Judul: Rancang Bangun dan Uji Coba Alat Pemisah Bibit Ikan Lele (Clarias spp.) Berdasarkan Ukuran
Abstrak: Catfish (Clarias spp.) is one type of freshwater that is popularly cultivated and consumed by the public. One of the catfish behaviors that are cannibalistic requires cultivators to separates small fish from large ones to maintain production efficiency from the seedling phase to adulthood. This research is aimed at developing the instrumentation of catfish seedling sorting based on size. The research phase consists of designing and manufacturing instrument, as well as laboratory-scale trials. Catfish as a research object uses eight sizes interval 2-3 cm, 3-4 cm, 4-5 cm, 5-6 cm, 6-7 cm, 7-8 cm, 8-9 cm, and 9-10 cm. Catfish seed separator instruments in the form of 150 cm x 50 cm x 65 cm dimensions that widen from the upstream (input) to downstream (output) made of wood, stainless steel, aluminum pipe, polylactid acid (PLA), and PVC pipes. The mechanism of working of the instrument utilizes the principle of oblique plane, so the use of the tool begins by pouring seedlings slowly upstream, utilizing the force of gravity, then the catfish will automatically separate based on size. The average success value of this tool is 87%, with an error of 13%. The efficiency of the sorting process reaches 30% with a grading capacity of 4,500-6,000 seedlings / hour, compared to using manual techniques.
Keyword: catfish seedlings, instruments, size, sorting, trials

Judul: Design of an Automation System for Controlling Temperature, Water pH, Oxygen Levels and Water Change Volume in Catfish Breeding Ponds (Clarias sp.)
Abstrak: Pembibitan ikan lele diharuskan dapat melihat kebutuhan yang sesuai bagi larva ikan lele terutama pada kualitas air kolam. Tetapi pada pengaplikasianya, umumnya peyesuaian kebutuhan pada kualitas air hanya dilakukan tanpa ada perlakuan khusus, sehingga kelangsungan hidup yang didapat masih rendah. Tujuan dari penelitian ini adalah untuk membuat mesin yang dapat mengendalikan kualitas air pembibitan ikan lele, menguji kinerja mesin dan pengaruh penggunaanya. Penelitian ini menggunakan metode perumusan dan evaluasi desain dan menguji kinerja mesin yang terdiri dari beberapa tahapan, antara lain: perumusan dan evaluasi desain, pabrikasi mesin, uji fungsional, uji kinerja, dan pengaruh kinerja mesin. Hasil yang diperoleh setelah pengujian adalah kinerja mesin berpengaruh terhadap kecepatan penetasan telur, laju pertumbuhan dan kelangsungan hidup larva ikan lele. Kecepatan penetasan telur ikan lele lebih cepat 4 jam dengan menggunakan mesin. Laju pertumbahan menggunakan mesin sebesar 0,061g/ekor, sedangkan tanpa menggunakan mesin sebesar 0,053g/ekor. Kelangsungan hidup larva ikan menggunakan mesin sebesar 80,3%, sedangkan tanpa menggunakan mesin sebesar 63,1%. Kata kunci: kualitas air, kelangsungan hidup, larva ikan, pengendalian, pertumbuhan, Design of an Automation System for Controlling Temperature, Water pH, Oxygen Levels and Water Change Volume in Catfish Breeding Ponds (Clarias sp.). Supervised by DESRIAL. Catfish nurseries are required to be able to see the appropriate needs for catfish larvae, especially in pond water quality. However, in its application, generally adjustments to the needs of water quality are only carried out without any special treatment, so that the survival obtained is still low. The purpose of this research is to make a machine that can control the quality of catfish breeding water, test the performance of the machine and the effect of its use. This study used the method of formulating and evaluating the design and testing the performance of the machine which consisted of several stages, including: formulating and evaluating the design, manufacturing the machine, functional testing, performance testing, and the influence of the machine performance. The results obtained after testing were the performance of the machine affecting the speed of hatching eggs, the growth rate and survival of catfish larvae. The speed of hatching catfish eggs is 4 hours faster using a machine. The growth rate using a machine is 0.061g/head, while without using a machine it is 0.053g/head. The survival of fish larvae using machine was 80.3%, while without using machine was 63.1%.
Keyword: Rancang Bangun, Kualitas Air, Pembibitan Lele, Kontrol Otomatis, water quality, survival, fish larvae, control, growth

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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