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Korean J. Vet. Serv. 2009; 32(3): 265-273

Published online September 30, 2009

© The Korean Socitety of Veterinary Service

Prevalence and risk factors of helminth infections in cattle of Bangladesh

Rahman, A.K.M.A.;Begum, N.;Nooruddin, M.;Rahman, Md. Siddiqur;Hossain, M.A.;Song, Hee-Jong;

Department of Medicine, Bangladesh Agricultural University;Department of Parasitology, Bangladesh Agricultural University;Department of Medicine, Bangladesh Agricultural University;Department of Medicine, Bangladesh Agricultural University;Department of Paediatrics, Rajshahi Medical College, Rajshahi University;Department of Infectious Diseases & Avian Diseases, College of Veterinary Medicine and Bio-Safety Research Institute, Chonbuk National University;

Correspondence to : Department of Medicine, Bangladesh Agricultural University

Abstract

A cross-sectional survey was undertaken to identify risk factors and clinical signs associated with parasitic helminth infections of cattle in Mymensignh district of Bangladesh. A nonrandom convenience sampling method was used to select 138 animals from 40 farmers/herds. The eggs per gram of faeces (epg) for nematodes and trematodes were determined by McMaster and Stoll's methods respectively. Animal-level and herd-level data were recorded by means of a questionnaire. Multi-collinearity amongst explanatory variables were assessed using $2{ imes}2{ imes};X^2$ test and one variable in a pair was dropped if $P{leq}0.05$ formultiple logistic regression models. Association study between outcome and explanatory variables was conducted using classification tree, random forests and multiple logistic regression. A positive epg was considered as infected. Analyses were performed using $STATA^{(R)}$, version 8.0/Intercooled and $R^{(R)}$, Version 2.3.0. Seventy eight percent of the cattle were found to be infected with at least one type of helminth. Twenty four pairs of combinations of explanatory variables showed significant associations. Male animals (OR=3.3, P=.006, 95% CI=1.4, 7.7) were associated with significantly increased prevalence of nematode infection. Female cattle of the study area are mostly cross-breed, kept indoor, fed relatively good diet and not used for draught purpose. Males are used for draught purpose thereby more exposed to nematode infective stage and provided with relatively poor diet. So stressed male cattle may become more susceptible to nematode infection. All of the three statistical techniques selected gender and lumen motility as most important variables in association with nematode infection in cattle. The result of this survey can only be extrapolated to the periurban cattle population of traditional management system.

Keywords Cattle,Helminth,Prevalence,Risk factors,

Article

Research Article

Korean J. Vet. Serv. 2009; 32(3): 265-273

Published online September 30, 2009

Copyright © The Korean Socitety of Veterinary Service.

Prevalence and risk factors of helminth infections in cattle of Bangladesh

Rahman, A.K.M.A.;Begum, N.;Nooruddin, M.;Rahman, Md. Siddiqur;Hossain, M.A.;Song, Hee-Jong;

Department of Medicine, Bangladesh Agricultural University;Department of Parasitology, Bangladesh Agricultural University;Department of Medicine, Bangladesh Agricultural University;Department of Medicine, Bangladesh Agricultural University;Department of Paediatrics, Rajshahi Medical College, Rajshahi University;Department of Infectious Diseases & Avian Diseases, College of Veterinary Medicine and Bio-Safety Research Institute, Chonbuk National University;

Correspondence to:Department of Medicine, Bangladesh Agricultural University

Abstract

A cross-sectional survey was undertaken to identify risk factors and clinical signs associated with parasitic helminth infections of cattle in Mymensignh district of Bangladesh. A nonrandom convenience sampling method was used to select 138 animals from 40 farmers/herds. The eggs per gram of faeces (epg) for nematodes and trematodes were determined by McMaster and Stoll's methods respectively. Animal-level and herd-level data were recorded by means of a questionnaire. Multi-collinearity amongst explanatory variables were assessed using $2{ imes}2{ imes};X^2$ test and one variable in a pair was dropped if $P{leq}0.05$ formultiple logistic regression models. Association study between outcome and explanatory variables was conducted using classification tree, random forests and multiple logistic regression. A positive epg was considered as infected. Analyses were performed using $STATA^{(R)}$, version 8.0/Intercooled and $R^{(R)}$, Version 2.3.0. Seventy eight percent of the cattle were found to be infected with at least one type of helminth. Twenty four pairs of combinations of explanatory variables showed significant associations. Male animals (OR=3.3, P=.006, 95% CI=1.4, 7.7) were associated with significantly increased prevalence of nematode infection. Female cattle of the study area are mostly cross-breed, kept indoor, fed relatively good diet and not used for draught purpose. Males are used for draught purpose thereby more exposed to nematode infective stage and provided with relatively poor diet. So stressed male cattle may become more susceptible to nematode infection. All of the three statistical techniques selected gender and lumen motility as most important variables in association with nematode infection in cattle. The result of this survey can only be extrapolated to the periurban cattle population of traditional management system.

Keywords: Cattle,Helminth,Prevalence,Risk factors,

KJVS
Mar 30, 2024 Vol.47 No.1, pp. 1~7

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Korean Journal of
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