STOCKMASTER® 14 Mag Mineral


STOCKMASTER® 14 Mag Mineral is a 14% magnesium product formulated for cattle that are grazing lush rapidly growing pastures that are low in magnesium. Cattle should be started on STOCKMASTER 14 Mag Mineral approximately 30 days before the grass becomes lush and should continue consuming STOCKMASTER 14 Mag Mineral until the grass growth slows and the pasture dries out.

About the Product

STOCKMASTER 14 Mag Mineral is designed to provide supplemental magnesium to animals on lush pasture when grass tetany is a concern.

Trace Mineral Supplementation
Appropriate trace minerals are provided in biologically available forms and in a ratio appropriate for cattle consuming forages.

Moderate vitamin fortification is included to supplement the naturally occurring vitamins in lush forages. STOCKMASTER 14 Mag Mineral is not designed to be fed with stored forages that have low vitamin content.

Choice of Additives
Proper use of additives can improve animal performance; refer to product tag for specific claim. STOCKMASTER 14 Mag Mineral is available with feed additives at FDA-approved levels.

Nutrient Analysis

Calcium (Ca), min % 11.3
Calcium (Ca), max % 13.5
Phosphorus (P), min % 2.0
Salt (NaCl), min % 18.2
Salt (NaCl), max % 21.8
Magnesium (Mg), min % 14.0
Potassium (K), min % 0.1
Copper (Cu), min 1,000 ppm
Selenium (Se), min 20 ppm
Zinc (Zn), min 4,000 IU/lb.
Vitamin A, min 50,000 IU/lb.
Vitamin D, min 5,000 IU/lb.
Vitamin E, min 50 IU/lb.
Feeding Directions

STOCKMASTER 14 Mag Mineral is formulated to be fed at 4.0 ounces per head per day. It is important that animals consume adequate amounts of STOCKMASTER 14 Mag Mineral. Mix STOCKMASTER 14 Mag Mineral with grain and force-feed to ensure adequate intake.

If force-feeding is not possible, offer STOCKMASTER 14 Mag Mineral on a free-choice basis. Start feeding STOCKMASTER 14 Mag Mineral 30 days before the cattle begin grazing on lush grass. Do not feed additional salt or other mineral sources.

STOCKMASTER 14 Mag Mineral intakes will vary. Estimate STOCKMASTER 14 Mag Mineral consumption rates on a biweekly basis. If free-choice intakes are less than 4.0 ounces per head per day, force-feed the STOCKMASTER 14 Mag Mineral.

Provide fresh, clean water at all times.

Note: Supplemental mineral requirements of cattle vary by region, forage quality and season. Individual animal requirements may vary due to age, size, stage or growth or milk production. Please consult your Hubbard Feeds Inc. representative if you have questions about mineral supplementation. 



This product, which contains added copper, should not be fed to sheep or related species that have a low tolerance level to copper.

Product Number

#70A6 — STOCKMASTER® 14 Mag Mineral, 50 lb.

Please Note: This product information sheet is meant to serve as a general overview and is not intended to replace the product label. Always refer directly to the product label for the most up-to-date nutrient content and feeding directions.