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Using Toltrazuril in the treatment and prevention of coccidiosis in dogs and puppies

I have placed the FAQs at the start of this article for those looking for specific information.

Please consider reading this article in its entirety, as it is essential to understand all aspects of this illness if you are seeking to treat or prevent it.

Frequently Asked Questions:

How do I calculate the proper dose of Toltrazuril for puppies?

Click here to use my brand-new toltrazuril calculator!!

Where can I purchase Toltrazuril?

Click here to view details in this article about purchasing options.

I purchase my toltrazuril from Total Toltrazuril. Use coupon code TOLT10 to receive 10% off of your order. You can use the code each time you order; it will not expire.

🎉 Use the toltrazuril dosage calculator for free!

Should I mix the Toltrazuril with something to flavor it?

Can I use Toltrazuril to treat coccidiosis in any age dog?

Yes! It has been shown to be safe and effective for all ages of dogs.

Can I give Toltrazuril to a pregnant or nursing female?

Yes! Though I prefer to give after whelping if being used as a preventative. This statement is based on anecdotal evidence only. Safety in pregnant and lactating dogs has not been officially evaluated.

Can I call you and ask you some questions?

No. Please do not contact me regarding dosage information or treatment recommendations. I am not a veterinarian, do not claim to be one, and do not claim to know as much as or more than one. This article was written based on personal experience and online research from credible sources. The information in this article is not intended to diagnose or treat a severe illness or disease. Always verify online medical advice with your board-certified veterinarian. Thank you!

Are you experiencing unexplainable puppy diarrhea?

I've been there.

So many breeders have been there, but not many want to talk about it.

I spent an entire year researching and developing solid prevention protocols to avoid dealing with puppy diarrhea and this horrible infection called coccidiosis, or coccidia, that young puppies are so susceptible to.

I would have saved so much time if other breeders had talked about their experiences and treatment plans that worked.

However, I found that many other breeders were too embarrassed to admit they had once had very sick puppies. Or in some cases, that puppies had died from this illness.

I made multiple Facebook posts about what I was experiencing and what had and hadn't worked for me. I desperately wanted other breeders' advice and opinions on how to get to the bottom of my puppy diarrhea.

What was the cause? How can I treat it safely and affordably? And, what could I do to prevent it?

Here is the advice that I was given over and over again:

  • "Change your kibble!"

  • "Give probiotics!"

  • "Use essential oils!"

  • "Stop breeding!"

These were not the answers I was seeking. I wanted to take a holistic approach to handling this problem. I wanted to truly understand why this was happening to my puppies.

Was it a genetic problem? Was it something that I potentially couldn't prevent in the future?

Finally, after many posts and pleas for help were made (OF COURSE I had already consulted with my primary care veterinarian, but he was at a loss!), private messages started coming in. Messages from breeders who had experienced this same problem--unexplainable puppy diarrhea. Some of them were desperate for help, just like me, but many offered treatment and prevention protocols because they had been through the same thing but were afraid to share publicly about it.

Many breeders have experienced this illness, not just you.

If you are experiencing puppy diarrhea, puppy vomiting, or other digestive-related problems, please consider treating your litter for coccidiosis.

Left untreated, the symptoms of coccidiosis can cause death in young puppies due to dehydration and malnutrition. Coccidiocides (medications used to treat coccidiosis), as discussed further in this article, do not typically interact with other anthelmintics (dewormers), medications, and supplements. They target only the protozoa (coccidia) that make your puppies sick.

Please read this article from top to bottom. There is a big difference in protocol when treating coccidiosis vs. preventing coccidiosis. It is essential to be informed of all your options before you purchase expensive medications and supplements and begin your regimen.

If you are still experiencing problems with puppy diarrhea, please see one of our other blog posts, Practical poop tips and tricks for doodle owners struggling with chronic diarrhea.

What is Coccidiosis?

