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Farm Animal Practice
Oedema in cattle - causes and clinical implications
  1. Bob Michell

    Bob Michell Professor of Applied Physiology and Comparative Medicine at the Royal Veterinary College (University of London). His particular interests are fluid, electrolyte and acid-base disturbances in farm animals, companion animals and horses. His current research centres mainly on oral rehydration for calf diarrhoea and renal disease and hypertension in dogs.


OEDEMA denotes expansion of the interstitial fluid to produce either subcutaneous swelling or accumulations of fluid in the lungs, thoracic cavity, abdomen (ascites), and so on. General tissue oedema is unsightly and uncomfortable, but seldom life-threatening. Other forms of oedema are of greater clinical significance. If extensive, gut oedema causes severe disturbances, and pulmonary and laryngeal oedema are potentially lethal; so, eventually, is ascites or hydrothorax because of the interference with respiratory movements.

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