Wormers - The Horse Forum
  • 1 Post By ApuetsoT
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post #1 of 8 Old 08-12-2020, 06:34 PM Thread Starter
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How do y'all worm? Not the fecal count thing but the brands. I used to just use whatever the barn provided but since I moved to a self care, that's not an option anymore. I do not know the brands. I have heard that there are some brands that you should never use, but I can't remember which brands they said. Also, I have heard that some people rotate and others just use the same thing repeatedly. What's the difference? Which one is "better?"

We have pretty good pasture/manure management, so I do not really need to worm often.

Last edited by GoGo5; 08-12-2020 at 06:42 PM.
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post #2 of 8 Old 08-12-2020, 06:54 PM
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Different products treat different worm and at different stage of life..
Only one I was told you not use is Quest in any form on mini horses...why I don't know but told by to many learned horseman to not take heed.

If you not know which product to use when, then consider purchasing the rotational pack combination that make your selections for you. It also comes with a guide of which when to give.

Make sure you use the correct dosage for the animals weight.
Don't over-worm and don't cheat and not use appropriate amounts because just as not giving antibiotics till finished and prescribed, worms today are becoming resistant to our products.

It also can make a difference where you live what products you use & when to administer...some products are geared for after a heavy frost to be given for optimum results as different fly and larvae arrive at seasons of the year.
Don't just buy anything but consult with your vet about which when and why as they know your animal and needs best.
Once you know which product then you can purchase and administer...if you don't know how to successfully administer ask someone to teach you and practice with a empty tube filled with applesauce as your horse will love the treat and forgive your learning how to do making your job when it is "real" easier to be exacting.


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post #3 of 8 Old 08-12-2020, 08:15 PM
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Zimectin Gold has a history of causing oral ulcers. Moxidectin works on body fat, so it shouldn't be used on miniatures or underweight horses. Otherwise there isn't enough bodyfat to appropriately release the medication. Pryantal and fenzabole have really high resistance rates and are basically useless now.

I use Equimax or Quest+ usually, something that is *dectin/prazi as I only deworm once a year.
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post #4 of 8 Old 08-13-2020, 11:23 AM
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I usually just use Equimax. I also only worm 1-2x a year, if necessary. Over-worming is not good for them, as it can be hard on their gut.

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post #5 of 8 Old 08-13-2020, 11:37 AM
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I worm twice a year spring quest plus. Fall Equimax after a hard frost.

Rotational deworming isn't recommend by my vet. Twice a year deworming is plenty. I give entire tube of wormer both horse are a 1000 lbs. Under estimating weight and under dosing isn't good. Will eventually cause resistance to the chemical class, of wormer being used.
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post #6 of 8 Old 08-13-2020, 11:46 AM
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This is a good resource from Colorado State but realize the months may change based on your location and environmental conditions as well as what is prevalent in your area or has developed resistance.


You can also type in "printable horse deworming chart" and find one for your area.

This is an example of a blanket paste dewormer schedule for the northeast U.S.

Paste Deworming Protocol: This schedule is recommended for the Northeastern United States for horses not on a continuous deworming program.( i.e. daily Strongid C 2X):
January-Ivermectin/praziquantel combination (Equimax)
March-Oxibendazole (Anthelcide)
May-Moxidectin (Quest) ( Use in horses only. We do not recommend using in miniature horses or ponies.)
May-Ivermectin (Equell) for miniature horses and ponies
July-Double dose Pyrantel Pamoate (Strongid)
September-Ivermectin/Praziquantel combination (Equimax)
November-Double dose Fenbendazole (Panacur) This can be repeated for 4 more days if horse is showing signs of small strongyle infestation (poor coat, chronic colic, diarrhea, unthrifty)
**Remember to read the active ingredient. For example fenbendazole is the active ingredient in Panacur and Safeguard.

This link shows what is recommended where I live as I am considered southeast. It goes more into resistance and temperatures necessary for egg hatch and when worming is not needed based on that.


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post #7 of 8 Old 08-13-2020, 12:49 PM
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My vet puts us on this rotation: Quest, then in 3 months Equimax, then in 3 months Quest, then in 3 months Equimax, and so on. So far so good, and our horse never has high fecal counts. We live in the Midwest.
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post #8 of 8 Old 08-13-2020, 01:07 PM
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Quest and Quest Plus are thorough wormers for a certain type of parasite that no other wormer will kill unless you use several doses of another type over a course of time. However be very careful, I use a pre probiotic paste before I worm with that or any wormer. I was very leery to use Quest again on one of my horses as he had a mild colic reaction a few days after worming with it. It was recommended to me by someone who has a degree in pharmacology, to coat the stomach wall first, hence the pre/probiotic paste. Not a problem since then.
I used to do fecal counts but I felt I was wasting my money as they always came back clear. That was about 10 years ago maybe. Now I worm twice a year, in the fall with ivermectin, and in the spring with Quest Plus. And I use the pre probiotic paste with both. I also make sure that I don't use any fly spray at least 2 weeks before I worm, as that can cause a reaction as well.

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