Pathological diagnosis of infectious bursal disease in 24 weeks old vaccinated commercial laying hens in Kagarko, Nigeria: a case report
- Journal of Dairy, Veterinary & Animal Research
Ogbe AO,1 Audu Z,2 Kwaja EZ3
PDF Full Text
Infectious bursal disease (Gumboro disease) was diagnosed in 24 weeks old vaccinated commercial laying hens. Clinical signs observed were severe depression, greenish-white diarrhea and high mortality. Postmortem findings observed were ruffled feathers, congestion of the lungs, enlarged kidneys, enlarged spleens, congested ovarian follicles, pale livers, haemorrhages of the mucosa of the proventriculus and ventricular junction, enlarged, oedematous and haemorrhagic bursa of Fabricius and haemorrhages of caecal tonsils. Histopathology findings showed severe congestion of kidneys, presence of red blood cells in the interstitial spaces, tubular degenerative necrosis with dissolution of nuclear material, glomerular atrophy and increase in capsular spaces. There was severe follicular inflammation of the bursa of Fabricius evident by massive presence of inflammatory cells. Infectious bursal disease was diagnosed based on the gross pathological and histopathological findings. King herbs was administered for 5 days at dose rate 2ml/Lin the birds drinking water ad-lib and the client was advised to isolate and treat the sick birds with the drug and to enforce strict biosecurity measures. There was no mortality after the treatments.
gumboro disease, gross pathology, histopathology, laying hens