Sorry for the quietness, my daughter and I got sick last week. We are much better now, thank God😊 Now let’s get cracking and learn about eggs! SHELL (Outer Protection) 🥚Made of calcium carbonate (~94%) 🥚Contains 7,000-17,000 tiny pores for gas exchange 🥚Allows oxygen in, carbon dioxide and moisture out 🥚Bloom/cuticle: invisible protective coating that seals pores SHELL MEMBRANES (Two Layers) 🪺Outer membrane: attached to shell 🪺Inner membrane: surrounds egg contents 🪺Together create barrier against bacteria 🪺Separate at blunt end to form air cell AIR CELL 💨Forms as egg cools after laying 💨Located at blunt/large end 💨Grows larger as egg ages (moisture loss through pores) 💨Freshness indicator: small air cell = fresh egg! 💨Provides oxygen for hatching chick ALBUMEN (Egg White) Four distinct layers: 🥚Outer thin albumen: watery, closest to shell 🥚Outer thick albumen: gel-like consistency 🥚Inner thin albumen: surrounds yolk 🥚Inner thick albumen: cushions yolk Functions: 🐓Protein source (primarily ovalbumin) 🐓Shock absorption/cushioning 🐓Antimicrobial protection 🐓Water reservoir for developing embryo CHALAZAE (Twisted Cords) 🪢White, rope-like strands on either side of yolk 🪢Anchor yolk in center of egg 🪢Keep yolk suspended and protected 🪢More prominent = fresher egg! 🪢Completely safe to eat YOLK (Nutrient Center) 🟡Contains most nutrients: fat, vitamins, minerals 🟡Color varies by hen’s diet (darker = more carotenoids) 🟡Surrounded by vitelline membrane (holds yolk shape) 🟡Germinal disc: small white spot where embryo develops if fertilized VITELLINE MEMBRANE 🪺Clear membrane surrounding yolk 🪺Weakens with age (old egg yolks break easily) 🪺Keeps yolk contents contained Egg Formation Timeline: Total time: 24-26 hours per egg! 🐓Yolk formation: ovary 🐓Albumen added: magnum (3 hours) Membranes added: isthmus (1 hour) 🐓Shell formed: shell gland (20+ hours!) 🐓Bloom applied: just before laying Your turn: ❓Ever noticed the chalazae and wondered what they were?

How chickens eat is just as important as WHAT they eat! Understanding natural feeding behavior helps us create healthier environments. Natural Foraging Behavior: WHAT CHICKENS DO NATURALLY: 🐓Spend 50-90% of daylight hours foraging! 🐓Scratch ground to uncover food 🐓Peck 14,000-15,000 times per day 🐓Eat small amounts frequently throughout day 🐓Select varied diet: seeds, insects, plants, grit WHY FORAGING MATTERS: 🐔Mental stimulation and enrichment 🐔Physical exercise 🐔Natural behavior expression reduces stress 🐔Nutrient diversity 🐔Better gut health Confined Feeding Challenges: WHEN FORAGING IS LIMITED: 🐥Birds eat complete ration in 15-30 minutes 🐥Leaves hours of unfulfilled pecking motivation 🐥Can lead to feather pecking, aggression 🐥Boredom-related behaviors increase 🐥Reduced activity and exercise BEHAVIORAL NEEDS UNMET: Research shows chickens are HIGHLY motivated to forage—even when food is freely available, they prefer to “work” for it! Feeding Patterns: NATURAL RHYTHM: ☀️Peak feeding: early morning after roost ☀️Moderate throughout day ☀️Second peak: late afternoon before roost ☀️Fill crop before nighttime fasting CROP FILLING: Chickens store food in crop for overnight digestion. Late afternoon eating ensures full crop at roost time. Improving Confined Feeding: SCATTER FEEDING 🐓Scatter scratch grains in bedding 🐓Encourages natural scratching/foraging 🐓Extends feeding time 🐓Provides mental stimulation MULTIPLE SMALL MEALS 🐔Mimics natural grazing pattern 🐔Reduces competition at feeders ENRICHMENT FEEDING 🐥Hang cabbage/lettuce for pecking 🐥Scatter treats in straw 🐥Use puzzle feeders 🐥Offer forage blocks FEEDER MANAGEMENT 🐣Adequate space: 2-4 inches per bird (linear feeder) 🐣Multiple stations reduce bullying 🐣Height appropriate for bird size Free-Range Benefits: NUTRITIONAL: 🐓Access to insects (protein!) 🐓Fresh greens (vitamins) 🐓Natural grit sources 🐓Varied diet BEHAVIORAL: 🐔Full expression of foraging instinct 🐔Reduced aggression 🐔Better feather condition

