Here’s How to Get Rid of Mice Without Killing Your Pets

If you’re interested in learning how to get rid of mice without killing your pets, you’ve come to the right place.

Fortunately, it’s a situation that I haven’t had to deal with of late. Since moving to our house in the countryside, we’ve had very few problems with mice. When we lived right in town – in an old house that was poorly insulated and even more poorly sealed – we had a ton of mice.

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In fact, just by tapping on the walls in our rental house, we could hear the mice scurrying around! Not an ideal situation, but luckily, we were just temporarily renting so we didn’t have to take any action.

We haven’t had to deal with mice in our house, since it’s a relatively new build. However, a few days ago, my husband thought he saw a mouse scuttling around near the feed supply for our chickens.

That was a bit concerning, because we definitely don’t want mice getting into our food. They can cause a whole host of problems – which I’ll tell you all about in a moment.

Luckily, it ended up not being a mouse, but instead a baby bunny that he had mistaken for the smaller rodent at first glance. Crisis averted.

Getting rid of mice on our farm would be a bit of a challenge, primarily because we have a pet dog (and dozens of other farm animals) to worry about.

While most people would choose to deal with a mouse infestation by setting baits and leaving them out where mice are usually found, that wouldn’t be an option for us with all of our animals roaming around.

Fortunately, it is possible to get rid of mice without killing your pets – you just need to try a few unique strategies in order to do so.
Signs of a Mouse Infestation

Mice come inside looking for food, water, and shelter. Your home – along with your barns, chicken coop, garage, shed, and even your garbage bins – provide the perfect habitat.

Usually, mice will nest in warm areas that are somewhat secluded, such as the space surrounding water heaters, refrigerators, or furnaces.

Mice are incredibly opportunistic. They can squeeze into seemingly impossible spaces – a space of as little as ¼ of an inch is enough for a mouse to slip through.

If given the opportunity, a mouse can sneak inside at any time of the year (although mice more often come indoors during the cold winter months).

These tiny rodents feed primarily on bits of cereal, grains, and nuts. However, they’ll eat anything they can find – and anything you might have available is fair game! Some favorite options include produce, dry goods, pet food, chocolate, cheese, and bird seed.

Mice have super sharp teeth, so the first sign of infestation that you might notice is gnawed pieces of food packaging. They can easily tear through both plastic and paper packages.

You might find shredded bits of material all around your home, too, as mice scavenge around, looking for pieces of paper and cotton to use in their nests.

You might also notice that there is food debris scattered on your shelves or in other unusual places. A lesser-known sign of a mouse infestation is a sudden, unexplained short in a light fixture or another appliance.

This is because mice are famous for chewing on (and damaging) wires. That’s yet another reason why you need to get rid of a mouse infestation once you notice signs of a problem – they can cause fires.

Mice also leave behind droppings that can collect in cabinets, near appliances, and under sinks. The droppings can sometimes be hard to see, unless there are a lot of them, so you may want to use a flashlight when you are looking for droppings in dark corners or near cabinets.

You might find the mouse nests, too. These are usually made out of things like string, shredded paper, fabric, or other pliable materials. You might hear mice scratching around in the walls at night (which, as I mentioned, was our most obvious sign of infestation in our old house).

If you have a mouse problem, you notice a musty odor. Sometimes mice leave behind markings on the walls as they move – they tend to scuttle along the walls.

Finally, if you have pets – which you likely do, if you’re reading this article – you may notice that they begin to behave strangely. They might start scratching under furniture and appliances or barking for seemingly no reason. These are all good signs that you have mice in the house!

Why You Need to Get Rid of Mice

Mice can bring a variety of health hazards into the home, so it’s important to be aware of the best ways to get rid of mice and begin treating the problem immediately. As soon as you see the signs of infestation mentioned above, you need to act.

And rest assured – if you see one mouse, there’s a good chance that there are dozens more nearby. So don’t assume that you perhaps only have one mouse living in your house. That’s probably not the case.

