Biotin deficiency (Nutritional dermatitis)

Occurrence. Worldwide. Species affected: All poultry. Age affected: Young and embryonic through adult deficiency.

Causes: Deficiency of biotin in diet. Bioavailability in grains is variable.

Effects: Skin sores (crusty lesions) on the toes, foot pad and beak and feather loss in young birds. Poor hatchability results from adult deficiency.

Biotin is a cofactor is carboxylation and decarboxylation reactions involving fix...

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