
Chicken Health 101: Common Diseases, Prevention & Natural Care
, by Majella Gee, 23 min reading time
, by Majella Gee, 23 min reading time
You’ve set up the coop, chosen your breeds, and your chooks are happily scratching away. But here’s the reality check: chickens get sick. And when one bird goes down, the whole flock can quickly follow. The good news? With sharp eyes and good husbandry, most problems can be avoided—or spotted before they spiral.
Let’s get into the nitty-gritty of what you should actually look out for, how disease spreads, and how to keep your flock thriving without pumping them full of chemicals.
Early Warning Signs: What’s Normal vs What’s Trouble
Healthy chickens are busy little workers—scratching, pecking, dust-bathing, and gossiping with each other. Here’s when to worry:
👉 Bottom line: If a chicken looks “off” compared to the rest of the flock, investigate.
Common Problems in Backyard Flocks
🕷️ Mites & Lice
🪱 Worms
😮💨 Respiratory Issues
🦠 Marek’s Disease
🐓 Coccidiosis
🐔 Fowl Pox
How Disease Spreads: Stress, Overcrowding & Dirty Coops
Here’s the ugly truth: most backyard chicken illnesses aren’t “bad luck.” They’re preventable.
👉 Chickens are tough—but not invincible. A little neglect quickly turns into a big flock problem.
Food: The Foundation of Health
We’ll dive deep into feed in a dedicated blog, but it needs a mention here—because diet underpins everything.
👉 A bird on scraps alone is a bird headed for health problems. Balanced nutrition matters.
Biosecurity Basics: Protecting Your Flock
It sounds over-the-top, but one sick bird can wipe out your whole flock.
Natural Management: Building Resilience
📝 Quick-Check Health Chart
Sign |
Possible Cause |
Natural Response |
Pale combs/wattles |
Anaemia, parasites, poor diet |
Check for mites/lice, boost diet with greens, garlic, oregano |
Fluffed up, lethargic |
Worms, coccidiosis, respiratory issue |
Inspect droppings, add ACV to water, ensure ventilation |
Sudden drop in eggs |
Stress, overcrowding, parasites |
Reduce stress, check coop space, parasite check |
Wheezing/coughing |
Damp coop, poor ventilation |
Clean/dry bedding, add herbs like thyme/oregano to diet |
Dirty vent |
Worms or diarrhoea |
Rotate pasture, boost gut health, add garlic/ACV |
Bald patches/pecking |
Mites, lice, overcrowding |
Dust bath with ash/herbs, check stocking density |
Final Thoughts: Prevention Beats Cure
Chickens don’t come with a vet-on-call, and most backyard owners won’t fork out for one anyway. Your real power lies in prevention—clean, spacious housing, natural support, and paying attention to early signs before they spiral.
And remember: vaccines, feeds, and chemical “fixes” may look like an easy answer, but they’re not the same as true health. Strong natural immunity, solid husbandry, and a watchful keeper? That’s the real secret to a thriving flock.
✨ Majella’s no-fluff verdict: Most chicken deaths in backyards are preventable. Overcrowd them, slack off on hygiene, or ignore the warning signs—and you’ll pay for it. Care properly, and your flock will reward you with years of eggs, antics, and endless entertainment.
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