Unfortunately, once an infestation sets hold, it can be difficult to get rid of the mice in your house. A single mouse can reproduce up to ten times per year – so a breeding pair of mice can become a huge problem for quickly.

Mice won’t bite out of random ill will, but they will latch on if you disrupt them. Mice can spread all kinds of diseases, including salmonella, typhus, and the plague.

Mice can spread a variety of diseases, too. This is done both directly, through their bites, as well as indirectly, through their waste. Mice can spread Lassa fever, Hantavirus, and even leptospirosis. Mouse droppings can also trigger allergic and asthmatic reactions.

Your first step in dealing with a mouse infestation is to make sure it’s actually mice that you are dealing with. Mice are small, usually less than eight inches in length, and have large rounded ears.

They have excellent eyesight and like to gnaw and nibble. They can be found all over the world, except for extreme northern or mountainous regions.
Preventing Mice

The easiest way to get rid of mice is to prevent them from ever coming inside. Here are some tips.

Be Careful About Animal Feed

Whether it’s chicken food, pig food, or bird food, make sure your feed supply is well-protected. This will help keep out mice along with other invading rodents, like rats and squirrels.

Install squirrel guards on your bird feeders and put all food in airtight containers (preferably made out of metal so the mice can’t chew through).

Do not leave any food or water out overnight, either. This was one reason why we thought we may have a mouse problem – we are raising Cornish Cross chickens that like to eat (constantly) so we have been leaving a bit of food in the troughs at the end of the day. This can attract mice, so be careful!

Move the Woodpile and Trash Cans

Make sure all trash cans, compost bins, and wood piles are at least 100 feet from your house. That way, even if mice do decide to take up residence in those spots, you won’t have to deal with them in the house!

Cut Back Vegetation

Similarly, it’s not uncommon for us to see mice scurrying along in the tall grass outside of our house. I don’t mind them there – but I definitely don’t want them coming inside.

Therefore, I make it a point to keep all the vegetation (both grass and shrubs) trimmed back so mice aren’t tempted to come inside.

Clean Up Inside

Indoors, your best line of defense against mice is to maintain a house that is as spotless as possible. If you spill any food, clean it up immediately, and make sure you wash your dishes right after you use them.

All food waste and trash should be stored in mouse-proof containers. Don’t leave pet food out overnight and try to vacuum or sweep regularly to make sure there aren’t any crumbs on the floor.

How to Get Rid of Mice – Without Killing Your Pets

Start By Checking Entrances

The first step you should take in getting rid of a mouse infestation is to closely examine your home for any potential sign of infestation.

Check common entry points like the spaces where your pipes enter the basement. You can also check areas where pipes connect to various appliances, such as those that rest under your sink or fall behind the refrigerator or oven.

Mice can also get into the house by slipping in along basement foundations or around chimney vents or openings. They can also slip in along baseboards or high points where various walls come together. They don’t mind hanging out in outdoor storage areas- like near compost bins, garages, garbage bins, or sheds – either.

When you examine these entrances, take the time to closely cover and seal any gaps you may find. Mice cannot chew through steel.

Therefore, you will want to use a wire mesh screen to seal up any openings rather than more “edible” materials like insulation. You can also caulk or use steel wool around mouse holes, too.

Once you know that no more mice can get inside your house, you can take steps to eradicate their populations for good.

Be Careful Using Baits and Snap Traps

The most common method that people use to get rid of mice is to use snap traps or bait stations. These are effective and don’t cost very much per use. However, they aren’t a good idea if you have pets or small children in the home.

If your cat or dog happens to ingest mouse bait, also known as rodenticide, it can produce disastrous effects. Your pet could suffer from symptoms of poisoning like vomiting, seizures, blood in the urine, and lethargy. It can be potentially fatal.

Unfortunately, pets tend to be curious – they want to know what’s going on in that mouse trap! Many baits and traps look like toys or pet food, which can be very confusing to a pet.

