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Seroprevalence of Brucellosis in Sheep in the Gaibandha District of Bangladesh

M. S. Rahman
Department of Medicine, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

M. N. Rahaman
Department of Medicine, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

M. T. Islam
Department of Medicine, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

R. R. Sarker
Department of Medicine, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

M. A. S. Sarker
Department of Medicine, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

M. Sarabontuhura
Department of Medicine, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

A. Chakrabartty
Department of Medicine, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

L. Akther
Department of Livestock Services, Krishi Khamar Sarak, Farmgate, Dhaka-1215, Bangladesh

M. J. Uddin
Department of Medicine, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

Abstract/ Executive Summary:

Brucellosis is an important zoonoses causing signififant economic loss but is very often neglected in Bangladesh. Therefore, a survey was undertaken to investigate the seroprevalence of brucellosis in sheep of selected areas (Gaibandha sadar and Gobindagonj upazilas) in the Gaibandha districts of Bangladesh. A total of 206 sera samples were collected from sheep and were tested for presence of Brucella specific antibody by Rose Bengal Plate Test (RBPT) as screening test and the RBPT positive samples were further confirmed using indirect Enzyme-linked immunosorbent assay (i-ELISA). Information of sheep's age, sex, housing system, pregnancy status, abortion and reproductive disorder were collected using questionnaire. The overall seroprevalence of brucellosis in sheep was recorded as 3.39% in RBPT and 2.91% in i-ELISA. The prevalence of brucellosis in female sheep (3.41%) was higher than male (3.33%). The prevalence of brucellosis in sheep with abortion history was higher (4.34%) than the sheep with no abortion (3.08%). The highest prevalence of brucellosis (4.00%) was found in sheep keeping with others species such as cattle and goat compared to the sheep keeping alone (1.79%). The higher rate (4.59%) of Brucella antibody was recorded in sheep of 1-2 years of age. Brucellosis might be an important hinders for sheep production in Bangladesh. The present study will help to develop an appropriate prevention strategy for brucellosis in Bangladesh.

Keywords: Seroprevalence, Brucellosis, Sheep, RBT, I-ELISA

Location: Gaibandha sadar and Gobindhagonj upazilas of Gaibandha districts

Start Date:

End Date:

Program Area: Animal Health and Management

Commodity: Sheep

Objectives:

To determine the seroprevalence of brucellosis in sheep in Gaibandha district of Bangladesh.

Methodology:

Venous blood samples were collected aseptically from randomly selected 206 sheep in Gaibandha sadar and Gobindhagonj upazilas of Gaibandha districts of Bangladesh. During sampling, information on age, sex, breed, pregnancy status, reproductive problems such as repeat breeding, previous abortion and retention of placenta were recorded using questionnaire. After collection of data, about 5-7 ml of blood was collected aseptically from each of the randomly selected Black Bengal goats. All the blood samples were processed for sera preparation. Rose Bengal plate test (RBPT) test were used for the diagnosis of brucellosis as screening test and the animals found positive in RBPT were further confirmed by i-ELISA test. The Chi-square test was employed to find out the significant relationship between the prevalence of brucellosis demographic variables (age, sex, species, breed etc) by using SPSS version 17.0.

Source of Information: Progress. Agric. 23(1 & 2): 25 – 32, 2012 ISSN 1017-8139

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Information of sheep's age, sex, housing system, pregnancy status, abortion and reproductive disorder were collected using questionnaire. The overall seroprevalence of brucellosis in sheep was recorded as 3.39% in RBPT and 2.91% in i-ELISA. The prevalence of brucellosis in female sheep (3.41%) was higher than male (3.33%). The prevalence of brucellosis in sheep with abortion history was higher (4.34%) than the sheep with no abortion (3.08%). The highest prevalence of brucellosis (4.00%) was found in sheep keeping with others species such as cattle and goat compared to the sheep keeping alone (1.79%). The higher rate (4.59%) of Brucella antibody was recorded in sheep of 1-2 years of age. Brucellosis might be an important hinders for sheep production in Bangladesh.

Knowledge Management: Journal