Judul: Produksi Ikan Sidat Anguilla marmorata Stadia Elver dan Anguilla bicolor bicolor Stadia Yellow Eel dengan Padat Tebar 0.5, 1.0, 1.5 g/l pada Sistem Resirkulasi
Abstrak: Anguilla spp is a highly economical value fish resource in Indonesia. Eel is a diadromous fish or fish that spawn in the sea, grow and thrive in fresh water, and return to the sea to spawn. The objective of this study was to determine the most optimum stocking density for two different species of eel A. Marmorata and species of eel A. bicolor bicolor in recirculating aquaculture system. Three stocking densities were applied in this study 0.5, 1.0, and 1.5 g/l. The experiments were performed using a concrete tank of 1.7 x 1.7 x 1 m3 at volume of 1,500 liters of circulating water. The fish used was elver stage eels (1.2-1.5 g) and yellow eel stage (15-17 g). The fish were feed with paste artificial feed at a restricted feeding level. The fish survival was relatively high (elver: 69.5 to 91.28% and yellow eel: 75.68 to 92.50%). The specific growth rate was also relatively good (elver: 0.57 to 0.61% and yellow eel: 3.48 to 3.77%). Feed efficiency was low for elver size (0.86 to 3.88%) but considerably high for yellow eel stage fish (29.11 to 50.40%). The highest growth and productivity of eel culture in a recirculating aquculture system was shown at a stocking density of 1.0 kg/m3.
Keyword: recirculating., rearing density, productivity, eel

Judul: Kinerja Produksi Elver Ikan Sidat Anguilla marmorata dengan Padat Tebar 2 g/L, 3 g/L, 4 g/L pada Bobot Awal 7 g/ekor dalam Sistem Resirkulasi.
Abstrak: Eels has been known as one of aquaculture commodities with high commercial value. Both local and international demand of eel was relatively high. High market demand of eel could be anticipated wih high elver production which can be applied by increasing the number of eel’s stocking density. The purpose of this research was to analyze the effects of different stocking densities of 2 g/L, 3 g/L, 4 g/L with initial weight of 7 g/eel to the production of elver Anguilla marmorata reared in recirculating system during 40 days. Eels used in this research were at elver stage weighed 7±0.98 g/ eel and length 15±1 cm/ eel. The survival rate for all stocking density in this research was 100%. There are no significant differences found in growth rate, specific growth rate, and weight variance coefficient of all treatments with rate of 0.03-0.06 g/day, 0.38-0.70%, and 14.45-25.29% respectively. The results showed the best stocking density was 4 g/L which showed biomass growth rate and feed conversion ratio were 3.89 g/day and 1.16 respectively
Keyword: survival rate., stocking density, growth, eel

Judul: Infeksi Virus Parainfluenza Pada Anjing
Abstrak: Virus parainfluenza anjing termasuk famili Paramyxoviridae, berbentuk pleomorf dengan ukuran bervariasi (bergaris tengah antara 100-500 nm), berpembungkus peka ether, berisi genom RNA dan secara serologis mempunyai kesamaan dengan virus SV-5 kera; dikenak sebagai salah satu kausa penting dari sindrom "kennel cough". Infeksinya dapat mengenai anjing semua umur yang belum pernah terinfeksi atau mendapatkan vaksinasi mengakibatkan gejala klinis ringan yang terbatas pada traktus respirasi atu infeksi yang secara klinis tidak memperlihatkan gejala nyata. Gejala klinis yang nampak setelah masa inkubasi (1-5 hari) terlewati berupa batuk yang tidak berat selama beberapa hari, berbagai tingkat tonsilitis dan pharyngitis dan kadang-kadang ditemukan kenaikan temperatur rektal antara 1-2 derajat C dari temperatur normal rat-rata. Anjing terinfeksi mengandung virus pada traktus respirasi bagian atas dan bawah serta limfonoduli sampai hari ke 9 setelah infeksi. Penyebaran virus antar anjing terjadi secara aerogen.
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