Question:
The disease caused by vitamin E deficiency in chicks is known as:
The disease caused by vitamin E deficiency in chicks is known as:
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Vitamin E deficiency causes three major syndromes in chicks:
1. Encephalomalacia ("Crazy Chick Disease")
2. Exudative diathesis (severe edema)
3. Nutritional muscular dystrophy
1. Encephalomalacia ("Crazy Chick Disease")
2. Exudative diathesis (severe edema)
3. Nutritional muscular dystrophy
Updated On: Jul 8, 2026
- Polyneuritis
- Scurvy
- Curled toe paralysis
- Encephalomalacia
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The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept:
Vitamin deficiencies in poultry lead to characteristic clinical syndromes. Vitamin E functions as a lipid-soluble antioxidant protecting cellular membranes from oxidative damage.
Step 3: Detailed Explanation:
Let us identify the vitamin deficiency associated with each disease in chicks:
1. Polyneuritis: Caused by Thiamine (Vitamin B1) deficiency, leading to nerve degeneration and stargazing posture.
2. Scurvy: Caused by Vitamin C deficiency (rare in poultry as they can synthesize Vitamin C).
3. Curled toe paralysis: Caused by Riboflavin (Vitamin B2) deficiency, affecting the sciatic nerve.
4. Encephalomalacia ("Crazy Chick Disease"): Caused by Vitamin E deficiency. It results in hemorrhages and demyelination in the cerebellum, leading to ataxia, head retraction, and rapid leg movements.
Thus, Vitamin E deficiency in chicks causes encephalomalacia.
Step 4: Final Answer
The correct option is (D).
Vitamin deficiencies in poultry lead to characteristic clinical syndromes. Vitamin E functions as a lipid-soluble antioxidant protecting cellular membranes from oxidative damage.
Step 3: Detailed Explanation:
Let us identify the vitamin deficiency associated with each disease in chicks:
1. Polyneuritis: Caused by Thiamine (Vitamin B1) deficiency, leading to nerve degeneration and stargazing posture.
2. Scurvy: Caused by Vitamin C deficiency (rare in poultry as they can synthesize Vitamin C).
3. Curled toe paralysis: Caused by Riboflavin (Vitamin B2) deficiency, affecting the sciatic nerve.
4. Encephalomalacia ("Crazy Chick Disease"): Caused by Vitamin E deficiency. It results in hemorrhages and demyelination in the cerebellum, leading to ataxia, head retraction, and rapid leg movements.
Thus, Vitamin E deficiency in chicks causes encephalomalacia.
Step 4: Final Answer
The correct option is (D).
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