I don’t know about where you are, but in southeast Oklahoma we are getting a lot of rain! Hence the topic😊 Ever notice some chickens stay dry while others look like drowned rats? Let’s explore the fascinating science of feather waterproofing! The Preen Gland (Uropygial Gland): 🪶Small gland at base of tail 🪶Produces oily, waxy secretion 🪶Bird spreads oil throughout feathers during preening 🪶Contains waxes, fatty acids, antimicrobial compounds How Waterproofing Works: FEATHER STRUCTURE: 🪽Interlocking barbs create physical barrier 🪽Barbules “zip” together like Velcro 🪽Water beads up and rolls off Breed and Species Differences: HIGHLY WATER-RESISTANT: 🦆Ducks/Geese (dense down + heavy oiling) 🦆Game birds, Leghorns (tight feathering) LESS WATER-RESISTANT: 🐓Silkies: Feathers lack barbicels—CAN’T zip together! 🐓Frizzles: Curved feathers trap water 🐓Polish/Crested: Head feathers absorb moisture Why Some Birds Get Wetter: 💦Molting (incomplete coverage) 💦Nutritional deficiencies 💦Damaged feathers 💦Parasites Health Risks: Wet feathers lose insulating ability—hypothermia risk! Silkies and frizzles especially vulnerable in cold rain. Management Tips: ✓ Covered run areas for vulnerable breeds ✓ Dry roosting always available ✓ Good nutrition supports feather quality ✓ Dust bathing maintains condition Your turn: ❓Do you have “rain-challenged” breeds needing extra protection? ☔ ❓Who runs for cover during rain and who doesn’t care? 🌧️

Ever seen your chickens “freaking out” in the dirt, flapping and rolling around? They’re not having a seizure—they’re dust bathing! Let’s understand this essential behavior. What IS Dust Bathing? A natural maintenance behavior where chickens work fine particles (dust, dirt, sand) into their feathers, then shake it out. It’s not just fun—it’s critical for health! Why Chickens NEED to Dust Bathe: PARASITE CONTROL 🪳Smothers and removes external parasites (lice, mites) 🪳Fine particles clog parasites’ breathing apparatus 🪳Helps dislodge eggs and nymphs from feathers FEATHER MAINTENANCE 🪶Removes excess oil and debris 🪶Distributes preen oil throughout plumage 🪶Keeps feathers clean and functional SKIN HEALTH 🐥Removes dead skin cells 🐥Absorbs excess moisture 🐥Maintains healthy skin condition The Dust Bathing Process: 1. Bird scratches shallow depression in loose material 2. Squats down, works material into feathers with vigorous movements 3. Flaps wings, rolls side to side 4. Shakes vigorously to remove particles 5. Preens feathers back into place Typical session: 20-30 minutes! What Makes Good Dust Bathing Material: BEST OPTIONS: ✓ Fine, dry dirt/soil ✓ Sand (play sand or construction sand) ✓ Wood ash (cool, from untreated wood) ✓ Mixture of dirt + sand + ash PARTICLE SIZE MATTERS: 🐤Too coarse = doesn’t penetrate feathers well 🐤Too fine (like flour) = respiratory irritation 🐤Ideal = fine sand consistency Creating Dust Bathing Areas: OUTDOOR: ☀️Dry, sheltered spot (under roof overhang, tree) ☀️Loose, fine soil ☀️12+ inches deep ☀️Protected from rain INDOOR (for confined flocks): 🐔Large container (tire, kiddie pool, wooden box) 🐔Fill 8-12 inches deep with sand/dirt mixture 🐔Place in dry area of coop 🐔Refresh when compacted or soiled Behavioral Importance: Research shows dust bathing is a HIGHLY MOTIVATED behavior. Birds denied access show increased stress and frustration—they NEED this outlet! Signs of Inadequate Dust Bathing: ❌ Increased external parasite loads

One of the most common—and frustrating—respiratory diseases in backyard flocks. Let’s understand MG and why it’s so persistent! What IS Mycoplasma gallisepticum (MG)? A bacterial infection that causes chronic respiratory disease (CRD). Unlike most bacteria, Mycoplasma has NO cell wall, making it resistant to many common antibiotics. The Big Problem: LIFELONG CARRIERS Birds infected with MG are carriers FOR LIFE—even after symptoms resolve. They continuously shed bacteria and can infect other birds. Clinical Signs: Respiratory: 🐔Foamy/watery eyes (hallmark sign!) 🐔Nasal discharge (clear or cloudy) 🐔Sneezing, coughing 🐔Swollen sinuses (puffy face) 🐔Rattling/gurgling breathing sounds Production: 🐥Decreased egg production 🐥Poor growth in young birds 🐥Increased susceptibility to other infections How It Spreads: Vertical Transmission (Egg): 🐣Infected hens pass MG through eggs to chicks 🐣Major source in hatcheries without testing programs Horizontal Transmission (Bird-to-Bird): 💦Respiratory secretions 💦Contaminated water/feed 💦Close contact required (doesn’t survive long in environment) Diagnosis: Requires laboratory testing—visual symptoms alone aren’t definitive. Blood tests or PCR testing available through veterinary diagnostics. Treatment Reality: 💊Antibiotics (tylosin, tetracyclines) reduce symptoms but DON’T cure 💊Birds remain carriers after treatment 💊Symptoms may return during stress Prevention Strategies: PURCHASE CLEAN BIRDS ✓ Buy from NPIP-certified, MG-tested sources ✓ Ask for testing documentation ✓ Most important prevention step! BIOSECURITY ✓ Quarantine new birds 30+ days ✓ Test before introducing to flock ✓ Don’t mix flocks ✓ Clean boots/equipment between coops CULL INFECTED BIRDS? Many commercial operations cull positive birds. For backyard flocks, this is a personal decision considering: will you hatch eggs? introduce new birds? sell birds/eggs? Key Fact: Once MG enters your flock, it’s nearly impossible to eliminate without completely starting over and sanitation.