Beef Cattle Nutrition
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Beef Cattle Nutrition Built on IGF-1 Performance
Every animal featured on this page was raised on feed fortified with Nature’s Formula IGF-1. These formulations are designed to meet the unique needs of bulls, cows, calves, and show cattle at every stage, using data-backed inclusion rates from agricultural universities.
Each formula is identified by a unique code, designed to support IGF-1 activity through Vitamin A-driven fortification for muscle growth, fertility, and lifelong tissue development.
Disclaimer: The inclusion rates of Nature's Formula IGF-1 feed additive calculations for cattle feeds are based on nutritional studies and data conducted by agriculture universities.
Calf Feed Formuations
Calf Starter #12
Supports growth and marbling development in early-stage calves. Ideal for use in textured or pelleted starter feeds. Designed to increase intramuscular fat and long-term carcass quality.
Formula Code: CS-12
Use: Calves 1–7 months or until weaning
Inclusion Rate: 12 lbs
Vitamin A Requirement: 376,000 – 450,000 IU/day
Guaranteed Analysis (per 12 lbs):
33,000 IU Vitamin A
241.92 IU Vitamin D
90,000 IU Vitamin E
5 mg Biotin (B7)
100 mg Folic Acid (B9)
100 ppm Cobalt Carbonate
360,000 ppm Organic Selenium
8% Zin-Pro Organic Manganese
8% Zin-Pro Organic Zinc
Calf Grower #10
Improves muscle growth and feed conversion during the grower phase. IGF-1 support improves feed efficiency and marbling in weaned calves.
Formula Code: CG-10
Use: Weaned calves in pasture or confinement
Inclusion Rate: 10 lbs
Vitamin A Requirement: 300,000–470,000 IU/day
Guaranteed Analysis (per 10 lbs):
27,500 IU Vitamin A
201.6 IU Vitamin D
75,000 IU Vitamin E
4.166 mg Biotin (B7)
83.33 mg Folic Acid (B9)
83.33 ppm Cobalt Carbonate
300 ppm Organic Selenium
8% Zin-Pro Organic Manganese
8% Zin-Pro Organic Zinc
Calf Finisher #8
Boosts final-stage intramuscular fat (marbling) development for show, sale, or harvest. Early Vitamin A supplementation enhances beef quality outcomes.
Formula Code: CF-8
Use: Muscle finishing phase in beef calves
Inclusion Rate: 8 lbs
Vitamin A Requirement: 350,000 – 420,000 IU/day
Guaranteed Analysis (per 8 lbs):
22,000 IU Vitamin A
161.28 IU Vitamin D
60,000 IU Vitamin E
3.3328 mg Biotin (B7)
66.664 mg Folic Acid (B9)
66.664 ppm Cobalt Carbonate
240 ppm Organic Selenium
8% Zin-Pro Organic Manganese
8% Zin-Pro Organic Zinc
Disclaimer: The inclusion rates of Nature's Formula IGF-1 feed additive calculations for cattle feeds are based on nutritional studies and data conducted by agriculture universities.
Beef Cattle Feed Formuations
Expecting Cows #9
Designed to support embryo quality, fetal development, and lactation. IGF-1 activity from this formula helps improve embryo viability, increase milk production, raise weaning weights, and optimize ribeye and marbling metrics.
Formula Code: EC-9
Use: Pregnant cows and heifers
Inclusion Rate: 10 lbs
Vitamin A Requirement: 300,000–470,000 IU/day
Guaranteed Analysis (per 10 lbs):
24,000 IU Vitamin A
181.44 IU Vitamin D
67,500 IU Vitamin E
3.75 mg Biotin (B7)
75 mg Folic Acid (B9)
75 ppm Cobalt Carbonate
270,000 ppm Organic Selenium
8% Zin-Pro Organic Manganese
8% Zin-Pro Organic Zinc
Fall & Winter Formula #12
For use in drought or winter conditions. Designed to stabilize IGF-1 levels in cows during late gestation and lactation when pasture quality is poor. Supports fetal health and postpartum recovery.
Formula Code: F&W-12
Use: Pregnant and lactating cows on poor forage
Inclusion Rate: 12 lbs
Vitamin A Requirement: 376,000–512,000 IU/day
Guaranteed Analysis (per 12 lbs):
33,000 IU Vitamin A
241.92 IU Vitamin D
90,000 IU Vitamin E
5 mg Biotin (B7)
100 mg Folic Acid (B9)
100 ppm Cobalt Carbonate
360,000 ppm Organic Selenium
8% Zin-Pro Organic Manganese
8% Zin-Pro Organic Zinc
Cattle Maintenance #5
Formulated for spring/summer pasture and quality forage feeding. Vitamin A levels in Nature's Formula IGF-1 are structured to match key nutrients found in green vegetation, supporting IGF-1 serum activity, cellular growth, and lifelong tissue development from conception forward.
Formula Code: CM-5
Use: Cattle on green pasture or quality forage
Inclusion Rate: 5 lbs
Vitamin A Requirement: 208,000–344,000 IU/day
Guaranteed Analysis (per 5 lbs):
13,750 IU Vitamin A
100.8 IU Vitamin D
37,500 IU Vitamin E
2.083 mg Biotin (B7)
41.665 mg Folic Acid (B9)
41.665 ppm Cobalt Carbonate
150 ppm Organic Selenium
8% Zin-Pro Organic Manganese
8% Zin-Pro Organic Zinc
Bull Conditioner #7
Inclusion rates are formulated for optimum reproductive health in beef cattle with high levels of Vitamin A and other nutrients, providing everything you need to significantly improve semen stability, motility, and libido in your herd sires.
Formula Code: BC-7
Use: Reproductive health in herd sires
Inclusion Rate: 7 lbs
Vitamin A Requirement: 180,000–200,000 IU/day
Guaranteed Analysis (per 7 lbs):
19,250 IU Vitamin A
141.12 IU Vitamin D
52,500 IU Vitamin E
2.1962 mg Biotin (B7)
58.331 mg Folic Acid (B9)
58.331 ppm Cobalt Carbonate
210 ppm Organic Selenium
8% Zin-Pro Organic Manganese
8% Zin-Pro Organic Zinc
Educational Resources
VITAMIN A IN COW-CALF OPERATIONS
Research Gate Courtesy of K-State University
BE ON THE LOOKOUT FOR VITAMIN A DEFICIENCIES IN YOUR HERD
Courtesy of Oklahoma State University
THE IMPORTANCE OF VITAMIN A
Courtesy of Oklahoma State University
CAN YOU MANAGE VITAMIN A DEFICIENCIES IN CATTLE HERDS?
Courtesy of Oklahoma State University
VITAMIN A NEEDS OF BEEF CATTLE
Courtesy of The University of Nebraska
VITAMIN A AND MINERALS DEFICIENCIES IN COW CALVES
Courtesy of K-State University
Designed to Fortify from Conception to Consumption
Nature’s Formula IGF-1 is manufactured and distributed by Nutra Blend LLC, and is readily available to any independent feed manufacturer in America. It is supported by the scientific focus on green vegetative components that stimulate growth factors in ruminants, optimizing fortification to the DNA blueprint of each animal.