RETROSPECTIVE EPIDEMIOLOGIC STUDY OF DISEASES IN RUMINANTS IN KHAGRACHARI HILL TRACT DISTRICT OF BANGLADESH

Abstract

A retrospective epidemiologic study of animal diseases was undertaken at Khagrachari Sadar Veterinary Hospital during January, 2006 to December, 2010 to determine prevalence and distribution of animal diseases. According to the diseases register, a total of 3988 sick animals were examined and 53 types of diseases were identified during this period. The commonly found various diseases were worm infestation (51.5%), pneumonia and pneumonitis (7.9%), ephemeral fever (3.7%), enteritis (3.4%), mastitis(3.2%), mange (3.2%), indigestion (2.8%), anestrous(2.6%). Rest of the diseases had lower percentage than 2%. Out of 3988 sick animals, 74.7% were female and 25.3 % were male animals. Animals aged between 2-5 (A1) years had high prevalence (54.0%) and it was low in age group 8-10 years (A4), 2.4%. Prevalence of diseases was high (42.3%) in rainy season (June-October) followed by (32.5%) in winter (November-February) and lowest (25.2%) in summer season (March-May). Gastrointestinal diseases 61.6 % (2458 cases) was seen highly prevalent among all groups of animals which was followed by infectious diseases 10.4% (416 cases), skin diseases 9.4 % (377 cases), respiratory diseases 8.27% (330 cases) and reproductive diseases 7.93% (cases). This study suggests that for a period of 15 years or more will help to identify the risk factors of diseases in this area.DOI: http://dx.doi.org/10.3329/bjvm.v9i2.13457