🔍 Nutritional Deficiencies: Visual Signs in Chickens

Your chickens are constantly communicating their nutritional status - if you know what to look for! Let’s decode the visual signs of common deficiencies.

PROTEIN DEFICIENCY

🪶Poor feather quality, ragged appearance

🪶Slow feather regrowth during molt

🥚Reduced egg production

🪶Cannibalism/feather pecking increases

CALCIUM DEFICIENCY

🥚Thin, soft, or shell-less eggs

🥚Misshapen eggs

🐥Rickets in young birds (bowed legs, soft bones)

🐓“Cage layer fatigue” (weakness, unable to stand)

VITAMIN A DEFICIENCY

💦Watery eyes, crusty discharge

🐥Poor growth in chicks

💨Increased respiratory infections

🥚Reduced egg production

VITAMIN D DEFICIENCY

🐥Rickets (soft, bent bones)

🥚Thin eggshells despite adequate calcium

🐥Leg weakness in growing birds

VITAMIN E/SELENIUM DEFICIENCY

🐔“Crazy chick disease” (head tremors, walking backward)

☠️Sudden death in young birds

🪶Poor feathering

B VITAMIN DEFICIENCIES

➰Curled toe paralysis (Riboflavin)

🐥Dermatitis, crusty skin (Pantothenic acid)

🐓Perosis/slipped tendon (Manganese/Choline)

🐣Poor growth, weakness

THIAMINE (B1) DEFICIENCY

✨“Star gazing” (head pulled back)

✨Neurological signs, convulsions

Prevention is Key:

✓ Feed complete, formulated poultry feed (90% of diet!)

✓ Store feed properly (vitamins degrade over time)

✓ Use feed within 6-8 weeks of milling

✓ Supplement only when needed, not routinely

Your turn:

❓Ever spotted a deficiency sign in your flock? What tipped you off? 👀

❓What’s your feed storage situation - airtight containers, original bag, or “I should probably upgrade”? 🗑️

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The Healthy Coop Collective

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Vet-led community for backyard poultry keepers. Dr. Nisana, DVM, provides expert guidance on flock health, disease prevention, nutrition, & wellness.

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