“Coccidiosis is a parasitic disease of the intestinal tract of animals caused by coccidian protozoa. The disease spreads from one animal to another by contact with infected feces or ingesting infected tissue. Diarrhea, which may become bloody in severe cases, is the primary symptom. Diarrhea is typically accompanied by dehydration and fatigue. Vomiting is not uncommon for infected individuals, but a rare side effect of the infection. Most animals infected with coccidia are asymptomatic, but young or immunocompromised animals may suffer severe symptoms and death.” (

Important: Coccidia is a protozoan parasite, not an intestinal "worm." Traditional dewormers will not kill coccidia. These can include pyrantel pamoate (Nemex), fenbendazole (Safeguard, Panacur), Advantage Multi (moxidectin), etc. These products do not kill coccidia.

Severe coccidiosis symptoms can mimic the symptoms of canine parvovirus (parvo). Many breeders seek expensive treatment when dealing with coccidiosis in fear that they are dealing with parvo, when in fact, if caught early enough, coccidiosis can be very treatable at home.

How are my puppies becoming infected with coccidia?

“Puppies are frequently infected with coccidia from the feces of their mother, and are more likely to develop coccidiosis due to their undeveloped immune systems. Stress can trigger symptoms in susceptible animals.“ (

Please do not feel guilty or discouraged if you are dealing with a problem with coccidia in your kennel--but please don't ignore the problem.

This protozoan is everywhere. It can live and reproduce in the environment for a very long time and is almost impossible to destroy with disinfectants and chemicals completely. Once an animal has been exposed, it can live and reproduce inside its intestinal tract indefinitely.

And let me reiterate that all of your dogs have been exposed at some point. There is nothing you can do to prevent this exposure! Lack of exposure to coccidia is not a matter of "superior cleanliness" or "being a better dog owner." It's the luck of the draw.

Infection (showing symptoms of illness) only occurs when an animal is weak or when their immune system has been compromised. This is why it is so common for young puppies to develop coccidiosis and become ill--their immune systems are still developing and are very susceptible to parasites, viruses, and bacteria.

Your dogs have coccidia from being exposed to the infected feces of other dogs. This exposure can happen anywhere--the vet's office, the dog park, the pet store, or any public place where dogs (or wild dogs) poop on the ground. You cannot entirely prevent your dog from being exposed to coccidia in the environment.

Your puppies probably got coccidia from their mom, who passed it on to them through exposure to her infected feces. Remember, "infected feces" does not imply that the dog who passed the feces is ill. It implies that the feces contain protozoa. Your bitch is not sick because she has a robust immune system that does not allow the coccidia always be present in her body to cause illness. Still, now that your puppies are infected, they might become sick because their immune systems will not be fully developed for many months.

Why didn't my vet know my dog was infected with coccidia?

This is the most perplexing piece of the coccidiosis puzzle. Coccidiosis is very underdiagnosed in dogs, but especially in young puppies.

Coccidia is spread from dog to dog when coccidia oocysts (baby coccidia) are shed in a dog's feces. These oocysts can be shed from a dog who carries coccidia but has never been ill. These oocysts are shed intermittently, meaning they are not shed every day.

Coccidia oocysts (baby coccidia) are very tiny compared to other parasite eggs. Most vet clinics perform a "fecal float test" when looking for parasites. The oocysts detected in a fecal float test are shed intermittently as the organisms reproduce. This "floating" method of diagnosing an active coccidiosis infection is not ideal because the oocysts are either missed due to their small size or not present in the fecal sample.

Because oocysts are shed intermittently, your vet may not detect coccidia in your dog or puppy's fecal sample because the oocysts were not being shed that day. Make sense?

Please do not blame your vet for not accurately diagnosing an infection. They're simply working with what they see under the microscope, which is often nothing at all.

Continue reading to learn more about how to diagnose coccidiosis.

