10 Best Fly Sprays & Repellents for Cows 2025: According to Reviews | Chewy

The 10 Best Fly Sprays & Repellents for Cows

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How we created this fly sprays & repellent list

We leveraged input from our veterinarians and artificial intelligence to identify key considerations to help you find the best fly sprays & repellents for cow.
We scanned thousands of customer reviews and ratings and scored each product based on its performance against each of the key considerations. We then considered how popular a product is with Chewy customers and combined that with its key consideration scores to create the list of the best fly sprays & repellents for cows.

Key fly sprays & repellent considerations

Ease of application

Effectiveness

Long-lasting protection

Non-toxic ingredients

1
Martin's Permethrin 36.8% SFR Concentrate Termiticide & Insecticide, Pint

Martin's Permethrin 36.8% SFR Concentrate Termiticide & Insecticide, Pint

Rated 4.8 out of 5 stars
136
$31.49Chewy Price
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Ease of application

4.3/5
Great

Effectiveness

4.3/5
Great

Long-lasting protection

4.4/5
Great

Non-toxic ingredients

4.1/5
Great

Is this fly sprays & repellent right for my pet?

Top Ingredient

36.8% Permethrin

Farm Animal Type

Cattle, Pig, Poultry, Horse

Health Feature

Pest Control
2
Absorbine UltraShield Green All-Natural Fly & Insect Repellent Horse & Dog Spray, 32-fl oz bottle
Absorbine UltraShield Green All-Natural Fly & Insect Repellent Horse & Dog Spray, 32-fl oz bottle
Absorbine UltraShield Green All-Natural Fly & Insect Repellent Horse & Dog Spray, 32-fl oz bottle
Absorbine UltraShield Green All-Natural Fly & Insect Repellent Horse & Dog Spray, 32-fl oz bottle
Absorbine UltraShield Green All-Natural Fly & Insect Repellent Horse & Dog Spray, 32-fl oz bottle
Absorbine UltraShield Green All-Natural Fly & Insect Repellent Horse & Dog Spray, 32-fl oz bottle

Absorbine UltraShield Green All-Natural Fly & Insect Repellent Horse & Dog Spray, 32-fl oz bottle

Rated 4.6 out of 5 stars
55
$23.09Chewy Price
($0.73/fl oz)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Ease of application

4.5/5
Great

Effectiveness

4.6/5
Excellent

Long-lasting protection

4.7/5
Excellent

Non-toxic ingredients

4.8/5
Excellent

Is this fly sprays & repellent right for my pet?

Top Ingredients

Active Ingredients: Thyme Oil 0.01%, Cedar Oil 0.05%, Lemongrass Oil 0.05%, Rosemary Oil 0.05%, Citronella Oil 0.06%

Farm Animal Type

Horse, Pig, Cattle, Goat...

Health Feature

Pest Control
3
CSI Martin's Bifen 7.9 Home & Yard Insecticide Concentrate, 1-qt bottle

CSI Martin's Bifen 7.9 Home & Yard Insecticide Concentrate, 1-qt bottle

Rated 4.7 out of 5 stars
53
$38.89Chewy Price
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Ease of application

4.4/5
Great

Effectiveness

4.4/5
Great

Long-lasting protection

4.3/5
Great

Non-toxic ingredients

4.2/5
Great

Is this fly sprays & repellent right for my pet?

Top Ingredient

7.9% Bifenthrin

Farm Animal Type

Cattle, Poultry, Horse

Health Feature

Pest Control
4
Martin's Pen & Poultry Chicken & Roost Insecticide Spray, 32-fl oz

Martin's Pen & Poultry Chicken & Roost Insecticide Spray, 32-fl oz

Rated 4.3 out of 5 stars
62
$10.99Chewy Price
($0.35/fl oz)

Our ratings

Ease of application

4.6/5
Excellent

Effectiveness

4.4/5
Great

Long-lasting protection

4.1/5
Great

Non-toxic ingredients

3.8/5
Good

Is this fly sprays & repellent right for my pet?

Top Ingredient

0.50% Permethrin

Farm Animal Type

Cattle, Horse

Health Feature

Pest Control
5
Martin's Permethrin 13.3% Multi-Purpose Insecticide Concentrate, 8-fl oz bottle
Martin's Permethrin 13.3% Multi-Purpose Insecticide Concentrate, 8-fl oz bottle
Martin's Permethrin 13.3% Multi-Purpose Insecticide Concentrate, 8-fl oz bottle

Martin's Permethrin 13.3% Multi-Purpose Insecticide Concentrate, 8-fl oz bottle

Rated 4.3 out of 5 stars
62
$9.99Chewy Price
($1.25/fl oz)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Ease of application

4.4/5
Great

Effectiveness

4.2/5
Great

Long-lasting protection

4.1/5
Great

Non-toxic ingredients

4.0/5
Great

Is this fly sprays & repellent right for my pet?

