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Presence of bacteria and parasites in cow dung and pit soil, a usual mean of bio-fertilizer in different area of Bangladesh


Pankoj Kumar Das1, Hamida Khanum2, Zahid Hayat Mahmud1, Muhammad Riadul Haque Hossainey1 and Md Sirajul Islam1

1International Centre for Diarrheal Disease Research, Bangladesh (ICDDR, B), Mohakhali, Dhaka-1212, Bangladesh. 2Department of Zoology, University of Dhaka, Dhaka-1000, Bangladesh.

ABSTRACT: The present study was performed to find out the prevalence of parasites and bacteria from cow dung and pit soil from 4 different areas of Bangladesh. Modified centrifugal flotation and conventional culture techniques were used to isolate parasites and bacteria respectively. In case of cow dung, Mymensing was provided with highest average for all studied bacteria. Total coliforms, feacal coliforms and Escherichia coli were 100% prevalent but enterococci were 97.5% prevalent. 40% cattle were found infected with one or more intestinal parasites. The highest prevalence of parasites was 32.5% for both Trichostrongylus and coccidians. Overall intensity was highest for coccidian cysts (127.17) and lowest for Toxocara (13.5). On the other hand, in pit soil total colioforms, faecal coliforms and Escherichia coli were at highest average log10 value in Hazaribagh, where enterococci in Dohar. 85% prevalence of total coliforms, feacal coliforms and Escherichia coli were found along with 82.5% prevalence of enterococci. 57.5% of pit samples were positive for one or more parasites where, the prevalence of Ascaris lumbricoides was highest (47.5%) and Hymenolepis nana was lowest (7.5%). Ancylostoma duodenale had the highest intensity (350.45) and lowest for Enterobius vermicularis (3.00). Without proper management such huge burden of pathogen can easily be transmitted.

KEYWORDS: prevalence, intensity, modified centrifugal flotation, conventional culture

CORRESPONDENCE: Hamida Khanum, E-mail: hamida_khanum@yahoo.com

 

 
 
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