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bursal
(redirected from Infectious bursal disease)

   Also found in: Dictionary/thesaurus, Acronyms, Wikipedia 0.21 sec.
bursal
emanating from or pertaining to bursa.

infectious bursal disease
a disease of 3- to 6-week-old chickens caused by an Avibirnavirus which primarily and selectively destroys B lymphocytes in the bursa of Fabricius resulting in a secondary immunodeficiency. Clinical signs are variable and include diarrhea, feather ruffling and droopiness. Death is often a consequence of septicemia associated with normally nonpathogenic strains of bacteria such as Escherichia coli or Salmonella spp. The morbidity in an initial outbreak will be 100% and the mortality up to 30%. Called also Gumboro disease, infectious avian nephrosis.

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In addition, the company has developed and markets Bursaplex(R), the first in ovo VNF(R)-based vaccine for inoculating against infectious bursal disease (IBD).
 
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