A cow with prolonged dietary deficiency develops poor growth, rough hair, and difficulty seeing in dim light. Which deficiency is most likely?
Correct answer: D. Vitamin A deficiency
- A. Vitamin B12 deficiency
- B. Vitamin C deficiency
- C. Vitamin K deficiency
- D. Vitamin A deficiency
Explanation
Vitamin A deficiency can cause poor growth, rough coat, impaired epithelial health, and night blindness. Adult ruminants usually obtain adequate vitamin C and several B vitamins through normal metabolism and rumen microbial activity.
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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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