Judul: Potensi dan Laju Eksploitasi Sumberdaya Ikan Kerapu di Perairan Teluk Lasongko, Kabupaten Buton, Sulawesi Tenggara:
Abstrak: A grouper wich has a high economic value is one of the major predators in the coral reef ecosystem. Market demand on this fish has led to a declination in the natural grouper population. The study was aimed to estimate both the potential catch and the exploitation rate of grouper resources in Gulf of Lasongko. The potential catch of grouper was estimated by calculating MSY using a surplus production of Fox model; exploitation rate was measured based on a length-based on the growth parameter estimation. The result showed that the MSY of the humpback, brown marble, orange-spotted and leopard coral grouper consecutively were 3.72 ton year-1; 31.73 ton year-1; 66.57 ton year-1; 44.90 ton year-1. The exploitation rate of the humpback, brown marble, orange-spotted and leopard coral grouper consecutively were 0.51 year-1; 0.53 year-1; 0.52 year-1; 0.51 year-1. The results indicated that the exploitation rate of all species of groupers had reached their optimum level, however, the declination of the population was due to the habitat deterioration within the study site. A coral rehabilitation program should be conducted in enhancing coral reef coverage in the Gulf of Lasongko.
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Judul: Growth exploitation rate and reproduction sunu grouper fish (Plectropomus leopardus) in the Waters of Kolaka Regency, Southeast Sulawesi
Abstrak: Sunu grouper fish is one of the important fishery resources in the water of Kolaka Regency, Southeast Sulawesi. The grouper fishing activities in 2008 – 2011 experienced a production decline of 45%. This study was aimed to study the growth, exploitation rate, maximum sustainable yield, and reproduction of sunu grouper fish. The data were collected in January to June 2012. The growth and exploitation rate were analyzed using FISAT. The Maximum sustainable yield were determined by the Schaefer model of Surplus Production. The first mature size of gonads was measured by using the Sperman Karber equation and the gonad somatic indeks was calculated using Effendie equation. The analysis result showed von Bertalanffy growth coefficient L∞ 92,4 cm, K 0,75/year and t0 -0,15. The exploitation rate of 70%/year is categorized into an overexploited condition. The total allowable catch is 882 tones/year. The first mature size of female and males gonads was 35,9 cm and 69,5 cm respectively.
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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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