Context: Retrospective study gives a comprehensive idea about the disease problems in animal upazila level under the DLS.
Objective: The study was conducted to determine diseases/disorders based on age, system affected, case type and season variation.
Materials and Methods: A retrospective study was undertaken in dairy cattle to identify the health disturbances that affect the growth and production at Upazila Livestock Office, Pirganj, Thakurgaon, Bangladesh from January 2013 to December 2015.
Results: Out of 4618 cases, 48.42% and 6.37% diseases/disorders were found in heifer and calf respectively. Digestive system was mostly affected (31.14%) followed by reproductive system (16.85%), musculo-integument system (14.45%) and lowest in cardiovascular system (0.78%). The most common general and systemic diseases/disorders were parasitic infection (18.67%), anorexia (11.34%) and fever (9.15%). The predominant production and reproductive diseases were repeat breeding (35.22%), anestrus (19.54%), dystocia (12.34%) and retained placenta (9.43%). The most common surgical interventions were myiasis (27.88%), hernia (21.36%) navel ill (13.65%) and fracture (11.87%). Among the congenital anomalies, atresia ani (81.23%) was mostly reported. Statistically significant variation of diseases in different seasons was also noted and rainy season (37.02%) ranked top. All animals reported at Upazila Livestock Office, Pirganj, Thakurgaon were reared under integral farming system within the owner households. Parasitic infestation becomes high due to 65% of the owner did not follow anthelmintic schedule properly. Under the reproductive diseases repeat breeding and anestrus mainly occurred due to nutritional deficiency (45.23%). Artificial insemination (85%) was practiced but 27% respondents complained heifer/cow fail to conceive due to poor semen quality or faulty techniques of insemination.
Conclusion: Percentages of occurrence of diseases were higher in heifer and digestive system is mostly affected reported at Upazila Livestock Office, Pirganj, Thakurgaon.