Diagnosing coccidiosis / coccidia

Diagnosing coccidiosis is difficult. Many fecal float tests will come back negative for coccidiosis because the oocysts are very small and, therefore in small numbers, can be almost impossible to detect. Even a tiny number of oocysts can cause infection, so fecal float tests are not always the best diagnostic tool. And, oocysts are shed intermittently, so there may not be any oocysts in your dog's fecal sample that day.

Be sure to rule out canine parvovirus (parvo) with a SNAP test while at the vet. Request a SNAP test specifically, do not allow your vet to use an antigen test. Antigen tests can quickly give false positives if your puppy has already been vaccinated against parvo.

You may request that your vet send a stool sample to the lab for further analysis, but receiving results can take days. It is in your best interest to begin treatment for coccidiosis immediately, even if a fecal float test comes back negative (as well as a negative parvo SNAP test).

The most common symptoms include:

  • Diarrhea, from loose stool to watery liquid

  • Mucus and blood present in diarrhea in severe cases

  • Poor appetite, lethargy

  • Vomiting in severe cases

  • Dehydration resulting from diarrhea (dehydration will kill young puppies very quickly)

Many breeders will report that the tell-tale sign of coccidiosis is bright yellow diarrhea. This is especially true in newborns and young puppies that have not started eating solid food yet. However, I have never experienced this "bright yellow" diarrhea. An older puppy eating solid food may not have this "bright yellow" diarrhea. Please do not rely on this anecdotal evidence as a sole diagnosis when treating a litter for coccidia.

Dehydration from diarrhea and vomiting kills puppies fast. If you suspect your puppies are dehydrated, immediately take them to the vet.

Treating coccidiosis / coccidia

Routine veterinary treatment involves using a sulfa-type antibiotic called sulfadimethoxine (Albon). This drug works by stopping the reproduction cycle of protozoa. Many experienced breeders will tell you that this method of treatment is not very effective, as it is costly, and the medication must be given twice daily for 2-3 weeks to be effective. Many breeders are also seeing a strong resistance to this medication since it has been used for such a long time.

It is typically faster and more effective to administer an anti-protozoal/coccidiosis that kills the oocysts immediately, accompanied by fluids, electrolytes, and probiotics. An antibiotic such as tylosin (Tylan) can also be very effective in clearing out gram-positive bacteria built up in the gut from the stress of infection.

Environment cleanliness is very important, though, as discussed several times in this article, eradicating coccidia from your environment is nearly impossible. We recommend you continue your normal cleaning and disinfecting protocol during a coccidia outbreak. Of course, when dealing with diarrhea, you will clean and disinfect twice as much as usual! It is essential to clean up infected feces immediately when dealing with a coccidia outbreak.

If your puppies have become lethargic and dehydrated (do a "skin pinch" test), and/or if their stool contains blood, bring them to a vet immediately.

If your puppies have persistent diarrhea (liquid/watery stool) and/or vomiting for more than 24 hours, please bring your puppies to the vet.

The protozoa themselves (coccidia) do not kill puppies. Dehydration (caused by the symptoms of coccidiosis illness) causes death in puppies. Dehydration is very serious.

It has been suggested and somewhat proven through multiple controlled studies that Oregano Essential Oil has excellent antibacterial properties. Combining this all natural product with your coccidiosis treatment protocol could result in faster recovery and prevent infection relapse. Click here to purchase.

I do not have experience using Oregano oil in my prevention or treatment protocol. However, it has been used as an antibacterial agent for centuries with many different species.

Always consult your board-certified veterinarian about any treatment plans before taking action.

Environment & facility decontamination protocol

I will not spend much time on this topic because true decontamination is nearly impossible. Coccidia is not destroyed by parvocides, traditional kennels, and household disinfectants, or bleach. The only chemical currently proven to destroy coccidia is ammonia with at least 10% concentration. This is very unsafe to use around animals. Proper ventilation and other safety protocol is required for even you to use it safely.

