Biotin deficiency in poultry causes an ascending dermatitis with lesions first on the feet, which then appear on the skin around the beak and eyes.  Symptoms in chickens are similar to those of pantothenic acid deficiency.

Biotin deficiency, poultry

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Digital Credit: Melissa Foster

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Rights: No rights reserved - image is in the public domain

Description: Biotin deficiency in poultry causes an ascending dermatitis with lesions first on the feet, which then appear on the skin around the beak and eyes. Symptoms in chickens are similar to those of pantothenic acid deficiency.

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