Serving the Southeastern, Central Idaho, Western Wyoming, and Southwest Montana Areas Since 1995
MacKay Livestock Supply in Idaho Falls, ID, is the place to go for all your animal health and feed needs. Serving our customers since 1995, our locally and family-owned business carry vaccines, antibiotics, minerals, and more. We are the leading provider of high-quality products for livestock producers and ranchers alike.
Contact us today to learn more and for pricing information.
Why Choose MacKay Livestock Supply?
Over 25 Years of Experience
Large Selection of Animal Vaccines
Custom Livestock Mineral
Veterinarian and Nutritionist Consulting Available
Special Pricing
Shipping and Delivery Available
Animal Health
The health of your herd is essential to the success of your livestock operation. Get the products you need to keep your animals in the best of health at MacKay Livestock Supply. We offer vaccine, vitamins, probiotics, and more.
Livestock Mineral
With a Consulting Nutritionist and two Consulting Veterinarians available, we’ll set you up with the right mineral for your livestock. Custom mixes are also available to make sure your livestock or 4H animals have
the supplements they need.
Livestock Feed
At MacKay Livestock Supply, you’ll find high-quality feed from Cargill Nutrena, Total Equine, ADM Animal Nutrition, Wilber Ellis, Cubeit, and Key-Lix.
Satisfied Customer Reviews
“I’ll never forget the day I lost $75,000 to an investment scam. I felt shattered, betrayed, and financially ruined. The stammers’ constant demands for more money left me anxious and depressed.. But then I found Ultimate…” – Janel J.
“I have a multitude of different domestic pets and livestock and they are always helpful and attentive and have a lot of knowledge. I stopped my Chewy order, and get all my supplies, both foods and meds in one stop. What…” – Jana I.