Feeding Applications:
Multi-Species - For beef and dairy cattle on pasture, feedlot cattle and horses.
Contains Rabon Oral Larvicide to prevent the development of horn flies, face flies, house flies and stable flies in the manure of treated animals.

Rolyx® Pro-Mag

Product Features

CRYSTALYX Rolyx Pro-Mag is a dual-purpose, low-moisture block, formulated with added protein and magnesium. It is designed to be self-fed to cattle and horses consuming moderate to good quality forages, fescue forages, low magnesium forages, or forages with high potassium concentrations that interfere with magnesium absorption.  It is energy dense and highly fortified with trace minerals and vitamins.

CRYSTALYX Rolyx Pro-Mag also contains RABON, the proven-effective oral larvicide, to prevent the development of horn flies, face flies, house flies and stable flies in the manure of treated animals.

CRYSTALYX Rolyx Pro-Mag contains chelated/organic trace minerals.

Rabon® is a registered trademark of Bayer Animal Health.

Feeding Instructions

Place ROLYX Pro-Mag containers in dry spots near loafing areas and watering areas. Feed at the rate of one container for every 20-30 head. A minimum of 2 containers may be necessary. Provide free access to clean, fresh water at all times. ROLYX Pro-Mag contains no salt. Provide salt free choice. Animals should not be starved for mineral prior to feeding ROLYX Pro-Mag. Cattle or horses should consume 1.05 pounds of ROLYX Pro-Mag per 100 pounds of body weight per month. This will supply the recommended average daily intake of 70 mg RABON Oral Larvicide per 100 pounds body weight. If consumption is above 1.05 pounds per 100 pounds of body weight per month, reduce the number of feeding locations or relocate the containers. If consumption is below 1.05 pounds per 100 pounds of body weight per month, increase the number of feeding locations.

Start feeding ROLYX Pro-Mag early in the spring before the flies begin to appear and continue feeding throughout the summer and into the fall until cold weather restricts fly activity. ROLYX Pro-Mag prevents the development of horn flies, face flies, house flies and stable flies in the manure of treated cattle and prevents the development of house and stable flies in the manure of treated horses but is not effective against existing adult flies. When starting a feeding program during the fly season, it is desirable to use other control measure to reduce the population of existing adult flies. ROLYX Pro-Mag may be fed to cattle up until slaughter and to lactating cows. Follow feeding directions. Consumption of selenium should not exceed 3 mg per head daily.

Keep Out of Reach of Children

Harmful if swallowed or absorbed though the skin. Causes moderate eye irritation. Avoid contact with eyes, skin or clothing. Prolonged or frequently repeated skin contact may cause allergic reaction in some individuals. Personal Protective Equipment (PPE): long-sleeved shirt and long pants, shoes and socks, chemical resistant gloves. Wash hands before eating, drinking, chewing gum, using tobacco or using the toilet. Follow manufacturers instructions for cleaning/maintaining PPE. If no such instructions for washables, use detergent and hot water. Keep and wash PPE separately for other laundry.
Users should remove PPE immediately after handling this product. Wash the outside of gloves before removing. As soon as possible, wash thoroughly and change into clean clothing.
Environmental Hazards: This compound is toxic to fish.
USER RESTRICTIONS: Not to be used on horses destined for slaughter.

Do not contaminate water, food or feed by storeage or disposal. Storage: Store product in a cool, dry warehouse in the original container.

Container Handling: Refillable container. Refill this container with this product only. Do not reuse this container for any other purpose. Return empty containers for cleaning and recycling or dispose of empty containers in a sanitary landfill or by other procedures approved by state and local authorities.

WARNING: This product, which contains added copper, should not be fed to sheep or any species that have a low tolerance to supplemental copper.

It is a violation of Federal Law to use this product in a manner inconsistent with its labeling.

Precautions for Horse Use: This product contains tetrachlorvinphos, which is a cholinesterase inhibitor. The most frequently reported clinical signs of cholinesterase inhibition in the horse are abdominal pain, lethargy, sweating, tearing and excessive salivation. If the signs are seen in horses, consult your veterinarian immediately. Do not use this product simultaneously or within a week before or after treatment with cholinesterase inhibiting drugs, pesticides or chemicals. Consult a veterinarian before using this product on debilitated, aged, pregnant or nursing animals. This product has not been tested in breeding horses.

Nutrition Information

Crude Protein, Min18.00%
Crude Fat, Min3.00%
Crude Fiber, Max3.00%
Acid Detergent Fiber, Max3.00%
Calcium, Min1.00%
Calcium, Max1.50%
Phosphorus, Min1.00%
Salt, MinNone Added
Magnesium, Min4.00%
Cobalt, Min15 ppm
Copper, Min500 ppm
Iodine, Min25 ppm
Manganese, Min2,000 ppm
Selenium, Min8.8 ppm
Zinc, Min1,500 ppm
Vitamin A, Min80,000 IU/lb
Vitamin D-3, Min8,000 IU/lb
Vitamin E, Min100 IU/lb

Product Ingredients

Molasses products, processed grain by-products, plant protein products, magnesium oxide, monocalcium phosphate, dicalcium phosphate, hydrolyzed vegetable oil, calcium carbonate, manganese proteinate, manganous oxide, manganese sulfate, zinc proteinate, zinc oxide, zinc sulfate, copper proteinate, copper sulfate, selenium yeast, ethylenediamine dihydroiodide, calcium iodate, cobalt proteinate, cobalt carbonate, vitamin A supplement, vitamin D-3 supplement, vitamin E supplement, mineral oil.

Active Drug Ingredient(s):  
Tetrachlorvinphos................... 0.44%
Inert Ingredients..................... 99.56%

Purpose Statement:
Contains RABON® to prevent the development of horn flies, face flies, house files and stable flies in the manure of treated cattle. Prevents development of house flies and stable flies in the manure of treated horses.