What is biosecurity on a small farm?
Biosecurity means the steps you take to keep disease from entering your farm, spreading within it, or leaving it. For a backyard flock or a few goats, that means thinking about the ways germs travel: on animals, on people, on equipment, on vehicles, on feed and water, and through wildlife and pests.
You do not need expensive systems. Most of the benefit comes from habits you repeat every day, and the first step is simply noticing where your animals meet the outside world.
Think about the main ways disease could arrive on your farm this year, and rank them. For most small farms, new animals, visitors and wild birds or rodents top the list.
How do you control visitors and boots?
Germs ride on shoes and clothing. Keep a pair of boots just for animal areas, or use a boot wash or dip at the door and clean boots first. Ask visitors who keep their own animals to stay out of your pens, or to wear clean boots and wash hands. Keep a visitor list if you have frequent traffic.
Children and neighbors love to see animals, so decide where visitors may go and put up a simple sign. Ask your vet how to clean boots effectively for the diseases that matter in your area, because mud and manure reduce the effect of any cleaner.
- Dedicated boots or a clean-boot routine
- Hand washing before and after animal contact
- Visitors from other farms stay out of animal areas
- A simple sign at the gate
What about equipment, trailers and feed?
Tools, buckets, trailers and feeders can carry disease from one place to another. Avoid borrowing equipment from other farms, and if you must, clean it well before and after. Do not share trailers without cleaning, and keep feed in sealed containers that rodents and wild birds cannot reach.
Store feed off the ground, sweep up spills and keep water sources covered or clean. Rodents and wild birds contaminate feed and water and carry disease.
Cleaning and disinfection are two steps. Remove manure and dirt first, since disinfectants work poorly on dirty surfaces. Ask your vet which products suit your equipment, and follow the label exactly.
How do wildlife and pests fit in?
Wild birds, rodents and other wildlife can carry disease to poultry and livestock. Poultry keepers are often advised to limit contact between their flock and wild birds, for example by covering runs and keeping feed and water out of reach. Ask your extension office and state veterinarian for current guidance, since it changes with outbreaks.
Keep pest control sensible and safe. Follow any product label if you use rodent control, and keep it away from animals, pets and children, since poison harms more than the target.
Keep dogs and cats out of animal housing and feed storage where possible, and wash hands after handling any animal. Different species can share some diseases, so ask your vet which mixes carry added risk.
How do you handle new and returning animals?
New animals and animals returning from shows, sales or other farms are a main route for disease. Keep them in quarantine, ask your vet what to check, and do chores with them last. Do not mix them with the herd until your vet is satisfied.
If you show animals, clean and disinfect equipment on return and keep show animals apart for a time. Rules for fairs and shows vary and may require health papers, so ask the organizers and your state veterinarian.
Ask your vet about vaccination and parasite plans too, since a healthy, well-fed animal handles exposure better. Biosecurity is one layer of protection, not the only one.
What should you do if animals get sick?
Call your veterinarian at the first sign of unusual illness, especially sudden deaths, many sick animals at once, or signs such as breathing trouble, diarrhea or swelling. Separate sick animals, limit traffic and wash hands and boots after handling them.
Disease reporting and biosecurity rules for poultry and livestock vary by state, and some diseases must be reported. Ask your state veterinarian or extension office what applies to you, and keep their numbers handy. Costs fall into categories: boots and wash supplies, sealed feed storage, fencing or netting, vet advice and your time.
Write a one-page plan with phone numbers, a clean-boot routine and a list of who may enter animal areas. Review it each season and after any outbreak news in your region.
Key takeaways
- Biosecurity is a set of daily habits, not a big expense.
- Dedicated boots, clean hands and limits on visitors cut risk.
- Clean or avoid sharing equipment and trailers.
- Keep feed and water away from wild birds and rodents.
- Report unusual illness and ask your state veterinarian about local rules.
Sources and further reading
Last reviewed: November 12, 2026. Written by the Homestead & Small Farm Editorial Team. See our editorial policy.