This can lead to a ton of unintended effects, so if you have pets, you may be better off trying another method of mouse control instead of a trap or bait.

And just so you know, you aren’t safe by just placing a mouse bait or trap somewhere in which your pet can’t reach it.

If your cat or dog happens to eat a mouse that ingested rodenticide, that can make him or her very sick, too. Mice don’t always die immediately upon ingesting the poison, so this is, unfortunately, very common.

Consider Live Traps

Live traps are effective no-kill solutions that can be used to get rid of mice in your home. You’ll have to check and monitor the traps more frequently, but if you have pets, the extra hassle can be worth it to protect the life and safety of your favorite four-legged friend (and I don’t mean the mouse, of course).

The CDC doesn’t recommend using live traps because there is the risk of disease transmission. This is because you’ll be handling the live mouse and there’s a risk that you could be bitten.

Plus, it’s important to keep in mind that you will have to drive at least a mile away from your house to release the mouse.

Nevertheless, if you are vigilant about monitoring your live traps and you wear protective clothing while handling the live mice, you should be fine.

Try an Ultrasonic Emitter

Ultrasonic emitters work by emitting pulses of ultrasound at high frequency. You and your pets won’t be able to hear them, but the mice will – and it will drive them insane!

To keep the mice from getting used to the noise, get an ultrasonic emitter that changes the frequency and volume of its bursts.

Use Electronic Traps

Electronic traps are somewhat expensive but can be reused multiple times. They have a high success rate and work by killing a mouse with electric shock.

The units are totally enclosed – the mouse will run inside, where it will be electrocuted and killed. As you can imagine, these units pose no threat to pets since the entry points are too small for mice to get inside.

Space and Place Traps Properly

When you’re setting up mouse traps, it’s important that you set them correctly in order to actually get rid of the mice. If you’re using a live trap or another kind of trap that requires a bait, you’ll want to use a calorie-dense food, like chocolate or peanut butter.

You may be able to use baits like yarn or cotton balls in the winter, too, when mice are looking for materials to build their nests.

Wear gloves whenever you set mouse traps and deal with their contents. Set your traps close to walls – mice tend to run along the walls – and ideally in concealed areas, like behind cabinets.

Not only is this where mice tend to congregate, but you also won’t have to worry about your curious pets bumping into the traps here, either.

A common mistake that many people make when setting mouse traps is that they don’t use enough of them. You are going to want to set your traps close together, about two feet apart. In some places, you may even want to set your traps a few inches apart.

Try a Natural Repellent

These aren’t always effective, and they do take some time to work even when they are. However,e mice have a strong sense of smell, and spraying some natural mouse repellent might help prevent these pests from coming inside! Luckily, this tip won’t harm your pets, either.

Mice don’t like the smell of garlic, peppermint, and cayenne pepper. Consider making a brew by adding one of these oils to your favorite homemade cleaner.

Spray liberally around the entry points to your home – or simply soak cotton balls in the essential oil of your choosing and place them in various cracks and crevices around your home. It should do the trick!

You can also sprinkle dry herbs and spices in places where mice are known to congregate. Cayenne pepper and cinnamon are two that are particularly effective.

Grow Repellent Plants

There are some plants that mice really hate the smell of – mint is one example. Mint can also deter other pests, like ants, flies, and fleas, so consider planting some around the foundation of your home.

It should spread quickly with little maintenance required on your part and it will prevent mice from coming inside your home.

Enlist Your Pets’ Help to Get Rid of Mice

Ironically, one of the best ways you can get rid of mice without killing your pets is to enlist the help of your pets themselves!

As you probably already know, most cats – as well as many dogs – are avid hunters and will do a good job of seeking out mice and getting rid of them when they find them.

All you have to do is set your pet loose!

Hopefully, by following these tips, you won’t have to deal with a mouse in the house – and if you do, you can get rid of it safely without harming your pets.

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