Judul: Perancangan Mekanisme Hisap Vakum pada Mesin Pemanen Udang / Ikan Semi Kontinyu Tipe Vertikal
Abstrak: Products resulting from the fisheries sector is a good source of animal protein to meet the Indonesian people’s needs of nutritional and health. Some products that have a high protein value are shrimp and fish. The need for ease of getting farmed shrimp and fish in a pond increased, also include the harvesting results. Problems faced in fisheries harvesting is too much needed for resources and still lack of harvesting knowledge and skills. One way to minimize these problems is the use of mechanical harvester in harvesting pond. Another problems is that yields are still experiencing disability and high mortality rate. Design approach that taken are functional and structural design approach. From the results of the design will be carried out modeling and functional testing. Functional design is the design that has aspects related to the function and usefulness of each constituent element model of the commodities to be processed. Making models were created to test the success of harvesting systems that work in semi-continuous by vacuum suction mechanism. Because the model harvester shrimp / fish designed aiming to produce a work harvesting semi-continuous by vacuum suction mechanism. Measurements made in the form of rate water, time and speed of shrimp / fish down from the suction tank to the harvesting tank, the ratio number of the shrimp / fish in harvesting tank with shrimp / fish that are still left in the suction tank and pass rates of shrimp / fish alive. From the results obtained it can be seen the amount of shrimp that fell from suction tank to harvesting tank will vary for each time harvesting. The number of commodities that fall will be less and it could be more, depending on the time of harvesting. And the length of harvesting will make this harvester run semi-continuous.
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Judul: Perancangan Mekanisme Sistem Penghisap pada Mesin Pemanen Udang dan Ikan
Abstrak: Fishery commodities have an important role in Indonesian economic. Commodity quality depends on several factors, for example harvesting process. So far, mechanism of fishery commodities harvesting is still it traditional way. Although recently there have been some mechanical shrimp harvesters, still is not widely used, not only because of the price but also the mechanical defect that becomes problem. The objective of this study is to design a vacuum system mechanism on the machine harvesters of shrimp and fish that can minimize the defect rate of harvested commodities. This vacuum system uses a reverse venturi mechanism, from a small hydraulic to a big hydraulic. The discharge during the process was relatively stable, ranging from 0.576 l/s - 0583 l/s. The most optimum combination for the positioning of inlet pipe and outlet pipe was a combination of top inlet and top outlet pipeline. It is not only affected by factors from the fluids flow itself but also by the commodity behavior. When the harvesting time occur the commodity congregate under the filter contained in the fish trap. From the performance test, the pecentage of rcommodities that were still alive was high which was 98.9%.
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Judul: Profil Leukosit Anjing Beagle Setelah Pemberian Obat Anti Caplak Afoxolaner Lima Kali Dosis.
Abstrak: Penelitian ini bertujuan mengetahui profil leukosit anjing beagle setelah pemberian obat anti caplak afoxolaner dengan dosis 1 dan 5 kali dari dosis yang dianjurkan. Penelitian ini menggunakan enam ekor anjing ras beagle yang dibagi menjadi dua kelompok, yaitu kelompok dosis satu kali dan kelompok dosis lima kali. Masing-masing kelompok terdiri atas tiga ekor anjing. Kelompok dosis satu kali diberi afoxolaner dengan dosis 6,3 mg/kg BB, sedangkan kelompok dosis lima kali diberi afoxolaner dengan dosis 31,5 mg/kg BB. Masing-masing perlakuan diberikan sediaan afoxolaner secara per oral dengan frekuensi tiga kali selama 2 bulan, yakni pada hari ke 1, 28, dan 56. Sediaan darah diperiksa dengan alat Hematology Analyzer (Celltac Alpha® type MEK 6450K produksi Nihon Kohden) berupa parameter (leukosit, limfosit, dan granulosit). Selanjutnya data dianalisis menggunakan program Statistical Products and Solution Services version 25 (SPSS V.25). Hasil penelitian menunjukkan bahwa terdapat kenaikan atau penurunan beberapa nilai parameter. Namun, secara statistik menunjukkan tidak adanya perbedaan yang signifikan dari nilai rata-rata semua parameter antar ke 2 kelompok perlakuan. Hal tersebut menandakan pemberian sediaan afoxolaner tidak mempengaruhi faal leukosit anjing sampai lima kali dosis.
Keyword: afoxolaner, anjing beagle, lima dosis, profil leukosit