Layer poultry3 min read
Layer farm biosecurity: 12 rules that keep disease out
Most poultry diseases walk in on shoes, egg trays, vehicles and wild birds. A practical, low-cost biosecurity plan for small and medium layer farms.
Vaccines protect against some diseases, but no vaccine protects against everything, and an outbreak of Newcastle disease or bird flu can wipe out a flock and its income in days. Biosecurity means keeping germs out of your farm and stopping them from spreading inside it. Most of it costs very little; it is mainly discipline.
How disease gets in
- People: shoes, clothes and hands of visitors, traders, vaccinators and your own workers
- Egg trays and crates that have been to the market or another farm
- Vehicles: feed trucks and egg pickup vans driving up to the shed
- Wild birds, rats and flies
- New birds of unknown health
- Dead birds left lying around
12 rules
- One gate, kept closed. Fence the farm and put up a "No entry without permission" sign.
- Footbath at every shed door, with a disinfectant made up as the label says. Change it daily, or whenever it is dirty; a muddy footbath does nothing.
- Farm-only boots and clothes. Workers change at the gate. Keep a few pairs of boots and aprons for vets and visitors.
- Wash hands with soap before and after entering each shed.
- Few visitors. Ask whether they have been to another poultry farm or a bird market that day; if yes, they should not enter.
- Market egg trays stay outside. Never bring used trays from the market into the shed. Use your own trays, or plastic trays that you wash and disinfect.
- Vehicles stop at the gate. Load feed and eggs there, not next to the shed.
- Bird-proof the sheds. Wire netting on open sides keeps out sparrows, crows and pigeons that carry disease.
- Control rats and flies. Store feed in closed containers, clean up spilled feed, and keep manure dry.
- All-in, all-out. Keep one age group per shed. After selling a flock, remove litter, wash, disinfect and leave the shed empty for at least 2 weeks before new birds arrive.
- Handle dead birds properly. Collect them at least twice a day and bury them deep with lime, or burn them, away from the sheds. Never throw them into a pond or field.
- Clean water. Treat drinking water if it comes from an open source, and clean drinker lines regularly.
Work in the right order
Each day, visit the youngest birds first and the oldest last, and visit a shed with sick birds at the very end. If possible, give sick birds their own worker.
When something goes wrong
Call your vet straight away if you see:
- Sudden deaths of many birds
- A sharp drop in eggs, feed or water intake
- Swollen heads, blue combs, breathing trouble or twisted necks
Bird flu (avian influenza) must be reported. Contact your Upazila Livestock Office quickly; early reporting protects your neighbours' farms and your own future flocks.
Write your plan on one page
Pin a simple one-page plan at the gate: who may enter, what they must do, and who to call. Train every worker on it.
Track health and losses
In FarmFlows, record daily deaths in the Layer flocks → Daily log and every vaccine, medicine and disinfection under Flock health. A rising death count or a falling laying rate shows up on the first day, which is when acting is cheapest.
Quick checklist
- Fence, one gate, sign
- Footbath at every door, changed daily
- Farm boots and clothes; hand washing
- No market egg trays in the shed; vehicles stop at the gate
- Netting, rat and fly control
- All-in, all-out with 2 weeks empty
- Dead birds buried with lime or burned
- Report suspected bird flu at once