Furthermore, will you soak every surface in your home and your yards with ammonia every day until the infection is gone? No. This is unreasonable and a significant health hazard. Stop listening to other breeders telling you that you aren't cleaning properly. You're doing a good job if you're cleaning and disinfecting daily and not allowing your puppies to have prolonged contact with their feces and urine.

The only commercially available canine/animal disinfectant that may reduce coccidia in the environment is Rescue™. However, it has not been proven to completely eliminate coccidia from the environment.

Bleach does not kill coccidia.

Attempting to rid coccidia from your facilities and play yards will leave you discouraged, broke, and tired. In my opinion, it is a waste of time to attempt to rid your facilities of coccidia completely. I recommend developing and sticking with a reasonable and routine disinfecting protocol for your facilities, but I would not fixate on treating facilities specifically for coccidia.

Prevention protocol is applied to all future litters; thus, preventing infection is the most effective form of management.

Treating an active coccidiosis infection

Fast and rigorous treatment is imperative.

At a glance, our treatment protocol consists of the following steps: (I am not a veterinarian, and the information in this article is not intended to diagnose or treat a severe illness or disease, nor is the information in this article intended to replace the advice of your board-certified veterinarian)

  1. Keep puppies hydrated. We administer unflavored Pedialyte to each puppy individually, using a plastic syringe, several times a day to ensure that each puppy is getting fluids. If puppies are lethargic and not eating, it is time for an emergency vet visit. They need fluids right now. Dehydration kills puppies fast.

  2. Administer Toltrazuril once daily for three consecutive days. Continue reading to learn more about this life-saving drug.

  3. Administer a high-quality probiotic for the duration of treatment. Learn more about the products we prefer to use later in this article.

  4. Keep your facilities clean! No, you aren't going to get rid of coccidia completely. It is a hardy little organism that can live almost anywhere, in any environment. However, facility cleanliness is imperative. If your puppies are getting dirty, please wash them as often as needed to keep them clean, so they do not accidentally ingest large amounts of infected feces.

  5. Consider an antibiotic to clean up the gut. We use Tylan (tylosin) to clear up cases of "garbage gut."

Keep reading to learn about our preferred treatment protocol.

What is Toltrazuril?

Toltrazuril (brand name Baycox®) is an Antiprotozoal/Anticoccidial Agent. It treats and prevents coccidiosis, a condition/infection caused by a protozoan known as coccidia.

Toltrazuril was initially developed as a treatment for an equine disease called "EPM" (Equine Protozoal Myeloencephalitis). Toltrazuril is traditionally sold as an equine product. However, it is effective against protozoa in many different species of animals. Toltrazuril kills protozoa. Coccidia is a protozoan, so toltrazuril has been discovered to be an excellent form of treatment for coccidiosis.

We have also used toltrazuril safely and effectively as a preventative.

Where can I get Toltrazuril?

Toltrazuril is relatively expensive and sometimes difficult to obtain. However, if you have sick puppies, it is the best product to use as a part of your treatment plan.

Toltrazuril is available through several racehorse supply chains online. However, these suppliers have recently changed their formulas, and dog breeders have issues with product consistency.

I purchase my toltrazuril from Total Toltrazuril.Use coupon code TOLT10 to receive 10% off of your order. You can use the code as many times as you want, it will not expire.

total toltrazuril for the treatment of coccidia or coccidiosis in puppies

The products labeled for equine and livestock use are the very same products that are safe and effective for dogs. And yes, it is a very expensive product! You won't find a better price elsewhere without sacrificing quality.

I have also found that several companies market Toltrazuril for use in rabbits and birds. Toltrazuril is toltrazuril--no matter what species it is marketed for. Make sure there are no additional ingredients in the product you are buying, and make sure you are aware of the concentration of the product so that you can dose it correctly. Because this drug is unregulated for use in dogs in the US, you need to be assured of the quality of the product you are using. Be sure the company you are ordering from will provide you with quality assurance.

