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Killing rats and mice with rat poison

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best rat poison bait: photo

There are two types of rat baits: Non-toxic (natural) — to lure rats into traps and Rodenticide poison baits — to kill rodents. Here you'll find 5 best rat and mouse poisons from $11 to $65.

After eating rodents die within from several hours to several weeks: mice may die within a day. But the population of rats die more slowly, within a week or two, because they are larger than mice. Remember — poison baits are toxic and can kill any animal including your home pets (cats and dogs).

Table of Contents:

Rat Poison Ingredients: How Do Rodenticides Work

All of these baits are lethal. Rodenticides are toxic to rodents (and unfortunately also to humans) in a variety of ways.

  • Active ingredients in rodenticides that are anticoagulants (e.g., warfarin, diphacinone, and bromadiolone) disrupt the blood's ability to clot, causing internal bleeding and rodents die from internal hemorrhages.
  • Products containing non-anticoagulant affect the nervous system (e.g., bromethalin). They increase the levels of calcium in the blood, leading to kidney, liver, or heart failure (e.g., cholecalciferol). 

Rat poison ingredients are rodenticides: Diphacinone, Brodifacoum, Bromadiolone, etc.

  • First generation — poison kills rodents slowly, there are several days of feeding needed. In our days, nearly all bait for rats and mice fall into this group. They have a cumulative effect, so the rodents do not die immediately, rather within a few days. For best results, rats should eat the poisonous bait repeatedly.
  • Second generation — a single feeding is enough (Bromadiolone, Brodifacoum).

Rat poison baits are used in bait stations (such as the Protecta LP Rat Bait Station for ~$15.59).

Protecta LP Rat Bait Station: photo

Produced in blocks, chunks, pellets or bars (individually wrapped to help keep product fresh).

  • Using poison bait is generally cheaper than trapping because it is less labor-intensive, and they do not need to be checked every day. So it’s more beneficial to use poison bait in big areas and constructions – such as hangers, sheds etc., where other methods are inconvenient to use.
  • You should be aware that mice and rats can learn to identify and avoid toxic baits; this tendency is known as “bait shyness.” To avoid bait shyness, it may be necessary to prebait (offering rodents similar but nontoxic bait prior to applying the toxic bait) an area prior to using toxic baits, - states Utah State University. 
  • In territories where water is in limited supply, a liquid rat poison works great. For example, you can buy Tomcat Mouse and Rat Liquid Poison Bait (~$24.91) with Helland Rodent Liquid Poison Auto Dispenser (~$9.99).

 liquid rat poisons: photo

Rat Poison & Pets (Dogs, Cats)

There are no pet-safe poisons, as all of poison baits are created to kill rodents. Be very careful: rodenticide poisoning may occur when your pet swallows such bait. Try alternative method — electronic repellers, if you’re worried about pets, like Pack of 4 Plug-In Electronic Ultrasonic Repellents by Pest Venator (~$28.89).

Cesar Rueda from Amazon.com adds: “Please be very careful using this bait if you have a dog. Your dog may not be able to get into the bait station, but rodents have a tendency to want to hide these baits all around the backyard...”

In order your cats or dogs do not eat it in the yard by chance, you may string it up with a strong wire between a couple of fences, for example, or hide pieces of bait in landscape rocks or other places where pets can't get – and then wait for dead rats.

“Just use it carefully in garages and attics -- places where your kids and pets aren't going to find it and sample it. It's possible that a dying rat or mouse will exit and be eaten by another animal (though if you live in an urban area, the chance is low compared to a rural location) -- but my experience is that most will die near the location where you used this. Not a pleasant smell for a few days (which is why I won't use in an attic, only in a garage or storage building, where I don't have to contend with the odor)”.

Yes, poisons kill rodents. But you don't know what place to die they will choose. Dying rodents are looking for a place to die, and you are lucky if they go away. But perhaps it will happen in your home or backyard, then you will find a nasty surprise - dead rat smell. (If it bothers you, read “How to get rid of dead rat smell”).

5 Best Rat and Mouse Poisons 

Tomcat All Weather Bait Chunx, 4 lb

Tomcat All Weather Bait is easy to use and works against mice, squirrels, voles, raccoons, chipmunks and other rodents that damage your life – verified by customers from Amazon.com.

