Judul: Determination Of The Optimum Mesh Size For Skipjack Tuna Drift Gill NetsFrom Fish Landed On The TPI Palabuhanratu
Abstrak: The study a selectivity generally are carried out by exsperimental fishing. However Kawamura and Matsuoka based on fish landed. The objective of aims study was to estimate selectivity curve usually Matsuoka methods, to obtain frequency distribution of fork length of skipjack tuna,caught is different mesh sizeto determine mesh size of drift gill net for catching skipjack. The result indirected length distribution of skipjack tuna caught by gill net of mesh size 4, 4.5 and 5.5 inchi ranged from 442.5 – 447.5 mm, 472.5 – 477.5 mm and 527.5 – 532.5 mm, respectively value of L50% of drift gill net of mesh size 4, 4.5 and 5.5 inchi ranged from 446 – 456 mm, 477 – 494 mm and 517 – 531 mm, respectivity of this experiment can be concluded that gill net of size 4 inchi is the most optimum mesh size for capturing legal size of skipjack tuna
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Judul: Pengaruh Perbedaan Mesh Size Jaring Rampus terhadap Hasil Tangkapan Rajungan (Portunus pelagicus) di Teluk Jakarta, Muara Angke
Abstrak: The objectives of this research were to determine the catch composition and diversity of monofilament bottom gillnet in different mesh size, to count the swimming crabs (Portunus pelagicus) caught by monofilament bottom gillnet in different mesh size. This research was conducted by experimental fishing method using monofilament bottom gillnets which have different mesh size (3; 3,5 and 4 inches). The arrangement of mesh panel on the set of monofilament bottom gillnet was operated in turns during fishing trials for giving equal opportunities of fish to be caught. The statistical tests, ANOVA test and BNT test, were used to examine the number of the catch. The result showed that total catch of monofilament bottom gillnet was 405 individuals, consisted of six species. The largest catch was swimming crab (Portunus pelagicus) which made up 235 individuals or 58% of the total catch. Based on the mesh size of monofilament bottom gillnet, it can be seen that swimming crab was the main catch of the 3 inch monofilament bottom gillnet which constituted 126 individuals (54%).
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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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