This study aims to reveal effective concentration of moringa leaf extract which is inducing body resistance of sangkuriang catfish against Aeromonas hydrophila. This study used as experimental method of Completely Randomized Design (CRD) with six treatments and three replications. The treatment used in this research are the addition of Moringa leaf extract into feed with concentration of 0 ppm (A), 100 ppm (B), 125 ppm (C), 150 ppm (D), 175 ppm (E) and 200 ppm (F). Observed Parameters are total leukocyte count, increase in leukocyte, clinical sign and survival rate.  Increase in leukocyte and survival rate data were analyzed using F test and Duncan test with significance level 0,05, while clinical sign data was analyzed descriptively. The results showed that Moringa leaf extract was effective to induce the immune of sangkuriang catfish. The 150 ppm concentration resulted the highest total leukocyte count of 23.46 ± 6.46% and didn’t have clinical symptons after challenge with Aeromonas hydrophila and highest survival rate 80.0 ± 5.00%. Based on the regression analysis, 153.95 ppm of Moringa leaf extract is the optimum concentration with 95.62% on the survival of sangkuriang catfish after challenge with Aeromonas hydrophila.AbstrakPenelitian ini bertujuan untuk menentukan konsentrasi yang efektif dari ekstrak daun kelor untuk menginduksi ketahanan tubuh ikan lele sangkuriang terhadap serangan bakteri Aeromonas hydrophila. Penelitian ini menggunakan metode eksperimental Rancangan Acak Lengkap dengan enam perlakuan dan tiga ulangan. Perlakuan penelitian yang digunakan adalah penambahan ekstrak daun kelor ke dalam pakan dengan konsentrasi 0 ppm (A), 100 ppm (B), 125 ppm (C), 150 ppm (D), 175 ppm (E) dan 200 ppm (F). Parameter yang diamati meliputi jumlah total sel darah, peningkatan jumlah sel darah putih, gejala klinis, dan sintasan. Data peningkatan jumlah sel darah putih dan sintasan dianalisis menggunakan uji F dan uji jarak berganda pada taraf kepercayaan 5%, sedangkan data gejala klinis dianalisis secara deskriptif. Hasil penelitian menunjukkan ekstrak daun kelor efektif untuk menginduksi ketahanan tubuh benih lele sangkuriang. Konsentrasi 150 ppm menghasilkan rata-rata jumlah sel darah putih tertinggi 23,46±6,46% dan setelah diuji tantang tidak menunjukkan gejala klinis, serta tingkat sintasan yang tertinggi sebesar 80,0±5,00%. Berdasarkan analisis regresi konsentrasi ekstrak daun kelor memberikan pengaruh sebesar 95,62% dengan konsentrasi optimum sebesar 153,95 ppm terhadap sintasan ikan lele sangkuriang setelah di uji tantang dengan Aeromonas hydrophila.

The purpose of this research was to determine the appropriate combination of commercial feed and maggot to produce optimum growth, feed efficiency and food conversion ratio for catfish. This research used experimental method with Completely Randomized Design (CRD) consisting of four treatments and four replications. The study was conducted in the Ciparanje Land Fisheries Area, Faculty of Fisheries and Marine Sciences, Padjadjaran University. The research was carried out between January - July 2019. The treatments are combination of commercial feed and maggots consisting of A (control, 100% commercial feed), B (75% commercial feed + 25% maggot), C (50% commercial feed + 50% maggot) and D (25% commercial feed + 75% maggot). The parameters observed were survival rate, daily growth rate, length ratio, feed efficiency, food conversion ratio and water quality. The combination of commercial feed and maggots affected the daily growth rate, length ratio, feed efficiency and food conversion ratio of catfish. The survival rate of each treatment was 88.75, 92.50%. Treatment C showed the value of highest daily growth rate, length ratio, feed efficiency namely 1.86%, 1.40%, 65.09% respectively and the lowest feed conversion ratio 1.54%.

Kampung lauk in Bandung district is one of the efforts to increase the production of catfish (Clarias gariepinus). The purpose of this study was to determine the suitability of water quality for catfish cultivation in Bandung district. The Method used in this study was a survey method with purposive sampling technique to determine the point of observation and water sampling. This study was carried out in 3 stations which were potential locations for the lauk village with 2 sampling points at each station. Parameters observed were temperature, dissolved oxygen, pH and ammonia in accordance with the parameters listed in SNI 01-6484.5: 2002 Catfish (Clarias gariepinus) Rearing Class. Based on observations, the average value of all parameters at all stations is in accordance with SNI 01-6484.5: 2002, except for pH at station 2. Based on this, stations 1 and 3 are suitable for catfish cultivation, station 2 is not suitable.

Penelitian ini dilakukan di Perairan Pangandaran Kabupaten Pangandaran selama empat bulan dimulai pada bulan April hingga bulan Juli 2017. Tujuan dari penelitian ini adalah untuk menganalisis kondisi struktur komunitas fitoplankton di Perairan Pangandaran yang merupakan daerah wisata.Pengambilan contoh fitoplankton dilakukan pada tiga titik yaitu di wilayah terumbu karang pantai timur dan barat serta karamba di pantai timur. Hasil penelitian menunjakan bahwa terdapat 10 genus dari kelas Bacillariophyceae, tiga genus dari kelas Chlorophyceae dan dua genus dari kelas Dinophyceae serta satu genus dari kelas Cyanophyceae. Kelimpahan fitoplankton di Perairan Pangandaran berkisar antara 48-166 ind/l. Indeks keanekaragaman dan keseragaman di Perairan Pangandaran berkategori sedang dan indeks dominasi berkategori rendah.