We found out that this product is just like the rat poison bait that professional exterminators use in Protecta bait stations (~$15.59), but some people think that the 4 lb. is plenty for non-commercial applications. The blocks of bait have holes to insert them onto the steel rods in a bait station, which keeps them away from other animals. You also may choose other rat bait stations because we don't recommend to use Tomcat without one.

A one-bait bucket lasts most in the summer and fall, and during winter it can last the whole season. Tomcat bait chunks work fast – a lot of people say that they began finding dead rats the next day or within the next week or two, it depends on the stage of rodent infestation in a house or attic. And, it's enough to deal with rodent problems for a very, very long time: "Once the immediate problem is resolved, I'll just leave the bait blocks in place and check them about once a month. If one is eaten, I'll replace it at once. No more rats!"

Tomcat All Weather Bait Chunx
Tomcat All Weather Bait Chunx

Tomcat All Weather Bait is easy to use and works against mice, rats, voles, chipmunks and other rodents that damage your life.

 
Price:
~$19.90

Remember that rats can gather up the blocks and take them back to their nest, where they will die. So you might think that the bait doesn’t work, because you don’t see the rats’ corpses.  

Active ingredient: Diphacinone, each packet contains 1.5 oz.

Price: ~$19.90 Check the current price

JT Eaton 709-PN Bait Block Rodenticide Anticoagulant Bait For Mice and Rats

First, rats love JT Eaton Bait – this is confirmed by Amazon customers. People are quietly leaving their homes, placing rat bait stations with this rat poison bait, and after return they find empty stations. It means that "someone" eats it!

JT Eaton 709-PN Bait for rats and mice: photo

In addition, users use this lure to get rid of gophers and squirrels, too – but we recommend placing poison bait with a bait station. This is particularly important because some users complain that after just laying the bait out on the floor, mice ate it and left the harmful (brown) granules of the bait intact, and go away. Use the Protecta LP Rat Bait Station (~$15.59) to increase the chances of getting rid of pesky rats and other rodents.

Customers also noted that, JT begins to work very quickly – one girl from Amazon said that rats in her house started to eat poison blocks on the first day after placing it at basement, and then they began to disappear gradually. If you want to break JT into pieces, it is easy to make, despite the fact that there is no hole in the center of the bait block, like a poison blocks of other brands.

By the way, one guy gives a valuable tip to other customers about using JT: “Remember, the adult rats will feed something new to their young and watch to see how they react to it, before they will eat it themselves. Be patient”. More helpful tips you'll find on Amazon.com.

The JT Eaton Bait Block rodenticide is a first generation anticoagulant bait.

Active ingredient: Diphacinone 0.005 percent

Price: ~$28.22 (144 packs of 1-ounce rodenticide blocks, peanut butter flavor) Check the current price

Price: ~$30 (144 packs of 1-ounce rodenticide blocks, apple flavor) Check the current price

D-Con Ready Mix Baitbits Mice Rats Brodifacoum 3oz (1 Tray)

D-Con Ready Mix Rat and Mouse Killer: photoThis is an old and proven killer of rats. This package contains 1 bait tray. All you do is peel back the film covering the tray with bait and place it in the approximate area where you saw the rodents.

As Amazon customers noted, D-Con Rat & Mouse Bait works on mice and rats (especially on horrible “Norweigen Warf Rats”), squirrels and chipmunks. If you want to destroy rats to the bitter end, you need to keep giving them more poison bait until they all die.

Look at the common customer's review: “My husband has been using this brand for a few years now to deter some rats that tend to live in the attic. It does help a lot, just have to make sure once use, you have to regularly check the attic for potential issues of possibly finding dead rats.”

By the way, there are a lot of other useful tips among users' feedback:

  1. Normally the activity of the mice increases in early November – be ready!
  2. You can mix it with peanut butter.
  3. Users give a tip not to resort to other methods of getting rid of rats (exterminator’s ways or glue traps, for example) at the same time as using D-Con Ready Mix Killer, they can stunt the bait’s effectiveness.

Active ingredient: Brodifacoum.

