Judul: Efek Paparan Insektisida Deltametrin Pada Kerbau  Terhadap Angka Gigitan Nyamuk Anopheles vagus pada Manusia
Abstrak: Study was carried out to observe the effect of deltamethrin insecticide application against the biting activity of Anopheles vagus, on human being at Cikarawang, Bogor, since September to November 2004. Insecticide (deltamethrin) was used as lotion and rubbed over the buffaloes body followed by observation the biting activity of mosquitoes (with emphasize on Anopheles mosquitoes group) indoor and outdoor as well. The efficacy of delthamethrin against the Anopheles mosquitoes was observed on the buffaloes prior of trials. Eigth species of Anopheles was collected namely, A. vagus, A. indefinitus, A.aconitus, A.nigerimus, A. annularis, A. barbirostris, dan A. tesselatus. A. vagus is dominant and collected for 743 (84,82 %) over the all collections. The protection period of deltamethrin on the body of buffaloes reached out of 95 % for only 3 days. The protection on the humans body was only observed for Anopheles vagus. Utilization of systemic insecticides on the buffaloes should be attempted to gain the optimal results, in protecting the mosquitoes biting activity.
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Judul: Pemanfaatan Ternak dalam Pengendalian Nyamuk Vektor Penyakit
Abstrak: Mosquitoes are insects that cause the most health problems in society, as nuisance insects and vector of various diseases such as malaria, dengue hemorrhagic fever, chikungunya, Japanese Encephalitis, dirofilariasis, filariasis, St. Louis Encephalitis and West Nile Virus. Application of zooprophylaxis as the utilization of cattle to divert mosquito bite from human to animal has not been done in Indonesia. This study was aimed to determine the effect of the placement of cattle around houses to reduce mosquitoes biting to human. Mosquitoes collection on human were done by Bare Leg Collection (BLC) around the houses with and without cattle placement. In the meantime, mosquitoes which come to cattle caught by Magoon trap. The result showed that the density of Cx. sitiens which known as vector of Japanese Encephalitis was 12,05 mosquitoes/man/hour at the houses with cattle and was 16,31 mosquitoes/man/hour at houses without cattle, and very high in cattle was 54,38 mosquitoes/cattle/hour. Density of Anopheles which known as vector of malaria did not show the difference between around houses with and without cattle placement. An. vagus density at house with or without cattle were same (0,01 mosquitoes/man/hour), but very high at cattle (6,12 mosquitoes/cattle/hour). This research showed that placement of cattle as zooprophylaxis application has good potency to reduce mosquito contact to human, which is means it could reduce mosquitoes borne diseases transmission.
Keyword: Bogor Agricultural University (IPB), Zooprophylaxis, Magoon trap, Culex, Cattle, Bare Leg Collection, Anopheles

Judul: Chenwff Faces to Represent Cluster of Provinces Base on Cooperation Characteristics
Abstrak: Koperasi merupakan salah satu bentuk usaha yang berlandaskan atas ekonomi kerakyatan. Pada era reformasi ini peranan koperasi diharapkan mampu membangkitkan kembali gairah kegiatan usaha di Indonesia. Penelitian ini bertujuan untuk mengelompokan propinsi-propinsi di Indonesia berdasarkan karakteristik koperasi. Analisis Komponen Utama digunakan untuk mereduksi peubah yang saling berkorelasi menjadi peubah barn yang tidak saling berkorelasi. Empat komponen ditentukan karena dianggap cukup dengan menerangkan keragaman data asal sebanyak 82, 9%. Kemudian dilakukan analisis gerombol metode hirarki dengan metode pautan lengkap untuk memperbaiki jarak . Ukuran jarak yang digunakan adalah jarak euclid. Hasil pengelompokan memberikan enam buah kelompok propinsi. Selanjunya enam kelompok tersebut disajikan dalam bentuk Chernoff faces. Setiap kelompok memiliki karakteristik wajah tersendiri. Kelompok satu dan dua memiliki besar kepala yang hampir sama serta mencerminkan muka yang masam dengan mata yang kecil. Berbeda dengan kelompok lima yang memiliki kepala lebih besar, senyum yang lebar serta mata yang besar. Kelompok enam walaupun memiliki mata yang kecil tetapi menampilkan senyum yang lebar serta posisi telinga yang agak keatas. Ekspresi wajah yang dihasilkan ditentukan oleh sifat wajah yang mewakili peubah-peubah yang digunakan. Peubab yang menjadi perhatian ulanla untuk diamati diasosiasikan dengan sifat wajah yang mudah untuk diamati.
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