Judul: eragaan Fenotipe Rumput Laut Gracilaria spp. Budidaya Polikultur Pada Salinitas 6-18 g/kg Di Tambak Muara Gembong, Bekasi
Abstrak: The phenotype diversity of seaweed Gracilaria spp. and its relationship with water quality in the ex-shrimp ponds by polyculture system was evaluated to estimate the production potential and quality. Gracilaria spp. sample was collected from 16 sampling location with a salinity range of 6.2-17.6 g/kg. Phenotypical characters observed consisted of colour and thallus morphometrics such as length of main thallus, length of secondary thallus, length of tertiary thallus, internode of secondary thallus, internode of tertiary thallus and blade. The water quality parameters included water chemistry and physics. The results showed that Gracilaria spp. colour was light brown colour and brown at salinity higher than 7.4 g/kg. Salinity affects morphometric characters significantly (P<0.35) the length of main thallus, length of secondary thallus, and the internode of secondary thallus. The salinity influence conductivity, TDS, nitrate and phosphate concentrations which associated with the growth of seaweed. The length of main thallus, length of secondary thallus, and length of tertiary thallus decreased a long with salinity increased.
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Judul: Karakteristik Fenotipe Rumput Laut Gracilaria spp. yang Dibudidaya pada Salinitas Berbeda di Tambak Desa Pantai Sederhana, Muara Gembong
Abstrak: Gracilaria spp. is an euryhaline species which can live in the marine and brackish water. Developing Gracilaria spp. in Bekasi is very potential activity because this seaweed can be cultured in ex- shrimp ponds by polyculture systems. The objective of this research is to evaluate the performance of Gracilaria spp. based on phenotype morphological characteristics and its relationship with shrimp pond water quality. Sampling was done at 3 shrimp ponds with a salinity range of 13.7-19.2 g/kg. Phenotypical characteristics Gracilaria spp. consisted of colour and thallus morfometrics, while measurement of water quality consisted of physical and chemical characters of shrimp pond. The result shows that Gracilaria spp. generally have light brown colour and at salinity higher than 13.7 g/kg the number of secondary thalluses increased, the distance between internode tertiary thallus declined, and the number of ramification index increased. Salinity showed a positive correlation with remification index which was 0.571
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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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