Curled toe paralysis caused due to deficiency of

Curled toe paralysis is caused due to deficiency of Vitamin B₂.
Curled toe paralysis is a low riboflavin diet that may cause two types of nutritional deficiency. One of these produces a rapidly acute paralysis characterized as neuromalacia and a more slowly developing form that causes 'curled toe' paralysis in the growing chick.
The signs and symptoms of riboflavin deficiency include skin disorders, hyperemia and edema of the mouth and throat, angular stomatitis, cheilosis, hair loss, reproductive problems.