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heaves
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Quick Facts
Also called:
broken wind
Related Topics:
disease
emphysema
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heaves

animal pathology
Also known as: broken wind
Written and fact-checked by
Britannica Editors
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....
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History

heaves, chronic disorder of the lungs of horses and cows, characterized by difficult breathing and wheezy cough. The symptoms are worsened by vigorous exercise, sudden weather changes, and overfeeding. Heaves resulting from bronchitis may be associated with the feeding of dusty or moldy hay. In horses the condition may be of allergic origin. Chronic pulmonary emphysema also induces heaves. See emphysema.