Why can't I find Toltrazuril labeled for dogs? Toltrazuril is not currently FDA-approved in the US. However, the FDA may allow legal importation for compassionate use in animals. Toltrazuril was first used in horses to treat EPM. The use of toltrazuril in dogs (and cats) to treat coccidiosis is recent.

We recommend purchasing a bottle of Toltrazuril 5% to keep on hand in case of an outbreak. This product is very shelf stable and will last even longer if refrigerated.

As a preventative, we have discovered that toltrazuril is very costly compared to other practical options. We will discuss these options in detail later in this article.

Toltrazuril dosing Information

Please do not contact me regarding dosage information.

The recommended dosage for the treatment of coccidiosis is between 10-30 mg per kg of body weight (5 to 15 mg per pound), once daily, for 3-5 days. For the prevention of coccidiosis, only give one dose of Toltrazuril. Preventative doses can be administered as often as once weekly for puppies ages 24 hrs-12 weeks, though this is excessive unless you have a known severe problem with coccidiosis.

To calculate dosage, you need to know the concentration of your product. This will be listed as a percentage (%) on your bottle or packaging.

For example, if you have a 2.5% solution, that is 25mg per mL. This means that 0.1cc delivers approximately 2.5mg of Toltrazuril.

Toltrazuril dosage Formula

Please do not contact me regarding dosage information.

Enter the dosage formula into your calculator exactly as it appears below to get the correct dosage for your puppy or dog. "Weight" in these formulas should be in pounds, not ounces.

5 ÷ (5 x 10) = Dose ml/lb

Dose Strength- You determine this number. This number should range between 5-15, and determines the strength of your dose. Consider a smaller number (no less than 5) to prevent coccidiosis. For the treatment of coccidiosis, consider a larger number (up to 15). Toltrazuril is considered to be relatively safe, so there is an extensive range when it comes to dosing. In my program, we use a dose strength of 5 for prevention, and a dose strength of 15 for treatment.

Product Concentration- This number is the percentage of Toltrazuril in your product. The most common concentration used by breeders is a 5% liquid. There are also 2.5% liquid suspensions (replace the “5” in the formula with “2.5”), as well as a 35% paste product (replace the “5” in the formula with “35”) currently available on the market.

Dose- Remember this dose is in ml/lb. Multiply the dose number by your dog or puppy’s weight in pounds to calculate the correct dosage in ml for that dog or puppy.

Prevention Dosage Example:

The puppy weighs three pounds, and I would like to give this puppy one dose of Toltrazuril as a preventative. My Toltrazuril suspension is a 5% suspension. I want a dose strength of 5 (for prevention). My formula will look like this: 5 ÷ (5 x 10) = 0.1 ml/lb

If my puppy weighs three pounds, then I will multiply my dosage amount by my puppy's weight in pounds; in this case, that is 3.

0.1 x 3 (puppy's weight in pounds) = 0.3ml

So he will need one dose of 0.3ml of Toltrazuril (5% suspension) as a preventative dose.

Treatment Dosage Example:

The puppy weighs three pounds, and I would like to give this puppy Toltrazuril to treat a coccidia infection. My Toltrazuril suspension is a 5% suspension. I want a dose strength of 15 (for treatment). My formula will look like this: 15 ÷ (5 x 10) = 0.3 ml/lb

If my puppy weighs three pounds, then I will multiply my dosage amount by my puppy's weight in pounds; in this case, that is 3.

0.3 x 3 (puppy's weight in pounds) = 0.9ml

So he will need one dose of 0.9ml of Toltrazuril (5% suspension) once daily for three consecutive days as a treatment dose.

Toltrazuril dosage at a Glance

The most common concentration used by dog breeders is the 5% liquid suspension. Here is a chart for convenient dosing to prevent coccidiosis in puppies under 10 pounds.

