infectious bronchitis
nounDefinition of infectious bronchitis
1 : a virus disease of chickens marked by inflammation of the bronchial tubes and abundant secretion of mucus interfering with respiration and causing gasping and choking that is often fatal in young birds and in adults seriously interferes with egg production — compare infectious laryngotracheitis
2 : any of various infective diseases of the bronchial tubes (as in horses or cows)
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