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Best cattle dewormers - April 2026

Last Updated - April 3, 2026

1
Best Choice

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Elanco

Elanco Cydectin Pour-On Cattle Parasiticide | Treats Worms, Flies, Lice, Grubs, and Mites | 2.5L Dewormer

Elanco

$269.90

More Details
Main highlights
- Use as Directed: This pour-on is suitable for lactating cows, with zero milk withhold and zero slaughter withdrawal, and is dung beetle and earthworm-friendly
- Livestock Pest Control: Provides treatment for 13 species of internal parasites and many of their larval stages––including brown stomach worms, lungworms, and nodular and barber pole worms–– as well as controls horn flies, lice, cattle grubs, and mites
- Effective Parasiticide: Cydectin Pour On is a ready-to-use product for beef and dairy cattle to control internal and external parasites
- Contains one (1) 2.5L bottle of Cydectin Pour-On for beef and dairy cattle
- Active Ingredient Moxidectin: This Milbemycin dewormer contains a weatherproof formula with a purple dye to easily see which cows have been treated
$269.90
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

MERCK Animal Health

Safe-Guard Suspension Cattle & Sheep Dewormer

MERCK Animal Health

$175.97

More Details
Main highlights
- Safeguard Wormer Suspension. Animal Health Supplies
- Package Dimensions: 9.14cm L x 8.89cm W x 19.05cm H
- Manufacturer: MERCK AH CATTLE D
- Manufacturer part number: 069293/001-809751
$175.97
3
17% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Durvet
17% Off

Durvet Ivermectin Pour On Dewormer 250mL

Durvet

$20.54

$24.66
(17% Off)

More Details
Main highlights
- Treats gastrointestinal roundworms, lungworms, grubs, horn flies, lice and sarcoptic mange mites
- Labeled for treatment in cattle
- Contains 5mg/mL Ivermectin
$20.54
$24.66 (17% Off)
4
Best Value
21% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Durvet
21% Off

Durvet Ivermectin Pour On Dewormer 250mL

Durvet

$19.51

$24.66
(21% Off)

More Details
Main highlights
- Treats gastrointestinal roundworms, lungworms, grubs, horn flies, lice and sarcoptic mange mites
- Labeled for treatment in cattle
- Contains 5mg/mL Ivermectin
$19.51
$24.66 (21% Off)
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Elanco

Elanco Cydectin Pour-On Cattle Parasiticide | Treats Worms, Flies, Lice, Grubs, and Mites | 1L Dewormer

Elanco

$127.69

More Details
Main highlights
- Use as Directed: This pour-on is suitable for lactating cows, with zero milk withhold and zero slaughter withdrawal, and is dung beetle and earthworm-friendly
- Livestock Pest Control: Provides treatment for 13 species of internal parasites and many of their larval stages––including brown stomach worms, lungworms, and nodular and barber pole worms–– as well as controls horn flies, lice, cattle grubs, and mites
- Effective Parasiticide: Cydectin Pour On is a ready-to-use product for beef and dairy cattle to control internal and external parasites
- Contains one (1) 1L bottle of Cydectin Pour-On for beef and dairy cattle
- Active Ingredient Moxidectin: This Milbemycin dewormer contains a weatherproof formula with a purple dye to easily see which cows have been treated
$127.69

Best cattle dewormers - April 2026

Elanco Cydectin Pour-On Cattle Parasiticide | Treats Worms, Flies, Lice, Grubs, and Mites | 2.5L Dewormer

Safe-Guard Suspension Cattle & Sheep Dewormer

Durvet Ivermectin Pour On Dewormer 250mL

Durvet Ivermectin Pour On Dewormer 250mL

Elanco Cydectin Pour-On Cattle Parasiticide | Treats Worms, Flies, Lice, Grubs, and Mites | 1L Dewormer

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