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Rotaviral Diarrhoea in Kids of Black Bengal Goats in Mymensingh

B. K. Dey
Nachul Veterinary Hospital, Chapai Nawabgonj.

M. S. Ahmed
Department of Medicine and Surgery, Barisal Government Veterinary College, Barisal.

M. U. Ahmed
Department of Medicine, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

Abstract/ Executive Summary:

An epidemiological study on rotavirus infection was carried out by examining 484 faecal specimens of kids of Black Bengal goats using RNA polycrylamide-gel-electrophoresis and silver staining (PAGE-ss) technique. Goat rotavirus was detected in 8.68% (42/484) diarrhoeic faecal specimens. The highest rate of rotavirus infection in goat kids was found in the month of January (13.95%) and the lowest in August (5.26%). The rate of rotavirus infection also the highest in winter season (11.80%) and the lowest in summer season (7.10%). The kids of 7 days to 1-month age group were most frequently found associated with rotavirus infection 13.63% (12/95), but very young kids which were below 7 days old, were found negative for rotavirus while gradual decreasing infection rate was found with the advancement of age. There was no marked variation in rotavirus infection rate between male and female group of kids. An electrophoretic analysis of rotaviral RNA revealed that kids were infected with rotavirus having only long RNA electropherotypes. The antigenic studies with reference to subgroup and serotypes with specificity and its zoonotic potentials need to be studied further. Key words:

Keywords: Rotaviral diarrhoea, Kids, Black Bengal goats, Epidemiological

Location: Mymensingh district, Bangladesh

Start Date: 00-01-2002

End Date: 00-12-2002

Program Area: Animal Health and Management

Commodity: Goat

Objectives:

To define some epidemiological parameters of rotavirus associated diarrhea in kids of Black Bengal goats

Methodology:

From January to December 2002 faecal specimens were collected from 484 diarrhoeic kids of Black Bengal goats of different areas of Mymensingh district. The collected samples were processed in the Department of Medicine, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh. The faecal samples were collected directly from the rectum of kids inserting fingers equipped with thin rubber hand gloves, maintaining all aseptic precautionary measures. The faecal materials were kept in a sterile, screw capped container. It was marked for identification. The kids were divided into 4 age groups: 0 days to 7 days of age, 7 days to 1 months of age, 1 month to 6 months of age and older than 6 months. On the other hand, the entire study period was divided into three seasons namely rainy (July-October), winter (November-February) and summer (March-June). The dates of specimen collection, age and sex of patients, important clinical signs and history, environmental situation etc were recorded properly in each case. The faecal specimens were examined for rotavirus by electrophoresis. Viral RNA from faecal specimens were extracted as described. Electropherotyping of viral RNA was carried out in 10% polyacrylamide slab gels and silver staining technique as described.

Source of Information: Bangl. J. Vet. Med. (2007). 5 (1 & 2): 59–62

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

It may be concluded that rotavirus infection is present throughout the year among goat population of Bangladesh. The occurrence is very low in very young and older goats. Regular feeding of colostral antibody can reduce prevalence of rotavirus infection in young kids. Low incidence of rotavirus diarrhoean in older goats might be due to immunological protection after multiple episodes of rotavirus infection in the same individual. The present study showed some important epidemiological parameters of rotavirus infection in Black Bengal goat kids. However, further epidemiological studies in relation to the strains of virus, antigenic structures with reference to serotypes and zoonotic potentials of rotavirus are necessary before introduction of vaccines against rotavirus diarrhea in goat kids in Bangladesh.

Knowledge Management: Journal