Overall prevalence of infectious diseases by their causal agents in Sonali chickens in Kishoreganj district of Bangladesh during the period from March 2018 to February 2019 

Overall prevalence of infectious diseases in Sonali chickens by age in Kishoreganj district of Bangladesh during the period from March 2018 to February 2019 

Overall prevalence of infectious diseases in Sonali chickens by season in Kishoreganj district of Bangladesh during the period from March 2018 to February 2019 

Post-mortem findings of ND; (A) pinpoint hemorrhage at the tip of the proventricular gland and (B) hemorrhage in caecal tonsil 

Post-mortem findings of IBD; (A) hemorrhage at the junction of proventriculus and gizzard and (B) hemorrhage in thigh and breast muscle 

Post-mortem findings of coccidiosis; (A) bloody caecum and (B) caecum with clotted blood