Jeffers Ivermectin (1.87%) is a broad spectrum horse dewormer used to aid in the control of large & small strongyles, pin worms, lung worms, roundworms and bots. Single Dose Read More
Featured Advice from Our Experts
Common types of worms and a description of each plus what to use to deworm when (printable rotation chart in link at bottom.)
Jeffers Ivermectin Horse Dewormer (1.87%)
A broad spectrum dewormer for horses used to aid in the control of large & small strongyles, pinworms, lungworms, roundworms, bots and more. This new gel formula treats up to 1250 lbs in body weight, kills internal parasites and helps control 46 species and stages of worms and bots.
Aids in the Control of:
- large and small strongyles
- stomach worms
All horses should be included in a regular parasite control program with particular attention paid to mares, foals, and yearlings. Foals should be treated at 6-8 weeks of age and routine treatment repeated as needed. Consult a veterinarian for a control program to meet specific needs.
Note: May be used in horses of all ages, including mares at any stage of pregnancy. Stallions may be treated without adversely affecting their fertility.
Any use of a product that is not clearly defined on the label directions should be done only under the supervision of a qualified veterinary professional.
- Brand: Jeffers
- Active Ingredient: Ivermectin (1.87%)
"Effective and Affordable"
Ivermectin is a great product and Jeffers makes it very affordable! Thank you Jeffers!!!
"Great flavor "
According to the horses .They seem to not mind the flavor
"Affordable & it works"
Used this for many years with my seasonal rotation it’s affordable and it works on all size horses, my drafts require two tubes and at this price you can’t go wrong. Jeffers as always excellent product, fast shipping & worth paying the exchange rate.
A great inexpensive way to keep horses dewormed without paying high retail prices from other brands of dewormer. Plus it works great!
Have been into showing and breeding horses 55 plus yrs. Never used any other type of wormer in my program. My horses worked well, foaled easy and bred... all with no problems. Barn babies as well as pastured horses. Great prices is a super bonus!
The price is good and the product really works
"Used it for years now"
It's affordable, it does the job, it's easy to administer. I use it for horses and dogs and may for others after doing some research.
Have used for years. No problems. love the low price.
I love this dewormer. Price is right and great product.
"Good product at a great price"
Have bought the Jeffers prooduct for years and use it regularly. I combine it with Quest Plus to boost the power of the quest after 30 days.
"Ivermectin horse wormer"
Great stuff! I use it on horses and dairy goats. Works great! Great value.
"Can’t beat the cost!"
I administered this to all my horses and even the picky ones liked it. So easy and the best deal! I’ve already restocked. Thanks Jeffers
"Inexpensive and Effective"
A good dewormer to include in your arsenal against internal parasites.
All products are great, arrived on time love shopping with Jeffers.
I always use this product in my dewormer rotation for my horses. Easy to order and receive. Very great price, too!
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