Burt, Dave - The Roslin Institute - University of Edinburgh
Burt, Dave - The Roslin Institute - University of Edinburgh
Burt, Dave - The Roslin Institute - University of Edinburgh
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Infectious Bursal Disease• Also known as Gumboro disease• Caused by a Birnavirus (ds RNA)• Usually diagnosed at 3-6 weeks old• Spread through contaminated feed and water• Infects B-cells• Mortality can be up to 90% (usually around 20%)• Symptoms: anorexia, depression, diahorrea, ruffledfeathers, bursal lesions, immuno-suppression• Vaccination program (but different serotypes)48
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