Thanks for being part of our Purina® Producer Meeting and learning how Altosid® IGR and ClariFly® Larvicide can help drive herd productivity.
Enter our giveaway for a chance to win one ton of Purina® Wind and Rain Fly Control Mineral by filling out the form below.
Ten winners will be announced on May 15.
Altosid® IGR vs. ClariFly® Larvicide
Two proven solutions. One clear goal: better protection for your cattle.
Altosid® IGR vs. ClariFly® Larvicide
Two proven solutions. One clear goal: better protection for your cattle.

Perfect for: Cattle grazing on pasture
- Targets the horn fly—the #1 economic pest of pastured cattle
- Contains (S)-methoprene, an insect growth regulator
- Works through feed to break the fly life cycle
- Helps reduce stress, maintain gains, and protect ROI throughout the season

Perfect for: All cattle operations
- Controls house, stable, face, and horn flies
- Works through feed to prevent fly emergence
- Supports animal comfort, reduced irritation, and improved productivity
- Helps keep weight gains and profits up
Hear from Producers Who Have Had Success with Our 90-Day Trial
Producers using Altosid® IGR or ClariFly® Larvicide in a 90-day program reported measurable improvements in fly control, herd comfort, and overall productivity.
Behavior & Herd Comfort
68.4%
observed less bunching
84.0%
noticed cattle appeared
less stressed
less stressed
90.9%
reported a visible
reduction in fly
populations
reduction in fly
populations
Producer Satisfaction
8.3/10
average satisfaction score
94.7%
plan to continue using
feed-through fly control
feed-through fly control
>85%
producers reported
strong performance
across all operations
strong performance
across all operations
Watch our video to learn more about our previous product trials.
Need help choosing the right product?
Your Purina® representative can recommend the best solution for your operation.
