Judul: Parasit Saluran Pencernaan pada Kucing Liar di Lingkungan Kampus Institut Pertanian Bogor
Abstrak: The aim of this study was to identify gastrointestinal parasites of stray cat in Bogor Agricultural University. The total 30 fecal samples from stray cat were collected in various place in Bogor Agricultural University. Four samples were collected from stray cat in the male dormitory, 6 samples from lecturer residential, 4 samples from Blue Corner (BC) cafeteria, 6 samples from Yellow Corner (YC) cafeteria, 5 samples from Red Corner (RC) cafeteria and 5 samples from Veterinary Medicine Faculty. The presence of gastrointestinal parasite was observed using McMaster, sedimentation, and sporulation methods. The results showed that of the 30 samples, 25 samples were positive of gastrointestinal parasites with prevalence 83%. The identified parasites were Hookworm, Toxocara spp., Toxascaris leonina, and Isospora felis. Hookworm had the most prevalent (73%), followed by Toxocara spp. (53%), Toxascaris leonina (30%), and Isospora felis (23%). Toxocara spp. had the highest egg per gram feces (EPG) (3573±4497), followed by Hookworm (1417±1705), Toxascaris leoniina (989±623) and Isospora felis (471±339). The prevalence of Toxocara spp. was higher in juvenile stray cats than adult stray cats (P<0.05). The average of egg per gram feces of Toxocara spp. was also higher in juvenile stray cats than adult stray cats (P<0.05). Gastrointestinal parasites that were found in this study which potentially as zoonotic agent were Toxocara spp. and Hookworm.
Keyword: zoonoses., stray cat, prevalence, identification, gastrointestinal parasites

Judul: Infestasi Pinjal dan Infeksi Dipylidium caninum pada Kucing Liar Di Kampus Institut Pertanian Bogor Dramaga
Abstrak: This study was conducted to investigate flea infestation and Dipylidium caninum infection on stray cat in Bogor Agricultural University Dramaga. The totals of 30 stray cats were collected from various places which found commonly in Bogor Agricultural University Dramaga. The stray cats were collected purposifelly which showed pruritus and alopecia. The whole body of cat powdered by gamexan powder, after that the fleas were collected by manual and examined microscopically. The D. caninum were examined from 30 fecal samples of stray cats used McMaster methode, flotation methode and observed by existence of proglotids. Fleas identification were conducted in Laboratory Entomology, while fecals were examined in Laboratory Helminthology, Faculty of Veterinary Medicine Bogor Agricultural University. The identification showed that was only one spesies of flea namely Ctenocephalides felis, while D. caninum were not found. Twenty one (70%) from thirty cats were infestated by the flea with density average of fleas per cat was 3.8±1.9.
Keyword: Ctenocephalides felis, Dipylidium caninum, Prevalence, Stray cat.

Judul: Best Difference Equation Aproximation to Duffing 's Equation
Abstrak: Persamaan Duffing merupakan persamaan yang sering muncul sebagai model masalah sistem ayun mekanis atau pada masalah rangkaian listrik. Umumnya penyelesaian persamaan ini secara numerik memberikan hampiran dengan gala! yang tinggi, seperti dengan metode Runge-Kutta. Tulisan ini mengkonstruksi suatu persamaan beda untuk menghampiri persamaan Duffing tersebut. Penyelesaian dari persamaan beda ini melibatkan fungsi-fungsi eliptik Jacobi. Berdasarkan penyelesaian ini diperoleh basil bahwa penyelesaian hampirannya persis sama dengan penyelesaian analitiknya. Penyelesaian analitik yang diperolehjuga melibalkan fungsi-fungsi eliptik Jacobi.
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