About
Science-driven additives that protect forage, improve feed quality, and enhance animal performance.
Where Innovation Meets On-Farm Results
Our Story
International Stock Food (ISF) is a global leader in feed preservation and livestock nutrition solutions. For more than 75 years, we’ve helped producers protect their forage, improve feed quality, and unlock better performance from their herds and operations.
International Stock Food (ISF) is a global leader in feed preservation and livestock nutrition solutions. For more than 75 years, we’ve helped producers protect their forage, improve feed quality, and unlock better performance from their herds and operations.
International Stock Food (ISF) is a global leader in feed preservation and livestock nutrition solutions. For more than 75 years, we’ve helped producers protect their forage, improve feed quality, and unlock better performance from their herds and operations.
Company Stats
The Foundation of Our Success
100%
USA Owned
50
States COvered
22
Distributors
30
Dealers
Leadership
Meet the team who are driving our mission to deliver innovative feed products and elevate animal helth and farm productivity.
Meet the team who are driving our mission to deliver innovative feed products and elevate animal helth and farm productivity.
Meet the team who are driving our mission to deliver innovative feed products and elevate animal helth and farm productivity.
Peter Vinelli
President
Peter Vinelli
President
Peter Vinelli
President
John Ashworth
Head Of Sales
John Ashworth
Head Of Sales
John Ashworth
Head Of Sales
Chuck Butt
Sales Rep
Chuck Butt
Sales Rep
Chuck Butt
Sales Rep
Jeff Orwig
Sales Rep
Jeff Orwig
Sales Rep
Jeff Orwig
Sales Rep
Don McKillip
Sales Rep
Don McKillip
Sales Rep
Don McKillip
Sales Rep
Mark Lourey
Sales Manager (Australia)
Mark Lourey
Sales Manager (Australia)
Mark Lourey
Sales Manager (Australia)
Our Commitment
When producers choose ISF, they choose more than a product. Our team are there to support every step of the way.
When producers choose ISF, they choose more than a product. Our team are there to support every step of the way.
When producers choose ISF, they choose more than a product. Our team are there to support every step of the way.
Customer Testimonials
"I'm using Hay Guard to improve hay production, to limit weather damage on hay, and increase yields."
Brad Betchel
Australia
"I'm using Hay Guard to improve hay production, to limit weather damage on hay, and increase yields."
Brad Betchel
Australia
"This is the first bag of formented forage we've opened hat has ZERO spoilage. It smells fresh and looks just like when we filled the bag."
Chris & Jeremy
Michigan
"Our haylage feeds better, we have better bunk life, and the cows get more out of it. Our high-moisture corn never got hot. Period."
Bob
Ohio
"Feed is cooler coming out of the silo; fresh as the day it was put in!"
Sam
Wisconsin
"I'm using Hay Guard to improve hay production, to limit weather damage on hay, and increase yields."
Brad Betchel
Australia
"I'm using Hay Guard to improve hay production, to limit weather damage on hay, and increase yields."
Brad Betchel
Australia
"This is the first bag of formented forage we've opened hat has ZERO spoilage. It smells fresh and looks just like when we filled the bag."
Chris & Jeremy
Michigan
"Our haylage feeds better, we have better bunk life, and the cows get more out of it. Our high-moisture corn never got hot. Period."
Bob
Ohio
"Feed is cooler coming out of the silo; fresh as the day it was put in!"
Sam
Wisconsin
"I'm using Hay Guard to improve hay production, to limit weather damage on hay, and increase yields."
Brad Betchel
Australia
"I'm using Hay Guard to improve hay production, to limit weather damage on hay, and increase yields."
Brad Betchel
Australia
"This is the first bag of formented forage we've opened hat has ZERO spoilage. It smells fresh and looks just like when we filled the bag."
Chris & Jeremy
Michigan
"Our haylage feeds better, we have better bunk life, and the cows get more out of it. Our high-moisture corn never got hot. Period."
Bob
Ohio
"Feed is cooler coming out of the silo; fresh as the day it was put in!"
Sam
Wisconsin
"I'm using Hay Guard to improve hay production, to limit weather damage on hay, and increase yields."
Brad Betchel
Australia
"I'm using Hay Guard to improve hay production, to limit weather damage on hay, and increase yields."
Brad Betchel
Australia
"This is the first bag of formented forage we've opened hat has ZERO spoilage. It smells fresh and looks just like when we filled the bag."
Chris & Jeremy
Michigan
"Our haylage feeds better, we have better bunk life, and the cows get more out of it. Our high-moisture corn never got hot. Period."
Bob
Ohio
"Feed is cooler coming out of the silo; fresh as the day it was put in!"
Sam
Wisconsin
"I'm using Hay Guard to improve hay production, to limit weather damage on hay, and increase yields."
Brad Betchel
Australia
"I'm using Hay Guard to improve hay production, to limit weather damage on hay, and increase yields."