Price: ~$38.99 Check the current price 

Farnam Home & Garden Just One Bite II Bar

Farnam Home & Garden Just One Bite: photo

This rat poison comes as a solid one pound block, scored to easily break into eight 2 ounce pieces. In opinion of Amazon customers, rats really love to eat Just One Bite bait. Not only rats – this bar bait will also take care of mice, chipmunks and squirrels, too. Customers noted that this works great: One of them found a dead rat within 12 hours after he placed the bait.

Customers advise to not lose heart if it doesn't seem to work. You might have to use a larger portion for pesky mice and rats, or use Farnam bait with a trap for better results – as one of the customers that used it as bait with a couple of old-school snap traps and an electronic mouse trap said it works like a charm for him.

One of the customers said that he purchased this rat poison for ~$24.99 and left it in the bag in the room. Later he heard a rustling and other strange sounds. It turns out that the rodents found the package with the bait from the smell and badly gnawed the content! “I know you're supposed to position the poison in the critters pathway but my critter did it for me”, – he said.

You'll probably have to get rid of dead rats from your basement and other places after their lethal feeding. In such a case, we also recommend purchasing one of those long claw grip things people use to pick up trash in order to remove dead rats – such as the Unger 36-Inch Pick-Up Tool.

Active ingredient: Bromadiolone

Price: ~$24.99 (2 pc) Check the current price

Havoc Rat & Mouse Bait

Havoc Rat&Mice Bait: photo

At first, it has rather a big enough price at ~$72.35 for 40 twin packs (2 x 50 grams). This can be expensive for someone, but... As Amazon customers have noticed, it differentiates the more expensive poison bites from the budget ones: “The rodents are eating this product like mad and dying. As the ads say, it kills them and dehydrates them so there is no stink from their rotting carcasses”.

They note that Havoc Bait works great on rats and mice – at any time of the year, even in winter, because of the all-weather formulation. This bait also works on moles, someone wrote: “I use this to help control moles and it works great if you know the tricks”.

Active ingredient: brodifacoum - second generation anticoagulant rodenticide

Price: ~$72.35 Check the current price

Rat & Mouse Poison Baits Comparison Table 

Product

Type

Active ingredient

Speed of rodenticidal action

Price

Tomcat All Weather 

Tomcat All Weather Bait Chunx min: photo 

Bait blocks

Diphacinone

Kills rodents slowly, there are several days of feeding needed.

~$19.90

JT Eaton 709

JT Eaton 709-PN Rat Bait min: photo

Bait blocks

Diphacinone

Kills rodents slowly, there are several days of feeding needed.

~$28.22

D-Con  

D-Con Ready Mix Rat and Mouse Killer min: photo

Bait blocks

Brodifacoum

A single feeding is enough. 

~$38.99

Farnam Just One Bite

Farnam Home & Garden Just One Bite min: photo

Bait bar

Bromadiolone

A single feeding is enough. 

~$24.99 (2 pc)

Havoc 

Havoc Rat&Mice Bait min: photo

Granular bait

Brodifacoum

A single feeding is enough. 

~$72.35

Protecta LP Rat Bait Station

Protecta LP Rat Bait Station min: photo

Bait station

~$15.59

Tomcat Liquid Poison 

Tomcat Mouse and Rat Poison Bait min: photo

Liquid bait

Sodium salt of diphacinone

Kills rodents slowly, there are several days of feeding needed.

~$19.62

F.A.Q about Havoc Rat & Mice bait

Can I use the rat poison bait inside a house? How to do this best?

Yes, Havoc Rat & Mice bait can be used indoors. You may either scatter the granules around, or just open the packet and place it where the rats are likely to run.

There are mice in my attic. Shall I leave the bait in there? It is rather difficult for me to get into the attic, so I am afraid that the smell of dead mice will trouble my family afterwards.

The chief advantage of this bait action is that after being eaten by mice or rats it causes great dehydration in their bodies and they are eager to find the source of water or die. As a rule, they manage to leave the house – but if not, you won’t notice any strong smell. So you can leave the bait in the attic.

How long is the shelf life of the product?

You need not be worried about this: Havoc bait may be kept as long as 4 or 5 years and this period will not impact its efficiency as the packets are sealed safely.

Does Havoc Bait work on rats and mice with the same effect?

Yes, in practice the bait attracts and kills both mice and rats.

NB! You must know that rats and mice are very canny creatures, so if they see that one died from this bait they can reject eating it. So if you see that rats or mice don’t eat it, change the bait.

