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Protect Your Chickens: Effective Strategies to Keep Rodents Away from Your Coop


Mice and rats may not pose a significant danger to fully grown chickens, but they can be bothersome. While they are capable of harming chicks, it takes an exceptionally large, hungry, and determined rodent to attempt an attack on an adult chicken.

These rodents typically view the chicken coop as an inviting shelter, especially if chicken feed is readily available for them to feast on. Just the thought of rats and mice can send shivers down your spine, and the last thing you want is to have them infesting your chicken coop.

As the saying goes, prevention is better than cure. When keeping rodents out of your coop, rest assured that they will find their way in unless you take sensible and simple precautions. It’s a situation that can happen to anyone, including myself.

In this article, I will draw upon my experience dealing with a rat infestation (and occasional mouse encounters), insights gained from professional pest controllers, and extensive research to provide the most effective methods of keeping rodents away from your precious chickens.

I will also discuss some less effective approaches you may have encountered. Remember, the first step to getting rid of them is to ensure you don’t attract them in the first place.

Important note: This page contains images of rats and mice. If you are uncomfortable with that, I advise against reading any further.

Preventing Rodent Infestation: Key Factors and Risks

As an expert on rodent control, I can provide valuable insights into when rats and mice are most likely to invade your surroundings. Understanding what attracts them is crucial in effectively managing their presence.

Let’s explore the common situations that entice these pests into your home and chicken coop.

Rodents in the countryside

  • While they can appear at any time of the year, their activity peaks from autumn through winter until spring’s warmer weather arrives.
  • Once the harvest season ends and there is a scarcity of wheat and sunflower seeds in the fields, rats and mice start seeking alternative food sources.
  • With the ground covered in snow, they are compelled to find shelter and sustenance wherever available, which often includes your chicken run.

Rats and mice in urban areas:

  • These crafty rodents reside in cities throughout the year. During the winter months, they actively search for shelter, but urban environments offer them abundant opportunities for food.
  • Rats in the city capitalize on discarded rubbish in streets, gardens, and backyards. Any form of garbage becomes an enticing food supply for them, even something as small as a discarded cup.
  • Construction sites also play a role. Rats can travel long distances, and when building work disrupts their nests, they migrate to safer locations. I experienced this when a new housing estate was constructed six miles away, and the rats infested our garden.
  • Furthermore, any food availability, whether pet or human food, is a magnet for rats and mice. Their highly developed sense of smell enables them to easily detect and track down food sources.

Keeping rodents out of your chicken coop is crucial without relying on traps or poison. While a few small field mice may not seem significant, allowing them to reside near your chickens can lead to various problems.

Why are rodents in the chicken coop bad?

  • Disease transmission and contamination: Mice and other rodents carry diseases that can contaminate the area through their droppings. Moreover, they can transmit lice, mites, or ticks to your chickens, threatening their health.
  • Feed consumption and property damage: These pests will consume your chicken feed and wreak havoc by chewing on various items, including structures and equipment. In cases where your chicken coop is wired for electricity, mice can enter the walls and gnaw on electric wires, potentially causing a fire hazard.
  • Secondary predators: Frequently, snakes, weasels, and other predators utilize the tunnels created by mice, facilitating their access to your coop and posing a threat to your chickens. Thus, eliminating mice from your coop and the surrounding area is of utmost importance.

Read more about Shed Snakeskins: A Window into the Secret Lives of Snakes in Your Garden

By understanding the factors that attract rodents and recognizing their risks, you can take proactive measures to effectively prevent their invasion and protect the well-being of your chickens.

Preventing Rodent Infestation
Credit: My Productive Backyard

Detecting Rodent Presence in a Coop 

Recognizing the signs of rodent activity in your chicken coop is essential for timely intervention. While it’s usually quite obvious when mice have infiltrated the coop, certain behavioral changes in your chickens can serve as indicators.

Pay attention to the following signs:

Chicken behavior:

  • Your chickens may start avoiding certain areas of the coop and exhibit signs of fear or unease.
  • Droppings may be found in the feed or where chickens don’t typically defecate.

Structural damage:

  • Mice are notorious chewers who gnaw through various materials to secure your animals. Look for signs of damage to wiring, wood, plastic, vinyl, aluminum, or any other protective elements.
  • Ordinary chicken wire is insufficient, as mice can easily chew through it. Opt for galvanized steel wire to prevent their entry.


