Judul: Maximum Sustainable Yield (MSY) application to the fishery resources utilization policy in Lasongko Bay , District of Buton
Abstrak: Penelitian ini dilakukan di Teluk Lasongko, Pulau Muna, bertujuan untuk merumuskan kebijakan pemanfaatan sumberdaya ikan berbasis MSY di Teluk Lasongko melalui : (1) analisis peran sektor perikanan laut, (2) analisis tingkat pemanfaatan sumberdaya ikan, (3) analisis profitability, (4) analisis faktor pembatas , dan (5) analisis SWOT/AHP. Dalam penelitian ini dipergunakan metode survei. Data primer dihimpun dari wawancara dengan responden dan observasi langsung lapangan, sedangkan data sekunder diperoleh dari lembaga pemerintah dan instansi terkait. Analisis data menggunakan : Analisis Input-Output untuk menilai peran sektor perikanan laut, metode Schaefer untuk pendugaan MSY, Linear Goal Programming (LGP) untuk menghitung besaran faktor pembatas guna pencapaian tujuan, analisis Strength, Weaknesses, Opportunities, and Threats (SWOT) dan Analitycal Hierarchy Process (AHP) untuk perumusan prioritas kebijakan.
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Judul: An Analysis of Little Tuna Resources Management Options in the East Coast of Minahasa, North Sulawesi Province
Abstrak: Presently, the utilization of little tuna resource in the Minahasa coastal waters is not well managed by the local fisheries authority. In the other word, the local government has not sufficient capacity to protect their local fish resources. The management regime used by the local government is quasi open access regime which no control on fisheries capacity in terms of input and output. In this regards, this study can contribute in giving alternative scenario to manage little tuna resources in study area. Using Gordon-Schaefer model, it has been revealed that the Maximum Sustainable Yield (MSY) is estimated at the level of 744.27 ton, while Maximum Economic Yield (MEY) 267.73 tons, Optimum Sustainable Yield (OSY) 275.90 tons and Open Access Yield (OAY) 476.02 tons respectively. In terms of effort, theses level would be 9,453 trips; 1,889 trips; 1,954 trips; and 3,778 trips. From the stekholders analysis, it can be also obtaiend that directorate general of capture fisheries (national level), marine and fisheries service (regional level), regional legislative, fisheries and marine service, regional planning and development board, non goverment organization, private sectors, fishing boat owner and fishermen group (local level) are the most strategic stakeholders. Based on this identification, therefere, trade-off analysis on management scenarios has been undertaken. From the actual condition, it has been indicated that actual production level has been excessed the level of MSY. It can be said that the actual condition of resources utilitization has been biological overfished. From the effort point of view, the condition of actual effort also has been excessed the level of OAY or has been economically overfished. Furthermore, optimal economic rent can be achieved when little tuna management is operated MEY and OSY level. From the results of trade-off analysis, it can be revealed that output control scenario can be considered as the best scenario due to its total score more than input control scenario and output- input control scenario. However, in the real implementation, the output control scenario and input control scenario can be implemented if the government reducing the production is 718.70 tons, 533.24 tons and its effort level is 7,772 trips, 10,150 trips respectively.
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Judul: Enteric Collibacillosis Pada Anak Babi Baru Lahir: Patogenesa dan Perubahan-Perubahan Patologisnya
Abstrak: Diare disebabkan oleh infeksi bakteri Escherichia coli pada anak-anak babi baru lahir yang peka terhadap en terotoksin produk bakteri tersebut. Dikenal sebagai colibacillosis. Patogenesa dari colibacillosis anak babi baru lahir adalah (1) infeksi oleh E. coli patogen, (2) proliferasi E. coli di lumen usus halus, (3) produksi dan pelepasan enterotoksin, dan (4) aktifitas toksin pada usus halus. Dalam proses proliferasi, adanya antigen pili K88 sangat penting karena memungkinkan bakteri perlekatan dengan epitel mucosa usus halus. mengadakan Setelah ko lonisasi dan proliferasi segera toksin dilepaskan. Akti- fitas toksin menginduksi sekresi yang berlebihan dari u- sus sehingga banyak cairan yang dikeluarkan ke lumen usus. Hal ini mengakibatkan banyak cairan dan elektrolit hilang sehingga timbul diare, dehidrasi dan asidosis yang sering menyebabkan kematian. Perubahan-perubahan patologis yang umum adalah dis tensi usus halus, dilatasi lambung dan infark pada kurva- tura mayor. Perubahan-perubahan histologis yang terjadi adalah enteritis hemorrhagica acuta, oedem dan kongesti pembuluh darah di lamina propria, akumulassi leukosit inti polimorf, sel monosit, dan inti sel mengalami piknosis Thrombus pada vena dan degenerasi serta desquamasi sel epitel usus….
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