Judul: Telaah korelasi bagian integumen cicak terhadap distribusi tungau ektoparasit
Abstrak: Ectoparasite infest certain body parts of the host body. Ectoparasite mites distributed in gecko body by sticking to its integument. This research aimed to study the correlation of gecko exterior integument layer (hinge length/JH and keratin thickness) toward the number of mites which infest gecko body. Mites were prepared using whole mount technique using polyvinyl alcohol (PVA) to obtain number of mites data. Gecko integument were prepared using paraffin section method and staining with Hematoxylin-eosin to obtain JH length and keratin scale thickness data. Data were analyzed using Pearson correlation method. Caught geckos were consist of Cosymbotus platyurus, Hemidactylus garnotii, H. frenatus, and Gehyra mutilata species. Caught geckos were categorized into Pterygosomatidae family with Geckobia as the most abundant genus. JH length and keratin thickness on tubercal scale were higher than granular scale in all geckos. JH range was lowly correlated with number of mites in G. mutilata and lowly correlated in the three other species. Keratin thickness was lowly correlated with the number of mites in all four species.
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Judul: Inventarisasi dan Identifikasi Tungau Ektoparasit pada Cicak di Kabupaten Cianjur
Abstrak: Ectoparasite mites are parasitic organisms that live on the surface of the host, sucking the blood or feed on hair, fur, skin, or skin secretions. This research aim to inventarisation and identification of mites ectoparasites on gecko in Cianjur areas. The research was conducted from January 2012 until July 2012. Gecko and mites were collected and preserved in 70% alcohol. Whole mount of the mites was prepared used polyvinyl alcohol media. The result showed that there are three species of gecko (Cosymbotus platyurus, Hemidactylus frenatus, and Gehyra mutilata) was infested by Geckobia mites. There are new seven spesies of Geckobia (G4, G5, G6, G7, G10, G11, and G12). Analysis of the presence of mites done by calculate the value of prevalence (P), the average intensity of infestation (I), and the total intensity (It). The prevalence in C. Platyurus gecko (P = 74.38%) is higher than G. mutilata (P = 50%), and H. frenatus (P = 33.33%), while the average infestation intensity (I) and total intensity (It) is the highest found in G. mutilata (I = 10 and It = 11). Geckobia G4 and Geckobia G10 were found only on C. platyurus; Geckobia G5 and Geckobia G12 were found on C. platyurus and G. mutilata; Geckobia G6 were found on whole infected gecko; Geckobia G7 were found on C. platyurus and H. frenatus; and Geckobia G11 were found on H. frenatus and G. mutilata. So it is concluded that the new seven species mites has not a specific distribution pattern of their hosts.
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Judul: Kelayakan pengembangan usaha Crude Palm Oil (CPO) pada PT Tapian Nadenggan Kabupaten Padang Lawas Utara Provinsi Sumatera Utara
Abstrak: Sejak lima tahun terakhir Kabupaten Padang Lawas Utara menjadi salah satu daerah sentra produksi perkebunan sawit dan karet di wilayah provinsi Sumatera Utara berdasarkan data terakhir tahun 2007 (data BPS Tapsel), jumlah luas dan produksi perkebunan sawit di daerah Kabupaten Padang Lawas Utara adalah seluas 133.608 ha dengan produksi 2.404.944 ton, terdiri dari perkebunan rakyat seluas 32.059 ha, perkebunan sawit perusahaan besar seluas 101.121 ha dan perkebunan koperasi seluas 428 ha. PT Tapian Nadenggan merupakan salah satu perusahaan pengolahan kelapa sawit yang berdiri sejak tahun 1979 yang merupakan anak perusahaan PT SMART Tbk. Perusahaan ini memiliki pabrik pengolahan kelapa sawit yang menghasilkan CPO dan KPO (Kernel palm oil) berkapasitas 60 Ton/Jam juga memiliki kebun kelapa sawit sendiri seluas 9500 hektar, saat ini perusahaan hanya mampu mengolah 201.989 ton per tahun kondisi ini dikatakan belum memenuhi kapasitas normal pabrik yang mampu mengolah 360.000 ton per tahun.
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