Differential Diagnosis, Coccidiosis & Severe Gumboro Symptoms. Actually, Coccidiosis and Gumboro is a common disease affecting chickens at a young age and very easily distinguished and diagnosed. BUT, some of the conditions case we get something different, not as usual. But,...Consider the slide carefully, what’s your conclusion, if you diagnose a disease does not perform a necropsy, just by looking at clinical symptoms or physical exams? more description, visit http://fieldcasestudy.com/differential-diagnosis-coccidiosis-gumboro/