What Is The Best Rat and Mouse Bait for Traps?

There are a lot of options to choose from, and you should also know how to lure the pests in effectively. For the rat trap, you should choose the best bait that will work effectively on rodents in your region. This is a necessary step, because if the bait does not attract rats, they will never go for it and you'll be left with an empty rat trap and persistent problem.

Have you heard about the great rat eradication? It's an example of large campaign which directed to getting rid of rats in huge numbers. We hope that there are people amongst you who just have a small rat infestation – you can use organic baits for rat traps in order to eliminate some rats.

You can choose any of the natural baits for rat traps below:

  • Peanut butter: It's actually more effective than cheese, as we see in cartoons. Rats are very attracted to peanut butter.
  • Chocolate: Sweet chocolate definitely entices rats to come out of their places of rest and try to get some candy.
  • Bread: Plain bread or bread with a little butter on it is very effective for baiting rats.
  • String: A string is a nesting material attracts rats significantly. They use it to make their nests and keep warm. This will be an incentive to come to the rat bait.
  • Cotton: Cotton is another nesting material that can be used to attract rats.

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COMMENTS: 26
Leave a Reply
Harry86  •  Thursday, 19 April 2018 08:02
Does d-Con have an expiration date? How much will it be effective?
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Cara  •  Friday, 20 April 2018 16:52
I did not find this information on the package. But I bought a lot of packages, and used them for several years, and the bait worked!
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Paula Pinell  •  Sunday, 22 October 2017 19:25
Thank u for information
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Frank D.  •  Wednesday, 07 June 2017 17:41
I have a camp in the mountains and mice do get in. I've used the d-con bait trays and boxes with the granules. As it turns out the trays and boxes were cleaned out within a couple of days and I found the granules stored all over the camp. In boxes, between the sheets in the bunk beds and various other places that were out of the way (where they hide). This was not acceptable for me so I use traps. That way I know I got them. I've had great success with Tom Cat mouse traps baited with their liquid bait that comes in a small squeeze plastic bottle. It costs about $5 but it works great. Seem they can't resist it. It works a lot better than peanut butter. It's an on going battle but seems I'm winning.
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IRIS N. COOPER  •  Tuesday, 18 April 2017 00:50
my mice has been feeding for about a week and they are still feeding. it said ust one bite but I feel I'm only feeding them. I hate meces to pieces, help. I live in an apartment
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Marilyn  •  Tuesday, 27 March 2018 08:19
I also live in an apartment, I think I might have mice’s what is the best way to get rid of them
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CorbanDal.  •  Monday, 27 February 2017 21:43
I have recently come across a thread where rodent poisons were discussed. Someone shared their opinion that smoked sausages are the best bait for mice, what do you think about that? This was something unexpected for me!)
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Iverys2  •  Thursday, 23 February 2017 08:54
Thumbs up to the previous poster regarding the de con rat poison. We used it in our country house. Naturally, there were some rodents there and we started considering ways to remove them. We opted for poison and de con caught our attention. I won’t rant as there is enough information about this poison; all I am going to say is that we loved the result. I truly recommend it.
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Noonekillme  •  Tuesday, 14 February 2017 20:12
And what about decon rat poison? Do you know anything about it?
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Hyperr  •  Friday, 17 February 2017 18:10
I can say that this poison is quite old and it has long been on the market. When it comes to its effectiveness, it is just as helpful as such market leaders as havoc. I personally used decon when I had rodents in my pantry. We stored wheat there and successfully got rid of the pests with the help of this poison. I think it’s an excellent rat killer.
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Whiteee  •  Monday, 06 February 2017 14:24
Which mouse bait is the most effective? I heard that sunflower seeds can be used, is that true?
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Morty22  •  Wednesday, 08 February 2017 16:29
Again, there are two types of bait: non-toxic and obviously, toxic. I believe that tomcat is the best mouse bait of them. It’s my personal opinion but I formed it after reading many reviews and threads and dashboards. I would also like to emphasize havoc bait which is one of the market leaders as well.
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Shuum  •  Thursday, 02 February 2017 10:48
How does mice poison act?
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Morty22  •  Friday, 03 February 2017 12:41
As far as I know, there are two types of poison: slow-acting and fast-acting once. In general poisons affect a rodent’s nervous system once ingested, then they paralyze the animal and it dies.
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RickoMortis  •  Thursday, 19 January 2017 18:51
Simple way I kill Rats is I mix equal parts of plaster of Paris & flour mix well add a very small amount of cooking oil this attracts rats. Leave in a small plastic bag close to where you have seen Rats or rat Poo. When they eat this simple mixture it sets solid inside the rat it will die with in minutes of eating this tasty last meal & no poison in the dead rat to harm any other animal that may eat it.
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Robert  •  Friday, 13 January 2017 14:18
so if rats eat some poison, they live outside under our deck, barn and sheds. Mostly tree rats as I can see, if they eat the poison and die and our dogs find the dead ones how likely will it be for the dogs to get sick or even die?
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gary kimsey  •  Thursday, 08 December 2016 19:14
We have a mouse problem and I have no problem with poison bait. Those who insist people use humane methods either A) They dont have a mouse problem. Or B) They have yet to discover how expensive and totally ineffective they are. We bought 3 different 'live traps', two of them were too short and their tails held the trap door open so the little critters ate the peanut butter and made a U turn. The other trap they wouldn't even enter, so my advice to anyone going through this sleepless (Because they are very active at night, as you toss and turn wondering what the little savages are gnawing through.) save your money and just GET THE POISON !
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John  •  Friday, 20 March 2015 10:18

