Major management factors associated with reproductive performance and disorders in cows at Rajshahi region of Bangladesh

Background: The present study was conducted with the objective of assessing major factors that affect reproductive performance and disorders dairy cows in Rajshahi region. Methods: A cross-sectional during period from January 2014 to June 2015. Data on herd size, feed quality, breeding, grazing, management system, disorders, age at puberty, firs calving, post-partum heat period, service per conception, days open calving interval 500 were collected farm owners by administering a questionnaire. We recorded important diseases contacting farmers mobile phone visiting farms. effect rearing quality preventive measure evaluated analysis variance Duncan multiple range test. Unpaired T-test used compare according breeding. Chi-square test between two categories dichotomous outcome.. Results: first 26.42±0.22 m, 35.48±0.22 121.85±3.48 days, 1.93±0.04, 136.80±3.57 401.04±3.94 respectively. Farm size had significant (P<0.05) all traits (RT) except conception open. best (RP) found small farm, good feed, AI breeding method veterinarian. Among anoestrus, abortion, repeat retained placenta most prevalent followed dystocia, mastitis, vaginal prolapse, pyometra, metritis, uterine milk fever, still birth. highest prevalence (RD) intensive system (39.8%). RDs higher artificially inseminated (59.6%) than those bred natural (19.0%). Conclusion: revealed lower RP RDs. better large medium Good should be offered cow for performance. Artificial insemination also preferred Measures control undertaken herds housing system.