The present study was carried out in Nilphamari district, Filaria Hospital of Nilphamari district and from randomly selected three villages of Nilphamari Sadar and Paurasava, Sayedpur, Domar, Dimla, Joldhaka and Kishoreganj. The objectives of this study were to find out the status of lymphatic filariasis (LF) in Nilphamari district: An endemic area for LF in Bangladesh. The investigation was carried out among the inhabitants of the villages and the outdoor patients of Filaria Hospital in Nilphamari through a formatted questionnaire. The current status of this disease was 4.43% in Nilphamari Sadar and 3.25% in Paurasava, 4.10% in Sayedpur and similarly 4.82% in Domar, 5.86% in Dimla, 3.85% in Joldhaka and 4.70% in Kishoreganj. In Nilphamari district, it was found that male were more susceptible (58.84%) than female (41.16%). 76.22% male patients had hydrocoele and the disease showed its highest prevalence (41.16%) in the age group of 41-60 years.
The study was conducted in an a urban slum area of Dhaka city. The environmental samples (soil and water) were collected from Mirpur Bihari camp area including Madrasha camp, Muslim camp and ADC camp. The main areas of sample collection were near the sewerage lines, chicken coop, goat house etc. In the present investigation, out of 28 wastewater samples, Entamoeba, Shigella, Aeromonas, Campylobacter, Vibrio cholerae, Blastocystis, Salmonella, Trichuris, Ancylostoma, Plesiomonas, Bacteroides fragilis and Rota virus pathogens were recorded. In wastewater samples, 14.29% had single infection, 85.71% double infection, whereas, observation on 20 soil samples by TAC system, total 12 types of pathogens were recorded such as Shigella, Aeromonas, Campylobacter, Vibrio cholerae, Blastocystis, Salmonella, Plesiomonas, Bacteroides fragilis and Rota virus including Entamoeba sp., Ancylostoma sp. and Trichuris sp.
The study was conducted to understand the occurrence of gastrointestinal parasites in horse during June, 2017 to April, 2018 from Bangladesh National Zoo, Puran Dhaka and Rajarbagh Police Line of Dhaka city. A total of 48 faecal samples were collected from horses and examined by Direct Smearing technique and Formol Ether Concentration technique. Out of 48 samples 47 found positive for gastrointestinal parasitic infection with an overall prevalence of 97.92 %. Highest prevalence was identified (77.1 %) in Parascaris equorum, followed by 70.8 % in Hymenolepis nana, 62.5 % in Isospora sp., 50 % in Ancylostoma duodenale, 39.6 % in Toxocara sp., 35.4 % in Entamoeba sp., 25 % in Trichuris sp., 20.8 % in Fasciola hepatica 16.67 % in Capillaria sp., 8.3 % in Taenia sp. and Opisthorchis sinensis, 4.2 % in Moniezia benedeni and Thysaniezia sp. Highest intensity (72.97± 46.32) was found for Isospora sp. The p value was 0.01, p < 0.05 so the prevalence rate was statistically significant.A significant difference was founded in prevalence between male and female horse where females were highly infected and also seasonal variation showed significant differences. Highest prevalence was recorded in winter and Rainy season (100 %) followed by summer (95 %). The intensity of parasites was highest in rainy season (63.38 ±79.94) followed by summer (55.47 ±29.73) and winter (49.5 ±28.58) Bangladesh J. Zool. 49 (2): 301-319, 2021
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