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Information about gumboro disease or infectious bursa disease in chickens is very easy to find out there. Many credible articles, academic studies reviewing the disease (Etiology, clinical symptoms & lesions, prevention, diagnosis etc.)

But, here is just an additional information from the field. Only for discussion materials for students (veterinary, animal science) in the classroom. it may be useful.

Ok, Gumboro is a common disease found in young chickens. Cases of the disease have a high incidence rate. Breeders are more likely to have repeated occurrences of this case in their farms than Newcastle disease and avian influenza. I will not discuss the reason here.
Here I will show, that the male chicken, from the layer breed, has a high susceptibility to this disease. Some cases have severe pathology lesions. Look like the picture below !.

There is a bloody exudate out of the chicken’s vent, it’s a glance, like bloody feces coming out of the chicken intestine. We may think, that this chicken intestine occurs severe hemorrhages or severe coccidiosis lesions.

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gumboro disease or coccidiosis symptoms?

for female chicken layer breed and broiler, rarely such lesions are observed.

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gumboro disease or coccidiosis in chicken?

Look at this chicken intestine and caecum.  There is no coccidiosis.

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Gumboro disease: Chicken intestine

look at bursa of Fabricius.

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gumboro disease: bursa of fabricius

See Gumboro Clinical signs video

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Severe lesions bursa of Fabricius

See also: Other Pictures of Gumboro Disease

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Gumboro disease, lesion on muscle

See also: Infectious Bronchitis Pictures

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Gumboro disease: chicken diseases

Spleen and bursa of Fabricius

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Gumboro: Bursa of Fabricius and Spleen

 

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Gumboro

Common lesions observed by field veterinarians to diagnose gumboro are lesions of the thigh muscles, pectoral, bursa of Fabricius, kidney, and proventriculus. However, there are some lesions that are only observed in severe gumboro cases such as conjunctivitis, hemorrhages in the oral cavity, and eyes. This is very similar to some lesions caused by Newcastle disease and Avian Influenza. But there are no respiratory symptoms. Look at our other posts. Follow us.