Ecovet Blog

New Scent Is Here!

Just in time for another dreaded fly season, Ecovet fly repellent for horses now has an improved scent based on customer feedback.

Ecovet founder and veterinarian Dr. Tim John describes the new fragrance as an "herbal blend of lavender with a hint of tea."


A totally different type of fly spray, Ecovet is not a pyrethrin/pyrethroid derivative, nor is it an essential oil product. Instead, Ecovet's formulation is 5% each of three different food-grade fatty acids, 84% volatile silicone oil and 1% fragrance. After Ecovet is applied, the three fatty acids evaporate at different rates and create a vapor barrier around the horse. This barrier prevents insects from locating the horse as a potential victim by confusing and overwhelming the bugs' normal directional ability, their "GPS." 

"For our new fragrance formulation, the challenge was to find something that blends nicely with the inherently musky scent of natural fatty acids. We tested many things, but we believe this new herbal blend is a game changer!" explains Dr. John.

The new scent does not impact Ecovet's well-known effectiveness in the battle against flies. 

Ecovet protects horses from flies, gnats, mosquitoes, ticks and lice. Ecovet also improves insect-related skin sensitivity by stopping bugs from finding and landing on horses in the first place. "If a horse isn't bitten, there's less chance for hypersensitivity, aka the dreaded sweet itch," says Dr. John.

An EPA-registered product, Ecovet comes in an 18-oz. bottle and 1-gal. refill, as well as a travel size. Horse owners can look for Ecovet containers with gold "new scent" labels to try the updated fragrance.


Here's a Fly We Actually Like!

Many thanks to Mina for sharing her experience using Ecovet on her aptly named gelding, Fly:


"[I]t's the best fly spray I've ever used! Not a single thing touches my gelding. He's so sensitive to bugs I have a hard time riding him because he's so busy trying to swat flies that he can't pay attention.

"I've tried everything there is and nothing seems to work. I used your fly spray while riding and he's a completely different horse. I've had the best rides all spring/summer on him since switching to your fly spray. He's calm and attentive. He used to run the gate in the field to come in he was so bothered. Not anymore. He's content to graze all day! Everyone at my barn is impressed."

Read more Ecovet buzz.

How to Apply Ecovet

Ecovet is an entirely different kind of fly spray – and you also apply it in a different way. To help you and your horse make the flies get lost, we created the video below:


With traditional fly products, you spray until the horse is soaked. Ecovet is different. With our new solution, less is more. Ecovet is long-lasting, so you'll typically only need to apply it every one to three days.

Because Ecovet is so effective and you use less per application than you do with traditional sprays, your trusty bottle of Ecovet goes a looooong way. 

  • To apply Ecovet, you spray the horse's legs, tummy and a little on the top of the head. Apply with care around the eyes and ears.
  • You also want to spray with the bottle closer to the horse's body. This creates less fine mist, which can sometimes be annoying for your horse.
  • Apply outdoors or in an open aisle-way – it can be a strong scent in a closed space. To avoid spraying yourself, stand upwind when applying outdoors. You can also use a soft cloth or mitt.
  • Ecovet works best on dry horses, so don't use it on a just-washed or super-sweaty horse.

What's the Big Deal With Ticks on My Horse?

What are these strange parasites, and why are they on my horse? More importantly, how do I get rid of them?

While fleas are essentially wingless flies, ticks are from the spider family. This does make a difference because of how they might interact with the horse host.  

Egg – Larva – Nymph – Adult

Each stage takes a blood meal before progressing to the next stage. The larva has six legs and usually feeds on rodents. (This is when a tick typically picks up contagious diseases.) The nymph (seed tick) can be as small as a pin head or sesame seed. It will feed on rodents and mammals. The adult feeds on mammals – maybe you, maybe your horse, maybe your kids. The bites themselves can be virtually painless due the numbing technology that ticks possess during the feeding process.


Clinically, we typically have issues in the spring and fall when we are faced with sick horses that have a fever and are very dull. These mysterious fevers of unknown origins (FUOs for short) can be difficult to diagnose. Geographically, many are seen in the Northeast, Mid-Atlantic and Great Lakes areas ... the nation’s topmost hotbeds of human tick-borne disease. However, they can happen in every state.

This pattern led some to suspect that the culprits of the fever could be ticks and the difficult-to-diagnose diseases they carry. Often these horses are diagnosed with one of two diseases spread by ticks: equine ehrlichiosis or Lyme disease.

Equine Ehrlichiosis

This straightforward infection has long been referred to as equine ehrilichiosis. The disease is now officially referred to as equine granulocytic ehrlichiosis (EGE) but the causative agent has been reclassified as Anaplasma phagocytophilum. The disease is spread to horses by a variety of ticks of the species Ixodes, including deer ticks and sheep ticks. Although the severity of EGE varies, there does appear to be consistency in some of the clinical signs.

  • The horse generally becomes sick three to 14 days after the infected tick bite.
  • The fever in the early stage of the disease is generally very high (103° to 106° F).
  • Younger horses under 4 years old tend to have mild or no clinical signs, whereas geriatric horses may become more ill.
  • Others clinical signs may include lower limb edema, depression, reluctance to move, and depressed appetite.

Lyme Disease

Lyme disease seems to be a much more controversial disease that occurs frequently in humans and dogs and may occur in more limited numbers in horses.

A wide variety of clinical signs has been attributed to Lyme disease in horses. The most believable of these clinical manifestations of Lyme disease are low-grade fever, muscle soreness, stiffness and multiple limb lameness. There are published reports of a variety of other ailments associated with Lyme disease and numerous anecdotal reports of every clinical sign imaginable. Experimental infection of ponies with the Lyme organism resulted in some pathologic changes but no overt clinical signs. Until the disease can be reproduced experimentally, there will always be controversy as to the relevance of this disease in the horse.

Detecting and Preventing Ticks

Detection and prevention can be a challenge. Sometimes the ticks are evident on the face and ears, but they also can hide in the groin and “armpit” regions.

Prevention falls into two categories. First is decreasing exposure by managing the environment. Mow and remove brush to eliminate the protection that ticks need to survive while they aren't on hosts. When possible, use temporary fencing to keep horses out of areas that cannot be cleared. Habitat management is the best long-term route to reducing tick problems. In addition, cleared areas discourage wildlife, which can reintroduce ticks, and might provide improved grazing areas.  

The second prevention category is spray-on or roll-on products containing cypermethrin or permethrin, which can provide protection during rides in infested areas. According to Chris Adolph, DVM, MS, DACVM (Parasitology), “Efficacy is not the challenge, it's the persistency. They [the products] just don't last very long.”

Ecovet has been earning positive reviews for its tick effectiveness and duration of action. Dust, dirt, perspiration and water shorten protection time, making reapplication an important part of the protection plan. Horses pick up ticks as they move through infested areas, so make sure to concentrate on their legs, bellies and faces. Most importantly, check your horses regularly for ticks during your ride and thoroughly when finished.

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