  • Mice construct nests using anything they can chew through and dismantle. This could include feed bags, hay, straw, or feathers.
  • Nests can be found in various locations within the coop, such as pet food bags, shelves, corners, under the building, or integrated into the coop’s structure.

Once you have identified evidence of unwanted critters residing in your coop, it’s crucial to eliminate them and prevent further infestations. Consider the following tips:

Signs Indicating a Rodent Problem:

Apart from observing holes and tunnels around the coop and run, there are additional signs that suggest a rodent issue or their attempts to establish a home in your chicken coop. Look out for the following indications:

  • Round 2-3″ holes and tunnels in the ground surrounding the coop and run area.
  • Piles of freshly dug dirt around the chicken coop and run.
  • Evidence of gnawing along the base of the coop door.
  • Damaged cords and wires resulting from rodent chewing.
  • Presence of rodent droppings (e.g., rat droppings).
  • Round holes chewed in feed bags.
  • Items knocked off shelves.
  • Missing eggs or baby chicks.
  • Eggs relocated from nesting boxes to the floor or ground.
  • Rustling noises when approaching the coop after dark.
  • Torn window screens (underscoring the need for 1/4″ or 1/2″ welded wire and regular screens on all windows).
Signs Indicating a Rodent Problem
Credit: Fresh Eggs Daily

Remember that rodents are primarily active at night, so spotting their movements during the day might be challenging. However, installing trail cameras can capture their activities after dark, providing valuable evidence of their presence.

Read more about The Wonders of Chicken Vision: Insights into the Visual World of Chickens

5 Easy Steps to Ensure Your Chicken Coop Isn’t a Rat Hangout

Ensuring that your chicken coop remains free from rats and mice is crucial, and contrary to popular belief, it is entirely possible. These rodents are attracted to chicken coops due to the abundance of food, not because of the chickens themselves.

By cutting off their food supply, you can prevent them from considering your coop a convenient fast-food outlet. Here are five simple steps to safeguard your chickens:

Step 1: Securely store chicken feed

Understanding a few key facts about rats is essential:

  • Food is their primary motivation, as they consume up to 10% of their body weight daily.
  • Rats possess an exceptional sense of smell, enabling them to detect chicken feed from a considerable distance.
  • They are agile jumpers, capable of leaping up to 3 feet vertically and 4 feet horizontally.
  • Rats possess strong gnawing abilities, except when it comes to metal. Keep these characteristics in mind when storing your chicken feed. Opt for metal containers with secure lids to prevent rats from gaining access.
  • Feed bags and plastic containers are easily breached, making them ineffective. Remember, even the smallest opening is an invitation for rats to invade. A metal container with no holes is the only solution.

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Step 2: Utilize a treadle feeder

Imagine the shock of finding a rat inside your chicken feeder. To prevent such incidents, invest in a treadle feeder.

These feeders have small entry points that rats cannot access, ensuring the feed remains untouched. While they may be expensive, the peace of mind and savings on feed make them worthwhile.


Step 3: Manage compost heaps

Compost heaps are attractive to rats and mice, particularly if they contain cooked food scraps.

To control this issue, reserve open compost heaps near the chicken run for green compost materials such as leaves, grass, dead plants, flower heads, and straw bedding from the coop. For kitchen waste, consider using enclosed compost piles available at garden centers.

These enclosed structures prevent rodents from accessing the compost and causing harm to your flock.

Step 4: Maintain cleanliness in the coop and run

While treating your chickens with occasional treats is enjoyable, ensure no grain is left on the ground after feeding. Leftover grains act as magnets for rats and mice.

Additionally, regularly clean and aerate straw bedding in the coop, as rats are adept at hiding within it. Neglecting proper maintenance may result in rats nesting near the chickens’ nesting boxes and potentially stealing eggs.

Step 5: Trim grass and shrubbery

Rats despise open spaces and prefer to stay near boundaries whenever possible. Overgrown shrubbery and grass provide ideal hiding places for rodents, allowing them to establish nests and travel undisturbed to access food sources.

Keep the area around your chicken coop well-trimmed and devoid of excessive vegetation to discourage rodents from residence.

Rats and mice also dislike light and predators, so installing sensor lights can be a deterrent, although persistent rodents may eventually brave the light if food is available.

