Which vitamin deficiency can cause polioencephalomalacia in a sheep?
Correct answer: B. Thiamine deficiency
- A. Vitamin C deficiency
- B. Thiamine deficiency
- C. Vitamin K deficiency
- D. Riboflavin deficiency
Explanation
Thiamine deficiency is associated with polioencephalomalacia, producing cortical neurologic signs such as blindness, opisthotonus, and seizures. Vitamin C and vitamin K deficiencies cause different clinical syndromes and are not the usual cause.
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