NEW! 🎉 Toltrazuril Dose Calculator

Toltrazuril Dosage Chart Using a 5% Liquid Suspension

toltrazuril dosage chart for dosing and calculating dose for treatment of coccidia or coccidiosis in puppies

Toltrazuril tastes bad

When administering Toltrazuril to my puppies, I first like to calculate how much suspension I will need to dose the whole litter. I draw that amount from the main bottle of suspension and put it into a very small dish from which I can draw smaller amounts.

It is important not to contaminate your Toltrazuril suspension with outside substances or bacteria. Use a new/clean syringe anytime you dip into your "big" bottle of Toltrazuril. Toltrazuril is very shelf stable and can last a very long time; however, if you introduce bacteria or other organic substances into the suspension by dipping it with dirty syringes, your very expensive product will become permanently contaminated.

When administering Toltrazuril to a litter of puppies, I first calculate the appropriate dose for each puppy according to desired dose strength compared to the puppy's weight. I then total all the doses together so I know how much Toltrazuril I need to dose the whole litter.

For example, if I have a litter of ten puppies, and each puppy weighs three pounds, and I am giving a preventative dose of 0.3ml per puppy, I will need a total of 3ml of Toltrazuril to dose this litter.

I draw up the total amount of Toltrazuril I need into a large plastic syringe and squirt it into a small dish. I will usually draw up 0.5-1ml extra because it is a very thick liquid that likes to cling to whatever container it is in. I then draw up an individual dose from the dish using a tiny 1ml plastic syringe. Once I draw up the dose for one puppy, I dip the syringe into some banana baby food or something of similar consistency and texture and will even draw up a little bit of baby food into the syringe. I have found that the banana helps mask yucky flavors. Banana is also a powerful prebiotic.

PRO TIP: Mix your probiotic powder of choice into the baby food!

Discard any unused Toltrazuril and unused baby food. It is essential to use new/clean syringes each time you dose and not to store baby food or Toltrazuril that have been mixed.

Keep your "big bottle" of Toltrazuril clean and clear of contaminants so it will last you a long time!

Always administer a high-quality probiotic when giving medications, anthelmintics (dewormers), or supplements.

Benebac Plus Probiotic Gel

This gel is easiest to administer to newborns and young puppies who are not yet eating solid food since you can dose one puppy at a time and ensure that each puppy is ingesting the product.

Be careful with administering probiotics and medications in a group feeding scenario. You cannot be sure which puppies are getting enough medication/supplements and which are getting too much. It is always best practice to dose puppies individually.

Probiotic Chews/Treats

Like Benebac gel, probiotic treats are a more effective way to ensure that each puppy gets the proper dose of probiotics. Probiotic treats are great for puppies who eat dry kibble and have teeth.

Purina FortiFlora

This powder is the most effective probiotic we have found. It must be sprinkled on food, so it is easier to administer to older puppies eating solid foods and adult dogs. It is very tasty, and we have never seen a dog or puppy refuse this powder as a kibble/food topper.

FortiFlora now comes in tablet form, which is very convenient for pups eating solid food! The tablets are an excellent option for pups still eating in a group feeding scenario but can chew solid food. We give half of a tablet to each puppy rather than a whole tablet and find it the most effective probiotic on the market.

Toltrazuril poop

The Toltrazuril will leave your puppy's body looking just the same as when it went in. In other words, you may notice white streaks in your puppy's stool. You may also notice that your puppy's stool looks lighter (light brown/yellow) and maybe a little slimy. If you have given Toltrazuril in the past 24 hours, this is likely the cause of your puppy's odd-looking stool.

A yellow or white stool can also indicate other serious illnesses, so if you see light-colored stool or white streaks, consider when the last dose of Toltrazuril was given. If you are seeing oddly colored stool and it has been more than 24 hours since a dose of Toltrazuril was given, please seek veterinary treatment.

What about ponazuril?

Marquis® is also a drug developed to kill the protozoa that cause EPM in horses. It is an effective drug used off-label to prevent and treat coccidiosis in dogs and puppies. However, the safety of this product when used in dogs and puppies should be questioned. Some evidence suggests it causes dry eye and eye ulcers in young puppies.