Following these five steps can effectively discourage rats and mice from infiltrating your chicken coop. Remember, proactive prevention is key to ensuring the safety and well-being of your chickens.

Read more about A Guide to Preventing and Treating Common Chicken Illnesses

Expert Tips to Safeguard Your Chicken Coop from Mice

Mice and rats are unwelcome guests in your chicken coop; eliminating them and preventing their return is essential.

Here are some expert ideas to keep these pesky pests at bay:

Eliminate Food and Water Sources

To effectively eradicate rodents, it’s crucial to stop providing them with a convenient food service. Remove feeders and waterers from your coop and runs at dusk, and clean up any spilled rations that might attract rodents.

Store your feed in tightly sealed metal containers or heavy-duty lidded plastic totes, regularly inspecting the plastic ones as rodents can chew through them.

Avoid leaving kitchen scraps, pressed seed, suet cakes, or other treats in areas frequented by your chickens, as these can also attract rodents. Likewise, don’t leave pet food or wild bird feeders outside overnight as rodents can quickly detect them.

If you store household garbage outside, keeping it inside your garage in rodent-proof containers is best. If you have fruit trees, regularly pick ripe fruit and remove fallen fruit from the ground. Collect your hens’ eggs daily to eliminate another potential food source.

Lastly, avoid leaving sprinklers on at night as they can provide a water source for rodents. Check your garden hoses for leaks that could create standing water for rats to drink from.

Weed Out Nesting Materials and Hiding Places

Rodents will use anything available to create their nests, including their fur. Avoid using straw or lawn clippings in your chicken runs, as rats can hide and use them as nesting material.

Keep your lawn well-mowed to eliminate tall grasses that provide hiding spots for rodents, and ensure you trim or weed whack any plants that grow taller than 12 inches near your coop, run fence, and other structures.

Regularly check and close any openings in vents to prevent rodents from using blown-out dryer lint as nesting material. If possible, close these openings with quarter-inch hardware mesh.

Eliminate piles of junk on your property, as rodents are attracted to cluttered hiding places. Neatly stack firewood at least 18 inches off the ground and away from walls and fences to discourage rats from using it as dens.

If you’re dealing with roof rats, trim branches that overhang your coop or run and prune back any ivy growing on walls or branches that touch the ground, as these can provide access points for rodents.

Evicting Resident Rodents

Although taking preventive measures will make your coop and property less inviting to rodents, you may still need to address existing infestations. Snap traps are effective for rat control. Set them near burrow entrances, runways, and heavily traveled areas.

Use peanut butter, oatmeal, pet food, or chicken feed as bait, but set up the traps only when your flock is securely locked up for the night and your pets are indoors. Remember, snap traps can harm curious animals, so exercise caution.

Remove the traps during the daytime, preferably before chickens investigate them, just like other food sources. Electronic traps that lure rats with ultrasonics and zap them can also be highly effective.

Glue boards work well for mice but are less effective for larger rats. Another option is to use colony traps, which can catch multiple mice simultaneously. These traps resemble small cages with one-way doors to prevent mice from escaping.

No bait is needed if colony traps are placed against walls along normal travel routes. Check the traps frequently, and have a plan for dealing with the trapped mice. It may take time for rats to enter the traps, but once one goes in, others will likely follow.

Evicting Resident Rodents
Credit: Backyard Chicken Coops

Apply Rodenticides with Caution

Rodenticides should be used as a last resort and with care around livestock or poultry. Always place poisons in containment boxes, the legally recommended method in most areas. Ensure the boxes are securely locked to prevent access by non-target animals.

Poison blocks are preferable to pellets as they can be fastened inside the box, making it more difficult for rodents to remove them. Avoid using the same rodenticide repeatedly, as rodents can develop immunity to the chemicals.

Change the type of rodenticide frequently to prevent this. Keep the boxes well-maintained and regularly restocked with poison. Be mindful of secondary poisoning to domestic animals and wildlife that may consume poisoned rodents, although the risk of secondary poisoning is rare.

Store feed in airtight containers

 To discourage mice from being attracted to the scent of chicken feed, ensure that all unused feed is stored in secure, airtight containers.

Removing the enticing smell of food will make your coop less appealing to rodents. Some chicken owners even remove the feed at night when chickens don’t eat to discourage rodent visits.

