Purchasing Power

What drives your deworming product selection decision?

My veterinarian's recommendation
My stable manager's recommendation
Strategic rotation of chemical classes
What my neighbor/friend is using
Fecal exam results
What I've always used
Other (comment below)

Total votes cast: 783

Comments & Write-in Answers

New research shows lots of resistance forming and we have no new dewormers being developed.

8/31/2009 4:55:08 PM

reading latest research, etc

8/31/2009 4:41:44 PM

My vet likes daily wormer with Ivermectin or Quest in spring and fall

8/31/2009 2:20:46 PM

I use a dewormer of diatomaceous earth with probiotics and vitamins Works great, avoids super worms.

8/31/2009 2:13:55 PM

My barn rotates chemicals every two months.

8/30/2009 2:25:01 PM

I do fecals at least 4 times a year then worm according to the results.

8/29/2009 10:39:30 PM

A strategy is good only if it actually works. My vet recommends FECs to find out & it saves $$, too

8/29/2009 4:47:03 PM

Large number of horses on 20 acres necessitate de-worming every two months

8/29/2009 2:12:11 AM

Each spring I start with a fecal exam and go from there. After that - it's rotation...

8/28/2009 10:09:59 PM

Quest Plus and ivermectin

8/28/2009 9:26:35 PM


8/28/2009 7:16:14 PM

rotation and price

8/28/2009 3:43:23 PM


8/28/2009 6:12:16 AM

just Zimectrin every 8 weeks

8/28/2009 1:40:55 AM

I try to keep educated on efficacy and scheduling of various compounds and use them accordingly

8/28/2009 1:08:45 AM

Food grade DE + fecal results

8/27/2009 9:50:25 PM

And price!

8/27/2009 6:19:28 PM

I believe in mixing up my wormers so resistance does not develope., every 30 days

8/27/2009 5:38:18 PM

Although it has come to my attention how many people don't know or use a rotation of wormers.

8/27/2009 4:46:24 PM

a lecture I attended emphasizng the current problem with deworming product immunity

8/27/2009 3:18:40 PM

After intense research, found great rotation schedule, checked with vet, she tried to steal for self

8/27/2009 3:07:42 PM

Rotating 2 types for best results

8/27/2009 11:25:26 AM

fortunately I have several large pastures and the horses rotate themselves parasite infestation low

8/27/2009 12:52:18 AM

read current literature and evaluate products accordingly

8/26/2009 7:02:22 PM

Rotate at 2-month intervals with Praziqauntel in Sep and Moxidectin in Dec & Feb.

8/26/2009 7:00:29 PM

I do my own research into the types of dewormers that I use

8/26/2009 6:55:08 PM

I use product & regimen recommended by mini horse breeders

8/26/2009 4:53:58 PM

With the economy the way it is, cost is a big factor

8/26/2009 4:08:29 PM

price determines a lot

8/26/2009 3:16:55 PM

the price of the product

8/26/2009 3:10:07 PM

research,fecal exam, vet rec, animal and pasture conditions,usually 4 times/year with rotation.

8/26/2009 2:55:18 PM

My vet has done much research on dewormers, so I trust his recommendations.

8/26/2009 2:51:00 PM

rotate through 3 classes, using a "powerpac", 2xpyrantel, and adding Praziquantel

8/26/2009 2:41:54 PM

price and time of year

8/26/2009 2:35:16 PM

Price I use ivermectin and mail order for 8 horses

8/26/2009 11:46:57 AM

Follow charges and recommendations

8/26/2009 11:25:23 AM

Rotation of classes, based on veterinarian recommendations. Modified as recommended.

8/26/2009 10:36:12 AM

and price

8/26/2009 10:18:54 AM


8/26/2009 10:01:25 AM

What the horse Journal recommends

8/26/2009 9:59:49 AM

Price also matters

8/26/2009 9:08:15 AM

Change it up. Use something different every worming.

8/26/2009 9:01:27 AM


8/26/2009 8:25:12 AM

I use a daily wormer and 4 times a year with paste

8/26/2009 7:50:38 AM

What's effective - ivermectin with occasional rotation to a class to get tapes

8/26/2009 7:10:31 AM

I always choose well-known brands, not whatever is cheapest

8/26/2009 7:05:43 AM

deworm on a full moon, you get a greater kill as the worms are hatching at this time

8/26/2009 1:26:58 AM

daily wormer with Ivermectin Gold every 6 months

8/26/2009 12:41:36 AM

I switched to pellets, easy for me to administer dosage

8/26/2009 12:34:43 AM

past experience & information from articles on the topic.

8/26/2009 12:18:28 AM

ingredients being equal, then would choose one easiest to administer.

8/26/2009 12:17:37 AM


8/26/2009 12:11:01 AM

Targeting the most likely worms de jour

8/26/2009 12:01:07 AM

I always rotate chemical classes to keep ahead of parasites at their different life stages.

8/25/2009 11:26:27 PM

we've always been taught to rotate wormers

8/25/2009 10:10:36 PM

Daily Strongid 2X and yearly Ivermectin

8/25/2009 10:01:30 PM

my vet gives good advice!

