Background: Cattle are affected by many infectious and noninfectious diseases that can lead to economic losses to the farmers in terms of reduced growth and production performance and mortality. Objectives: This study was conducted to investigate the prevalence of infectious and noninfectious diseases of cattle in Chittagong district of Bangladesh. Methods: A total of 2614 clinical cases were diagnosed at five different veterinary hospitals in Chittagong district of Bangladesh during the year 2013. Disease diagnosis was made on the basis of owner's statement, general examination, clinical signs, gross pathology, and laboratory procedures. Data were analyzed to determine disease prevalence in cattle with respect to breed, sex and season. Results: Diagnosed diseases were categorized as infectious diseases, parasitic diseases, digestive disorders, metabolic diseases, respiratory diseases and other diseases. According to our results, the prevalence of digestive disorders was the highest (45.14%) followed by parasitic diseases (30.64%), infectious diseases (9.49%), respiratory diseases (3.90%), metabolic diseases (3.18%) and other diseases (3.18%). Disease prevalence was highest in Cross-bred cattle (44. 23%) followed by Red Chittagong cattle (28.46%) and Non-descript Deshi (27.31%). Female were more susceptible to diseases (54.32%) than male cattle (45.68%). Disease prevalence varied according to seasons. Highest prevalence was recorded in summer season (37.49%) followed by rainy season (34.81%) and winter season (27.70%). Conclusions: Our large set of data on cattle disease prevalence in Chittagong district of Bangladesh provides valuable insight to design and implement priority based research on specific disease and to take efficient control strategies against the diseases.

Results of the study may add value to bovine tuberculosis eradication campaigns to achieve the One Health initiative.

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The present study was conducted to investigate the incidence of gastrointestinal parasitic diseases in cattle that were sick and brought to veterinary hospitals for treatment. Fecal samples were collected from the rectum and examined by direct smear method and helminths identified by the presence of characteristic eggs in the feces. This study was carried out with three age groups: calves (<1 year), young (1-3 years), and adult (>3 years) and three different consecutive seasons (winter, summer, and rainy) during the periods of January 2018 to December 2018. The highest incidence was found in infestation with Fasciola spp. (43.63%) followed by Toxocara spp. (35.75%) and Haemonchus spp. (7.87 %). The rainy season showed the highest degree of parasitic occurrence (45.55%) compared to summer (32.12%) and winter (22.42%) seasons. A higher incidence of Fasciola spp. (46.66%) was found in the rainy season whereas Toxocara spp. (45.94%) in winter and Haemonchus spp. (15.09%) in summer. The percentages of Fasciola spp. (57.14%) infection was more in adult cattle while Toxocara spp. (68.88%) were predominant in calves. A higher percentage of infection was recorded in females than in males. The results of the study provide an epidemiological forecast in the distribution of gastrointestinal parasitism in different age groups of cattle and seasonal variation of occurrence which can assist the clinicians for the diagnosis of such parasitic infections and necessary steps for prevention and control measures against them.