 2.8% and Phyllanthus niruri 1.4% after water changing for 14 days). The results demonstrated that the survival in medical treatment reached 95.38% ± 7.43%, that was significantly different from control (+) treatment (P ≤ 0.1). Allium sativum and Phyllanthus niruri treatment with the dose of 2.8% and 1.4% were effective for bacterial disease control in catfish Clarias sp. grow out that showed the highest survival of 95.38%.
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Judul: Pembangunan Perumahan Pada Wilayah Desakota Kaitannya Dengan Sistem Sosial Masyaraka t Asli
Abstrak: Faktor utama yang banyak mempengaruhi meningkatnya jumlah perumahan dan pemukiman pacta wilayah desakota adalah adanya tekanan populasi sebagai akibat dari migrasi besar-besaran menuju daerah desakota. Dengan kata lain, lokasi perumahan atau pemukiman menjadi tak memiliki banyak pilihan lagi, kota telah sesak dan sasaran selanjutnya para pengais materi di daerab kota adalab wilayah desakota. Masyarakat asli yang sejak lama tinggal di wilayah desakota merupakan bagian dari masyarakat desakota yang perlu diperhatikan. Baik disadari maupun tidak disadari, perubaban pada masyarakat asli desakota akan terjadi karena masyarakat selalu dalam keadaan dinamis. Selain itu perubahanjuga akan terjadi dikarenakan masyarakat adalah sistem yang terdiri dari bagian-bagian yang berhubungan serta berintegrasi secara fungsional, sehingga perubaban pada satu fungsi dari masyarakat akan mempengaruhi fungsi lainnya.
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