WormStop - Fenbendazole

WormStop – Fenbendazole 200 mg/mL for Poultry

WormStop is a concentrated Fenbendazole 200 mg/mL oral dewormer formulated to support a healthy digestive tract in poultry and gamebirds. Fenbendazole is one of the most widely trusted broad-spectrum deworming ingredients used by poultry owners to help control common internal parasites that can affect bird health, growth, egg production, and overall performance. Regular parasite management is an important part of maintaining a healthy flock, and WormStop provides a convenient, easy-to-administer solution for routine deworming programs.

Internal parasites can rob birds of essential nutrients, leading to poor weight gain, decreased feed efficiency, pale combs, reduced egg production, diarrhea, and poor overall condition. WormStop helps eliminate many of the most common intestinal worms found in poultry, allowing birds to better utilize nutrients and maintain healthy growth and vitality. Whether used for backyard chickens, breeding flocks, or gamebirds, WormStop is an effective tool for supporting long-term flock health as part of a complete parasite management program.

Active Ingredient

Fenbendazole: 200 mg/mL


Key Benefits

Broad-spectrum dewormer for poultry and gamebirds

Helps maintain a healthy gastrointestinal tract

Supports healthy growth and body condition

Easy-to-administer liquid formula

Ideal for routine parasite control programs


Helps Control

Roundworms (Ascaridia galli)

Cecal Worms (Heterakis gallinarum)

Gapeworms (Syngamus trachea)

Threadworms (Capillaria species)

Tapeworms (Cestodes)


Package Size

5 mL Bottle


Recommended Uses

Backyard chickens

Breeding flocks

Gamebirds

Routine flock deworming

Birds showing signs of internal parasite infestation


Note: Follow the dosing instructions provided on the product label. Good sanitation, clean housing, and regular parasite monitoring are essential components of an effective flock health program.