Vitamin A Deficiency

Vitamin A deficiency is occasionally seen in chickens and turkeys (insufficient vitamin A during 1-7 weeks of age). As in the case of other nutritional deficiencies, classic signs of deficiency are very rare in commercial poultry fed complete diets.

Signs

• Poor growth.
• Poor feathering.
• Nasal and ocular discharge.
• Drowsiness.
• Pale comb and wattles.
• Eyelids stuck shut with thick exudate