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  • Writer's pictureShamrock Enterprises

Protecting Your Livestock from Flies: The Garlic Solution

Maintaining the health and comfort of your livestock is paramount, especially during the warmer months when flies, horseflies, and gadflies can become a major nuisance. These blood-sucking insects not only cause discomfort and stress but can also transmit diseases. Fortunately, there are effective strategies to protect your animals, and one of the most promising involves incorporating garlic into their diet. Here’s how garlic and specialized feed additives can help keep these pests at bay.

Why Protect Your Livestock from Flies and Gadflies?

Flies annoying cattle. A problem that every farmer faces.But flies, horseflies, and gadflies are more than just annoying; they can have a significant negative impact on your livestock:

  • Stress and Discomfort: Continuous biting and buzzing can cause significant stress and discomfort, leading to decreased productivity.

  • Disease Transmission: These insects can carry and transmit various diseases, including bovine anaplasmosis and trypanosomiasis.

  • Wound Infestation: Bites can lead to wounds that may become infected, further endangering the health of your animals.

The Power of Garlic

Garlic supplementation offers an easy way to support natural defenses against flying insects. After eating, animals emit a sulfurous odor of garlic. This repels gadflies, mosquitoes, horseflies, and other insects.

The results of a study on horse farms in Germany showed that the approach of gadflies and other insects was reduced by 64.5%.

Horses with access to garlic-supplemented feed exhibited significantly less muscle twitching than control horses without access to garlic lick mass.

Garlic has been fed to cattle for centuries. When garlic enters the bloodstream, the livestock's natural body secretions smell repulsive to many flying insects. When consumed, garlic creates an invisible barrier that prevents flies and mosquitoes from landing on the skin and is especially soothing to irritated animals in the pasture.

Here's how garlic can help:

  • Natural Fly Repellent for Livestock: Garlic contains sulfur compounds that are released through the skin and sweat glands when ingested. These compounds produce an unpleasant odor to blood-sucking insects, acting as a natural repellent.

  • Boosts Immunity: Garlic is known for its immune-boosting properties, helping to improve the overall health of your livestock.

  • Anti-inflammatory and Antioxidant Effects: Garlic can reduce inflammation and oxidative stress, promoting better health and recovery from insect bites.

Incorporating Garlic into Livestock Diets

Adding garlic to your livestock's diet can be done in several ways:

  • Fresh Garlic: Chopping or crushing fresh garlic and mixing it with feed can be effective, but it may not always be practical on a large scale.

  • Garlic Powder: This is a more convenient option that can easily be mixed into the feed.

  • Garlic-Based Feed Additives: For a more consistent and hassle-free solution, specialized feed additives containing garlic are available.

Shamrock’s Garlic Feed Blocks

One of the leading solutions in garlic-based feed additives comes from Shamrock, a company renowned for its innovative livestock nutrition products. Shamrock produces and sells feed and mineral blocks and buckets enriched with garlic, providing an easy and effective way to incorporate garlic into your livestock’s diet. Here’s why Shamrock’s garlic feed blocks stand out:

  • Convenience: These blocks are simple to use and require no additional preparation. Just place them where your livestock can access them.

  • Consistency: Ensures a steady intake of garlic, optimizing the repellent effect against flies and gadflies.

  • Balanced Nutrition: Shamrock’s feed blocks are not just about garlic; they are formulated to provide balanced nutrition, supporting the overall health of your animals.


Protecting your livestock from flies, horseflies, and gadflies is crucial for their health and productivity. By incorporating garlic into their diet, particularly through convenient and effective solutions like Shamrock’s garlic feed blocks, you can significantly reduce stress and health risks. Combine garlic supplementation with good farm hygiene and additional protective measures for the best results. Your livestock will be healthier and happier, leading to a more productive and successful farming operation.

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