Which clinical finding is most typical of hypocalcaemia in a recently calved dairy cow before recumbency develops?
Correct answer: D. Cold ears with muscle weakness and depression
- A. High fever with painful swollen joints
- B. Severe jaundice with dark orange urine
- C. Profuse salivation with repeated swallowing
- D. Cold ears with muscle weakness and depression
Explanation
Early hypocalcaemia commonly causes weakness, depression, cold extremities, and reduced rumen motility before the cow becomes recumbent. Jaundice, joint swelling, and fever suggest other disease processes rather than uncomplicated milk fever.
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Covers the recognition, diagnosis, prevention and medical treatment of diseases affecting domestic animals, including infectious, metabolic, nutritional, toxic and organ-system disorders. It links history taking, physical examination, clinical signs, laboratory findings and differential diagnosis with appropriate therapy and herd or flock control.
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