Choose suitable flooring material

The type of flooring you select for your coop is essential. Dirt floors are more vulnerable to predator breaches but easier to clean. Concrete floors are effective at keeping pests away, but they can be expensive and unsuitable for DIY projects.

Remember that wood floors can harbor mites and other parasites, so careful maintenance is required.

Build a covered chicken feeder

Consider constructing a covered feeder, such as a treadle feeder. While it may take some time for chickens to adjust to using it, this feeder keeps the food protected and inaccessible to rodents throughout the day.

Seal all holes and cracks

Carefully inspect your coop and seal any openings that mice can squeeze through, even holes as small as a pencil eraser. Remember that rodents are excellent at finding their way in, so fortifying your coop’s foundation is crucial to prevent infestations.

Regularly clean the coop

Maintaining a clean environment by replacing the bedding and promptly removing chicken waste. Cleaning up spilled feed and promptly disposing it in a compost pile will prevent attracting mice to the coop area.

Keep the surrounding area clean

Mice often come out multiple times a day to feed and tend to live within a 20-foot radius of their food source. Eliminate potential hiding spots by keeping the perimeter of your coop free from clutter, such as hay bales, woodpiles, leaves, and debris.

Construct a high fence

Build a fence that is at least 18 inches tall around your coop. While most chickens can easily fly over it, the barrier will deter rodents from entering. Ensure the fence is made of galvanized steel wire to prevent rodents from gnawing through.

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Consider a raised coop

Raised coops offer enhanced security compared to ground-level ones, as they make it difficult for predators to dig or burrow underneath.

This design also helps prevent floor rotting. If possible, consider pouring a concrete floor for added protection, although this can be costly and not always a do-it-yourself option.

By implementing these expert tips, you can create a safer and more rodent-resistant environment for your chickens. Say goodbye to unwelcome guests and ensure the well-being of your feathered friends.

Ensuring Safe and Effective Rodent Control for Your Chickens

When addressing rodent issues around your chickens, avoiding harmful poisons and traps that can pose risks to your flock and other pets in your backyard is important.

Poisons not only have the potential to harm your chickens directly but can also lead to secondary poisoning if predators consume poisoned mice. Therefore, it’s crucial to explore alternative methods for rodent control.

Traditional snap traps, electronic traps, and glue traps are designed to kill rodents but come with their own concerns. Handling traps with dead rodents inside can pose health risks, as rats and mice carry dangerous diseases.

It’s essential to prioritize keeping these disease-carrying pests away from your coop and not rely solely on chickens to eliminate the mouse problem.

Ensuring Safe and Effective Rodent Control for Your Chickens

Snap traps and poisons are not viable for chickens or other pets due to the risks involved. Poisons can unintentionally harm birds of prey, such as hawks, eagles, and owls, which may consume poisoned mice and suffer fatal consequences.

Snap traps are also hazardous around children, pets, and chickens. While traditional spring-loaded mousetraps pose a danger to your flock, you can exercise caution by using humane traps like Hav-a-Hart or similar alternatives.

When using mouse traps, choosing the right bait is important to attract rodents effectively. The most effective bait options include peanut butter, cheese, grains, wet cat food, Nutella, chocolate, seeds, nuts, marshmallows, gumdrops, jam, deli meat, hard-boiled eggs, and dried mealworms or grubs.

Once rodents are captured in the humane trap, they should be relocated far from the chicken coop or disposed of appropriately.

Remember the following key points:

  • Avoid providing an easy food source for rats, as they carry diseases and can even prey on small chicks.
  • Secure your grain in sturdy, covered, metal containers and keep your coop and run well-maintained to minimize available food sources.
  • Consider investing in a treadle feeder to ensure no grain is left uncovered at any time.
  • It’s important to educate others that chickens themselves don’t attract rats and mice, but rather the presence of food does.

When it comes to rodent disposal, extra precautions are necessary due to the diseases and parasites carried by these pests. Use disposable gloves to handle the rodent’s body, double bag it in plastic bags, and promptly dispose of it in your garbage bin.

Avoid leaving a rodent in a trap for an extended period as it can attract insects and potentially become a food source for other rats and scavengers in the area.

By implementing these expert tips and strategies, you can effectively control rodents around your chicken coop while prioritizing the safety and well-being of your flock and other pets.

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