Top Ingredient

13.3% Permethrin

Farm Animal Type

Cattle, Pig, Poultry, Horse

Health Feature

Pest Control
6
Elanco CyLence Pour-On Cattle Insecticide, 16-fl oz

Elanco CyLence Pour-On Cattle Insecticide, 16-fl oz

Rated 4.3 out of 5 stars
6
$25.99Chewy Price
($1.63/fl oz)

Our ratings

Ease of application

4.7/5
Excellent

Effectiveness

4.7/5
Excellent

Long-lasting protection

4.7/5
Excellent

Non-toxic ingredients

4.4/5
Great

Is this fly sprays & repellent right for my pet?

Top Ingredients

Cyfluthrin 1%, Other Ingredients 99%

Farm Animal Type

Cattle
7
Absorbine FLYS-X Natural Fly Repellent Dog & Livestock Spray, 32-fl oz bottle
Absorbine FLYS-X Natural Fly Repellent Dog & Livestock Spray, 32-fl oz bottle
Absorbine FLYS-X Natural Fly Repellent Dog & Livestock Spray, 32-fl oz bottle
Absorbine FLYS-X Natural Fly Repellent Dog & Livestock Spray, 32-fl oz bottle

Absorbine FLYS-X Natural Fly Repellent Dog & Livestock Spray, 32-fl oz bottle

Rated 4.3 out of 5 stars
38
$14.99Chewy Price
($0.47/fl oz)

Our ratings

Ease of application

4.1/5
Great

Effectiveness

4.1/5
Great

Long-lasting protection

4.3/5
Great

Non-toxic ingredients

4.1/5
Great

Is this fly sprays & repellent right for my pet?

Top Ingredients

Thyme Oil, Cedar Oil, Lemongrass Oil, Rosemary Oil, Citronella Oil

Farm Animal Type

Rabbit, Cattle, Pig, Poultry...

Health Feature

Pest Control
8
Ultra Boss Pour-On Insecticide Fly & Insect Control for Cattle, Sheep, Goats & Horses, 1-quart bottle
Ultra Boss Pour-On Insecticide Fly & Insect Control for Cattle, Sheep, Goats & Horses, 1-quart bottle
Ultra Boss Pour-On Insecticide Fly & Insect Control for Cattle, Sheep, Goats & Horses, 1-quart bottle

Ultra Boss Pour-On Insecticide Fly & Insect Control for Cattle, Sheep, Goats & Horses, 1-quart bottle

Rated 5 out of 5 stars
4
$42.32Chewy Price
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Ease of application

4.7/5
Excellent

Effectiveness

4.7/5
Excellent

Long-lasting protection

4.7/5
Excellent

Non-toxic ingredients

4.5/5
Great

Is this fly sprays & repellent right for my pet?

Top Ingredients

ACTIVE INGREDIENTS: Permethrin: (3-Phenoxyphenyl)methyl (±)-cis, Trans-3-(2, 2-Dichloroethenyl)-2, 2-Dimethylcyclopropanecarboxylate*: 5.0% Piperonyl Butoxide**: 5.0% INERT INGREDIENTS***: 90.0% TOTAL: 100.0%

Farm Animal Type

Cattle, Goat, Sheep

Health Feature

Pest Control
9
Martin's Viper Home & Garden Farm Animal Insect Dust, 4-lb bag

Martin's Viper Home & Garden Farm Animal Insect Dust, 4-lb bag

Rated 4.6 out of 5 stars
23
$9.99Chewy Price
($2.50/lb)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Ease of application

4.5/5
Great

Effectiveness

4.3/5
Great

Long-lasting protection

4.3/5
Great

Non-toxic ingredients

4.0/5
Great

Is this fly sprays & repellent right for my pet?

Top Ingredient

0.25% Permethrin

Farm Animal Type

Cattle, Poultry, Pig, Horse

Health Feature

Pest Control
10
Absorbine Flys-X Ready To Use Horse & Livestock Insecticide, 32-fl oz bottle
Absorbine Flys-X Ready To Use Horse & Livestock Insecticide, 32-fl oz bottle
Absorbine Flys-X Ready To Use Horse & Livestock Insecticide, 32-fl oz bottle
Absorbine Flys-X Ready To Use Horse & Livestock Insecticide, 32-fl oz bottle

Absorbine Flys-X Ready To Use Horse & Livestock Insecticide, 32-fl oz bottle

Rated 4.5 out of 5 stars
28
$11.01Chewy Price
($0.35/fl oz)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Ease of application

4.5/5
Great

Effectiveness

4.2/5
Great

Long-lasting protection

4.1/5
Great

Non-toxic ingredients

4.5/5
Great

Is this fly sprays & repellent right for my pet?

Top Ingredients

Pyrethrins 0.1%, Piperonyl Butoxide 1.0%, Other Ingredients: 98.9%

Farm Animal Type

Cattle, Goat, Llama & Alpaca, Poultry...

Health Feature

Pest Control