
Merck Safe-Guard Dewormer, 1 Gallon
- Notice
- Description
- Ingredients
- Directions
- Reviews
Notices
Description
Safe-Guard Dewormer Suspension for Cattle is a fast-acting, low-volume oral deworming solution formulated for beef and dairy cattle. It provides effective treatment and control of key internal parasites including lungworms, stomach worms, intestinal worms, bankrupt worms, and nodular worms. This suspension offers a low-stress, convenient method for parasite control and supports overall herd health.
Effective Against the Following Cattle Parasites:
- Lungworms (Dictyocaulus viviparus)
- Stomach worms – adults and fourth-stage larvae
- Brown stomach worm (Ostertagia ostertagi)
- Intestinal worms – adults and fourth-stage larvae
- Hookworms
- Thread-necked intestinal worm (Nematodirus spp.)
- Small intestinal worms
- Bankrupt worm (Trichostrongylus axei)
- Nodular worms (Oesophagostomum radiatum)
Benefits of Safe-Guard Dewormer:
- Improves feed intake and digestion efficiency
- Enhances average daily weight gain (ADG)
- Promotes better overall health and immune response
- Increases beef production per head
- Convenient low-dose liquid suspension – easy to administer
Note: This item cannot be shipped to California addresses.
Safe-Guard® is a registered trademark of Intervet Inc., d/b/a Merck Animal Health, a subsidiary of Merck & Co., Inc.
Ingredients
Ingredients – Safe-Guard Dewormer 10% Suspension
| Ingredient | Strength / Description |
|---|---|
| Concentration | 100 mg/mL suspension (10% w/v) |
| Inactive Ingredients (examples) | May include methylparaben, propylparaben, propylene glycol, glycerin, flavoring agents, and water. Full formulation details are available on the official product label. |
This broad-spectrum benzimidazole anthelmintic is formulated for effective internal parasite control. Refer to the official product label for complete inactive ingredient disclosure.
Directions
Safe-Guard Dewormer Suspension should be administered orally based on estimated body weight. The recommended dosage is 2.3 mg per lb (5 mg/kg) of body weight. This is achieved by giving 2.3 mL of the suspension per 100 lb of body weight.
Dosage Chart
| Cattle Dosage | |
|---|---|
| Body Weight | Dosage (mL) |
| 100 lb | 2.3 mL |
| 200 lb | 4.6 mL |
| 300 lb | 6.9 mL |
| 400 lb | 9.2 mL |
| 500 lb | 11.5 mL |
| 1,000 lb | 23.0 mL |
| 1,500 lb | 34.5 mL |
| Goat Dosage | |
| Body Weight | Dosage (mL) |
| 25 lb | 0.6 mL |
| 50 lb | 1.2 mL |
| 75 lb | 1.7 mL |
| 100 lb | 2.3 mL |
| 125 lb | 2.9 mL |
In areas with continuous parasite exposure, retreatment may be necessary every 4 to 6 weeks for effective parasite control.
Storage Instructions
Store at or below 25°C (77°F). Protect from freezing. Shake well before use.
Residue Warnings
- Cattle: Do not slaughter within 8 days after treatment.
- Goats: Do not slaughter within 6 days after treatment.
- Milk Withdrawal: Do not use in lactating goats. No withdrawal period required for dairy cattle milk.
- Do not use in pre-ruminating calves or calves intended for veal.
Always consult your veterinarian for proper diagnosis and deworming protocols tailored to your herd or flock's specific needs.
Keep out of reach of children and animals.