It is also important to note that ponazuril is even more costly than toltrazuril and is not any more effective when used as a treatment or preventative.

Affordable prevention protocol

Decoquinate (Deccox CocciGuard 10x) is an affordable and effective preventative. It prevents coccidia's reproduction, so the protozoa eventually die of old age. This product is a flake/powder that you mix into your puppy food. It is a very fine flake and sticks well to high-quality, fairly oily kibble. It has no flavor (we know, we have tasted it!), and dogs and puppies will not notice it in their food.

Begin feeding your puppy food coated in this product to your pregnant female two weeks before delivery. Continue feeding her this coated puppy food until the puppies are completely weaned. Wean puppies onto this puppy food, too, and continue feeding it until they leave you.

We recommend 1 cup of Deccox per 20-25 pounds of kibble. Be sure to mix thoroughly so that every piece of kibble is coated with the fine flake.

Amprolium (Corid®) is an affordable preventative option but can be a little more challenging to administer. This liquid or powder product is designed to be mixed into drinking water. It is very bitter, and some puppies and dogs refuse to drink the treated water. If you choose to use this product, you must mix it according to the directions into all water sources to be effective. Water needs to be changed and treated daily. You can also drench (orally administer using a syringe) puppies individually, but this must be done daily and can be very time-consuming. Click here to purchase.

Neither Deccox or Corid should be used to treat an active infection. Both of these products are best used to prevent infection.

Myth Busters

Several "myths" about coccidia and coccidiosis infections need to be debunked for you to develop more common sense prevention protocol and treatment plans.

Myth #1: My puppies got coccidia from my chickens (or from wild birds/animals)

According to the Merck Veterinary Manual, coccidia is host-specific.

No, your dogs and puppies are not getting coccidia from your livestock, chickens, or wild birds.

This is a very misguided notion that can cause breeders to develop unnecessary and ineffective management protocols. Puppies are contracting coccidia from their mother or other dogs. Dogs are contracting coccidia from other dogs.

Maybe dog feces from other areas or facilities are being carried into your environment by wild animals. This is unavoidable! You cannot control the bugs and birds flying from place to place! So develop good cleaning and disinfecting protocol and stick with it, understanding that solid coccidiosis prevention protocol is imperative. You cannot rid the environment of coccidia.

Myth #2: Your puppies are getting sick because you aren't cleaning and disinfecting enough

This is a dangerous rabbit hole to go down, especially for breeders who work hard to keep their facilities pristine and their puppies clean.

We already established earlier in this article that the only chemical proven to eradicate coccidia is ammonia at a concentration of at least 10%. This is not safe to use around young puppies. It is arguably unsafe to use around any living creature.

You can drench everything in sight with a 10% ammonia solution, and then one visitor can track coccidia on their shoe. One fly can transmit dog fecal matter containing coccidia from one kennel to another.

Do your best. Keep your environment clean. Properly disinfect. But don't blame yourself for this nasty little protozoan doing what it does best... surviving everywhere!!

Myth #3: Ponazuril is safer and more effective than Toltrazuril

Ponazuril is a metabolite of toltrazuril. Some breeders believe that ponazuril is easier on the liver. While this may be true, ponazuril has been known to cause dry eye and ulcers.

Ponazuril is not more or less effective than Toltrazuril. Both drugs are highly effective in preventing and treating coccidiosis. Safety has been tested with both drugs, and both drugs have been proven safe with overdoses up to 10x.


Never disregard professional veterinary advice or delay in seeking it because of something you have read or calculated on this website. If you think your pet has a medical emergency, call or visit your veterinarian or your local veterinary emergency hospital immediately.

Rebecca Creek Retrievers (Liza Marie Moon) is not a veterinarian and does not claim to be one, and will not be held responsible for incorrect dosing and/or any injuries, sickness, or death resulting from any treatments or dosages that are discussed in this document.

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