8/25/2009 9:49:49 PM

I use eraquell pellets for the older ones & equest for the others, dont change brands as these work

8/25/2009 9:17:54 PM

Daily wormer and 2x year vet administered paste

8/25/2009 9:14:50 PM

Worm in the spring and fall for tapes other 4 times regular ivamectrin

8/25/2009 9:07:10 PM

and they love the apple flavor...much easier to give

8/25/2009 9:05:19 PM

Ivermectin subbed out with pyrantel pamoate and praziquantel every fourth dose

8/25/2009 9:04:03 PM

I also use fecal egg counts

8/25/2009 8:47:19 PM

Price and the type of parasites the product will remove

8/25/2009 8:45:06 PM

I board my horse and the barn requires all to be on daily feed through w/twice yearly ivermectin.

8/25/2009 8:40:25 PM


8/25/2009 8:35:52 PM

using what has proven to work for me in the past

8/25/2009 8:20:49 PM

My vet does all the worming, so my horse gets whatever her vet uses.

8/25/2009 7:48:14 PM


8/25/2009 7:47:44 PM

Tapewormer once yr/alt Ivermecterin /Strongid

8/25/2009 7:36:55 PM

program approved by my vet

8/25/2009 7:05:08 PM

The latest research and findings from the Equus Magazine

8/25/2009 6:44:39 PM


8/25/2009 6:41:41 PM

We talk to the vet and other horse people

8/25/2009 6:38:48 PM

Weather conditions, time of season, and predominate parasites

8/25/2009 6:31:52 PM

also what my holistic Vet recommendation,I do not use chemical dewormers

8/25/2009 6:30:31 PM

Price and Quantity needed.

8/25/2009 6:06:14 PM

I do fecal exams quarterly and deworm or not and with what accordingly.

8/25/2009 5:58:04 PM

my horse colicks with the weaker products go figure

8/25/2009 5:54:03 PM

my reading on the subject along with price

8/25/2009 5:39:06 PM

The Horse's great articles about wormers and fecal exams!

8/25/2009 5:32:57 PM

rotate class,and go with brand(company) I trust

8/25/2009 5:23:51 PM

research, vet recommendation and palatability

8/25/2009 5:21:08 PM

with the wormer resistant strains becoming more common targeting the exact parasite is paramount.

8/25/2009 5:16:34 PM

cost & efficacy

8/25/2009 5:13:55 PM

PRICE ! I know enough to do a strategic rotation. But I can buy from multiple sources.

8/25/2009 5:07:05 PM


8/25/2009 4:58:45 PM

What the Mill puts on sale...but we also rotate.

8/25/2009 4:44:27 PM

It's also a matter of what's worked well before, vet rec's.

8/25/2009 4:44:13 PM

Mostly ivomec, occasionally panacur

8/25/2009 4:43:18 PM

Next deworming session I plan on rotational by buying a year's supply of the prepackaged wormers

8/25/2009 4:37:42 PM

what's on sale

8/25/2009 4:37:12 PM

current research by the company

8/25/2009 4:34:34 PM

Equimax w/ Praziquantel every 60 days

8/25/2009 4:31:39 PM

I have 4 horses in an area not very large.

8/25/2009 4:22:39 PM

Rotation and not over worming

8/25/2009 4:14:15 PM

Our stable manager is exceptionally knowledgeable; has done a lot of research. She knows her stuff.

8/25/2009 4:11:15 PM

I also consider health and exposure of horses; environment, vet, AAEP,

8/25/2009 4:09:10 PM

Ivermectin seems to do the job....and is very reasonable in price...I own 25 horses and deworm 3-4 m

8/25/2009 4:05:33 PM

Proper use of wormers, 2x per year Daily wormer: weanlings thru yrlg yr.

8/25/2009 4:02:50 PM

Use a daily wormer, some indication it may help prevent reinfection of EPM

8/25/2009 4:01:20 PM

Chemical class and price

8/25/2009 3:59:51 PM

And time of year

8/25/2009 3:59:01 PM


8/25/2009 3:55:39 PM

Equimax in the Spring and Fall; Ivermectin inbetween.

8/25/2009 3:54:14 PM

Strategic rotation every 2 mos + Strongid 2x Daily

8/25/2009 3:38:55 PM

what worms are present at that particular time of year

8/25/2009 3:32:14 PM

We rotate, but shop for value as well.

8/25/2009 3:27:46 PM

Safety - I use an herbal rather than chemical wormer and then have FEC's done

8/25/2009 3:18:37 PM

It also depends on what time of the year it is. For instance I worm for tapes and bots in late winte

8/25/2009 3:11:14 PM

Combination of fecal results the worming products that have given good results.

8/25/2009 3:04:03 PM

Daily wormer to take advantage of colic surgery coverage

8/25/2009 2:58:27 PM

I have a draft so I am influenced by weight limits within a chemical class

8/25/2009 2:56:50 PM

Most of the time I try to find dewormers for larger classes of horses-need bigger sizes

8/25/2009 2:53:41 PM

Most of the time the price of the product.

8/25/2009 2:53:25 PM

utilize latest research on resistance plus FEC results

8/25/2009 2:50:49 PM

but mostly, what is on sale!

8/25/2009 2:42:00 PM

Also go by price

8/25/2009 2:29:59 PM

I follow rotation of the chemical classes according to directions from my veterinarian

8/25/2009 2:29:56 PM

rotational care with most economical product picked for purchase

8/25/2009 2:26:40 PM


8/25/2009 2:21:00 PM


8/25/2009 2:17:38 PM

cost and time of year.

8/25/2009 2:08:19 PM

I read everything i can about dewormers and decide which is the best and what is offered at the stor

8/25/2009 11:35:16 AM