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"Crazy chick disease" in poultry is caused by the deficiency of
EXPLANATION
Vitamin E & Selenium Deficiency Pathologies
- Nutritional Encephalomalacia in Poultry:
- Commonly termed "Crazy chick disease":
- Caused by a primary dietary deficiency of Vitamin E ($\alpha$-tocopherol), exacerbated by diets high in oxidized or polyunsaturated fats.
- Pathology: Lipid peroxidation of capillary endothelial membranes in the cerebellum causes cerebellar hemorrhages, ischemic necrosis, and liquefaction.
- Clinical Signs: Severe ataxia, retropulsion, head retraction (opisthotonos), twisting of the neck, and cycling leg movements.
- nalysis:
- (Vitamin E): Correct.
Correct option: (4) Vitamin E
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