Judul: Produktivitas Armada Penangkapan Pancing di Sekitar Rumpon, Palabuhanratu Jawa Barat
Abstrak: Fishing line with rumpon is the most widely used by fishermen in Palabuhanratu water’s, Sukabumi. This research aims to estimated productivity of fishing line with rumpon in different season, to figure out fishing ground, and total catch of training vessel PSP 01 operated in PPN Palabuhanratu water’s. Surveys method was used in the research and collected the primer and secondary data. The analysis of catch per unit effort (CPUE) was estimated to determine the position of fishing ground of tuna. Result of the research showed that off season during December to February, normal season in March until May, October until November, and peak season from June to September. The productivity of fishing line was increased from off season to peak season. The average CPUE from 2007 to 2011 comprises of 419,88 kg/trip (off season), 582,07 kg/trip (normal season I), 734,47 kg/trip (normal season II), and 818,90 kg/trip (peak season) respectively. The fishing ground of training vessel PSP 01 is located at the southern water’s of Palabuhanratu (07035’188 – 07059’874 South dan 106018’096 – 106025’112 East).
Keyword: 

Judul: Efektivitas Pancing Terhadap Hasil Tangkapan Tuna Disekitar Rumpon yang Didaratkan di PPN Palabuhanratu Sukabumi
Abstrak: Research on the rumpon fishing for tuna catches was conducted in Palabuhanratu Sukabumi. Line fishing with rumpon (FADs) comprises with five type of fishing (trolling line, taber,coping,jerigen and fishing line with kites) which operate around rumpon. The objectives of the research are to determine the percentage composition of the tuna caught operated with rumpon and to examine the effectiveness of line fishing using rumpon in catching tuna. The survey method was used in the research and data collection is carried out by using purposive sampling. The results of this study indicate that catch of line fishing with rumpon consists of skipjack, yellowfin and bigeye with the total 24% which landed at PPN Palabuhanratu. The proportion of skipjack is 40.6%, yellowfin 37.6% and bigeye 21.6%. Effectiveness of line fishing with rumpon was obtained of 24% with the highest effectiveness of tuna catch in August around 58% and the lowest value in December at 9%.
Keyword: 

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….
Keyword: