Description
Prozap Insectrin CS is an oil-based, ready-to-use pyrethroid insecticide combining 7.4% permethrin with 7.4% piperonyl butoxide synergist. It's EPA?registered and formulated for broad use on livestock and premises. It's effective against a variety of flying and biting pests such as horn flies, face flies, stable flies, horse flies, mosquitoes, black flies, lice, ticks, sheep keds, fleas, and more.
Key Features:- High-concentration active ingredients: Delivers powerful control with 7.4% permethrin and 7.4% PBO.
- Multi-application versatility: Use as pour?on, wipe-on, spray-on (mist sprayer), spot spray, or in back-rubber devices by mixing in mineral oil.
- Suitable for multiple species: Approved for use on beef/dairy cattle (including lactating), calves, sheep, lambs, and horses—excluding pour-on for foals.
- Premise treatment capability: One 500 mL undiluted spray treats approximately 7,200 ft² of barns, pens, kennels, and meat-processing area.
Ingredients
Active Ingredient:
Permethrin
Piperonyl Butoxide
Useful Information
Dosage & Application Guide:
Cattle & Calves
Pour-on / Spray: 2?mL per 100?lb body weight (max 20?mL per animal). Apply every 14 days as needed.
Back-rubber: Mix 64?mL per gallon of mineral oil (~2.1?oz) and maintain equipment saturation for optimal efficacy.
Sheep & Lambs
Pour-on: 1?mL per 50?lb (max 12?mL per animal), ideally post-shearing.
Horses (Mature Only)
Wipe-on: 8–16?mL evenly applied via cloth to head, legs, neck, and shoulders, avoiding eyes.
Spray: 8–16?mL in mist sprayer directed onto ticks or to repel biting flies after exercise.
Pour-on: 8–16?mL along mane and face (exclude eyes). Do not use on foals.
Premises / Spot Spray
Ready-to-use: Apply undiluted in mist form—500?mL covers ~7,200?ft². Reapply to maintain residual control.
Safety & Precautions:
Cattle & Calves
Sheep & Lambs
Horses (Mature Only)
Premises / Spot Spray
Safety & Precautions:
- Moderate eye irritant; may cause allergic skin reactions with chronic exposure.
- Toxic to fish, aquatic organisms, and bees—avoid application near water and bloom periods.
- Flammable: Keep away from ignition sources; flash point at 85?°C (Tag CC).
- PPE required: Long sleeves, pants, shoes, socks, and chemical-resistant gloves; for misting indoors, add respirator, coveralls, and eye protection.
- Proper handling & storage: Ground containers and equipment, store securely in a cool, ventilated space, lock away from children and animals. Disposal: Triple-rinse containers; do not dump in water drains without EPA permit.






