Question:
Characteristic ‘goose-stepping’ gait in pigs occurs due to deficiency of -
Characteristic ‘goose-stepping’ gait in pigs occurs due to deficiency of -
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Goose-stepping in pigs is a classic, highly specific board-exam question. Always link it to Vitamin \(\text{B}_5\) (Pantothenic acid) deficiency.
Updated On: Jul 6, 2026
- Thiamine
- Pantothenic acid
- Riboflavin
- Tocopherol
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept:
In swine nutrition, deficiencies of specific B-complex vitamins can cause localized demyelination of peripheral nerves, leading to characteristic locomotor deficits.
Step 2: Detailed Explanation:
1. "Goose-stepping" is a distinctive clinical sign in growing pigs where they lift their hind legs high in a stiff, military-style gait.
2. This neurological sign is caused by a deficiency of Pantothenic acid (Vitamin \(\text{B}_5\)).
3. Pantothenic acid is an essential precursor of Coenzyme A (CoA), which is required for fatty acid and myelin synthesis.
4. Deficiency leads to progressive sciatic nerve degeneration and demyelination, causing the characteristic gait.
Step 3: Final Answer:
The correct option is 2, which corresponds to Pantothenic acid.
In swine nutrition, deficiencies of specific B-complex vitamins can cause localized demyelination of peripheral nerves, leading to characteristic locomotor deficits.
Step 2: Detailed Explanation:
1. "Goose-stepping" is a distinctive clinical sign in growing pigs where they lift their hind legs high in a stiff, military-style gait.
2. This neurological sign is caused by a deficiency of Pantothenic acid (Vitamin \(\text{B}_5\)).
3. Pantothenic acid is an essential precursor of Coenzyme A (CoA), which is required for fatty acid and myelin synthesis.
4. Deficiency leads to progressive sciatic nerve degeneration and demyelination, causing the characteristic gait.
Step 3: Final Answer:
The correct option is 2, which corresponds to Pantothenic acid.
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