#12 Equine DEveloper


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This is an all-around equine product that can be fed to all classes and ages of horses. Beneficial for pregnant mares!

Characteristics: Balanced vitamins and minerals for horses with added Lysine, Biotin, and Vitalix Proprietary Enzyme Package. Contains Diatomaceous Earth. Fermentation products are the source of Selenium (Selenium Yeast)

Use: All-around Equine product that can be fed to all classes and ages of horses


Feeding Recommendations:

  • 3-5 o.z per 1000-lb animal per day.
  • As a Guide: One 125-lb. tub for every 10-15 head of horses.
NOTICE: Some products in this store can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Please check the product label for warning information. For more information go to We cannot ship any products into California that are affected by Proposition 65.

SHIPPING CHANGES: Due to new sales tax rules in the state of Colorado, effective June 1, 2019, purchases made online through JAX Mercantile for customers in the state of Colorado will only be able to be shipped to addresses within JAX current tax jurisdictions in Fort Collins, Loveland, Lafayette, and Broomfield. Customers in the state of Colorado who do not have shipping addresses within these zip codes may still opt for in-store pickup at any JAX store location when making a purchase on the JAX website. Learn more on our shipping and returns page.

Customer Service: 1-800-336-8314 Monday - Friday 9am to 5pm MTN