Brad Betchel
Australia
"This is the first bag of formented forage we've opened hat has ZERO spoilage. It smells fresh and looks just like when we filled the bag."
Chris & Jeremy
Michigan
"Our haylage feeds better, we have better bunk life, and the cows get more out of it. Our high-moisture corn never got hot. Period."
Bob
Ohio
"Feed is cooler coming out of the silo; fresh as the day it was put in!"
Sam
Wisconsin
"I'm using Hay Guard to improve hay production, to limit weather damage on hay, and increase yields."
Brad Betchel
Australia
"I'm using Hay Guard to improve hay production, to limit weather damage on hay, and increase yields."
Brad Betchel
Australia
"This is the first bag of formented forage we've opened hat has ZERO spoilage. It smells fresh and looks just like when we filled the bag."
Chris & Jeremy
Michigan
"Our haylage feeds better, we have better bunk life, and the cows get more out of it. Our high-moisture corn never got hot. Period."
Bob
Ohio
"Feed is cooler coming out of the silo; fresh as the day it was put in!"
Sam
Wisconsin
"I'm using Hay Guard to improve hay production, to limit weather damage on hay, and increase yields."
Brad Betchel
Australia
"I'm using Hay Guard to improve hay production, to limit weather damage on hay, and increase yields."
Brad Betchel
Australia
"This is the first bag of formented forage we've opened hat has ZERO spoilage. It smells fresh and looks just like when we filled the bag."
Chris & Jeremy
Michigan
"Our haylage feeds better, we have better bunk life, and the cows get more out of it. Our high-moisture corn never got hot. Period."
Bob
Ohio
"Feed is cooler coming out of the silo; fresh as the day it was put in!"
Sam
Wisconsin
"I'm using Hay Guard to improve hay production, to limit weather damage on hay, and increase yields."
Brad Betchel
Australia
"I'm using Hay Guard to improve hay production, to limit weather damage on hay, and increase yields."
Brad Betchel
Australia
"This is the first bag of formented forage we've opened hat has ZERO spoilage. It smells fresh and looks just like when we filled the bag."
Chris & Jeremy
Michigan
"Our haylage feeds better, we have better bunk life, and the cows get more out of it. Our high-moisture corn never got hot. Period."
Bob
Ohio
"Feed is cooler coming out of the silo; fresh as the day it was put in!"
Sam
Wisconsin
"I'm using Hay Guard to improve hay production, to limit weather damage on hay, and increase yields."
Brad Betchel
Australia
"I'm using Hay Guard to improve hay production, to limit weather damage on hay, and increase yields."
Brad Betchel
Australia
"This is the first bag of formented forage we've opened hat has ZERO spoilage. It smells fresh and looks just like when we filled the bag."
Chris & Jeremy
Michigan
"Our haylage feeds better, we have better bunk life, and the cows get more out of it. Our high-moisture corn never got hot. Period."
Bob
Ohio
"Feed is cooler coming out of the silo; fresh as the day it was put in!"
Sam
Wisconsin
"I'm using Hay Guard to improve hay production, to limit weather damage on hay, and increase yields."
Brad Betchel
Australia
"I'm using Hay Guard to improve hay production, to limit weather damage on hay, and increase yields."
Brad Betchel
Australia
"This is the first bag of formented forage we've opened hat has ZERO spoilage. It smells fresh and looks just like when we filled the bag."
Chris & Jeremy
Michigan
"Our haylage feeds better, we have better bunk life, and the cows get more out of it. Our high-moisture corn never got hot. Period."
Bob
Ohio
"Feed is cooler coming out of the silo; fresh as the day it was put in!"
Sam
Wisconsin
"I'm using Hay Guard to improve hay production, to limit weather damage on hay, and increase yields."
Brad Betchel
Australia
"I'm using Hay Guard to improve hay production, to limit weather damage on hay, and increase yields."
Brad Betchel
Australia
"This is the first bag of formented forage we've opened hat has ZERO spoilage. It smells fresh and looks just like when we filled the bag."
Chris & Jeremy
Michigan
"Our haylage feeds better, we have better bunk life, and the cows get more out of it. Our high-moisture corn never got hot. Period."
Bob
Ohio
"Feed is cooler coming out of the silo; fresh as the day it was put in!"
Sam
Wisconsin
"I'm using Hay Guard to improve hay production, to limit weather damage on hay, and increase yields."
Brad Betchel
Australia
"I'm using Hay Guard to improve hay production, to limit weather damage on hay, and increase yields."
Brad Betchel
Australia
"This is the first bag of formented forage we've opened hat has ZERO spoilage. It smells fresh and looks just like when we filled the bag."
Chris & Jeremy
Michigan
"Our haylage feeds better, we have better bunk life, and the cows get more out of it. Our high-moisture corn never got hot. Period."
Bob
Ohio
"Feed is cooler coming out of the silo; fresh as the day it was put in!"
Sam
Wisconsin