Nick, if your cat eats this block it will die, because it's poison. You should to keep attention about this moment, but don't afraid. Usually, cats don't eat it. It smell "tasty" only for rodents. I have the same situation, as you have, but I live in flat. After buying this block on Amazon I didn't see rats at home for nowadays. And my cat is still alive - and still fat =)

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Debbie  •  Wednesday, 14 September 2016 07:43
I really need to try this stuff but I am very afraid to. I have a chi mix that is a mouse killing machine if he sees a mouse.. but he also eats the mice. I try to get him to stop eating them as they carry disease some times but he runs and tears it apart and eats it so fast I cannot stop him.I sure do not want him to get a mouse that has been poisoned. I think he likes mice meat better than dog or people food and the thrill of the hunt is very appealing to him also. I just don't know what to do but one thing is for sure, I have to get rid of the mice without killing my 11 year old chi.
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Jaydee  •  Thursday, 25 January 2018 22:11
Did you find something that works PLEASE let me know i too have loved pets and i’m afraid they will eat the poisoned mice. I used JT apple bait block from amazon and it worked great but I was on alert 24 7 watching that my beloved pets didn’t eat the failing mice. Thank you in advance for your imput animal lovers understand
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C.J  •  Tuesday, 31 May 2016 05:10
Beware!!! kills the hawks and owls that eat the sick or dead mice and the creatures that eat the dead birds or mice, including cats, raccoon, fox. By killing the hawks and owls etc... we are killing the rodents natural predators that also die as slow, gruesome death.
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Dr. Brian  •  Monday, 22 August 2016 16:18
CJ... your statement is without warrant and not true with most poisons. After ingestion of the poison it is broke down and rendered safe. Plus the fact only a small amount enough to kill the rodent is on board.

Research before you report.
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Olivier Brill  •  Thursday, 08 February 2018 21:10
This total nonsense, sorry. It is dangerous to ALL creatures that eat rodents. Period. The only exception is Zinc phosphide.
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debbie  •  Wednesday, 14 September 2016 07:54
Any rat or mouse poison can kill a cat , dog, or wildlife, there is no safe amount to ingest without possible harm to an animal, especially one that dehydrates as severely as this product does. The precautions alone for usage is enough to scare some one from using the product, even if you pick up this product without gloves, it can deliver the poison through the skin of a human.This product can last a long time , just because the mouse or rat is dead , does not mean the poison is no longer effective in the dead mouse.
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Jd  •  Tuesday, 09 August 2016 16:17
C.J. Are you referring to once particular rat poison brand or all of them. We have a rat problem but don't want to harm wildlife.
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Nick  •  Wednesday, 18 March 2015 12:10

I live in my own house and I cannot say that I have big problem with rat. But sometimes I see 2-3 rats and, surely, it is not normal. I bought here JT Eaton 709-PN Bait Block to stop rats in my house and to prevent appearing of new one. But I am afraid about my cat - Is it die, if it will eat this block?

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