Gumboro Disease (IBD, Infectious Bursal Disease)php

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The disease is caused by birna virus of serotype 1

The virus is very stable and is difficult to eradicate from an infected farm


IBD virus is very infectious and spreads easily from bird to bird by way of droppings. Infected clothing and equipment are the means of transmission between farms

clinical signs

Clinical IBD occurs usually between 4 and 8 weeks 

  • Listless and depressed
  • Pale and huddling 
  • Dehydration 
  • Trembling with ruffled feathers 
  • Poor appetite
  • vent pecking
  • Lessons in bursae of fabrics during necropsies


The sub-clinical version occurs in chicks less than  3 weeks, and usually, there are no clinical signs of the disease at this time . However, the affected chickens are left with permanent immunosuppression.


Farm history 

clinical sign present 

Laboratory test 


Biosecurity should be a primary focus 

Vaccination of parent breeders and /or young chicks is the best means of control

N/B No treatment is available for gumboro disease