Starbar Inhibidor Insecticidal Pour-On

Reliable Protection Against Flies and Lice for Cattle

Product Description

Keeping cattle comfortable and healthy means keeping biting pests under control. Starbar Inhibidor Insecticidal Pour-On is designed just for beef cattle and calves, offering an easy way to fight flies and lice that can stress animals and impact weight gain. With a simple backline application, you’ll protect your herd while breaking insect life cycles for long-term results.

Mixtures

Composition Table

Other Ingredients

• 94.0% other ingredients
  
• Contains petroleum distillates
  

* (butylcarbityl)(6-propylpiperonyl) ether and related compounds

Variants/Types

• 64 oz Bottle – perfect for small herds (treats ~64 head at 1,000 lb each).
• 2.5 Gallon Jug – ideal for larger herds (treats ~320 head at 1,000 lb each).

How to Use

Application Rate Chart

Directions for Use

• Measure Accurately: Apply 0.1 fl oz per 100 lb of body weight directly to cattle.
• Pour-on method: Dispense the product evenly along the animal’s backline, from poll to tailhead.
• Follow schedule: Treat cattle no more than once every two weeks for safe pest control.
• Set limits: Do not exceed four pour-on applications within any six-month treatment period.

Additional Information

Precautions

• Keep feed safe: Always remove or securely cover feed and water sources during application.
• Wear protection: Use gloves, long sleeves, and proper eye protection whenever handling this product.
• Guard the environment: Do not apply near rivers, ponds, or any other natural water sources.
• Use restrictions: This product is approved only for beef cattle and calves, never dairy or veal.

Possible Side Effects

• Skin irritation: The liquid may cause irritation, and prolonged or repeated contact could affect blood health.
• Eye irritation: Getting the product in eyes may cause mild to moderate irritation or temporary discomfort.
• Respiratory exposure: Normal use isn’t expected to cause problems, but long-term exposure may impact blood health.
• Ingestion hazard: Swallowing the product is harmful, and repeated ingestion could damage internal organs over time.
• Aspiration risk: If swallowed, the liquid can enter airways and cause serious, potentially fatal complications.
• Petroleum distillates: Because the formula contains petroleum distillates, vomiting after ingestion may cause aspiration pneumonia.
  
  

First Aid Instructions

• Skin contact: Thoroughly wash the exposed area with soap and water immediately after exposure.
• Eye contact: Rinse eyes gently with clean water for several minutes.
• Breathing issues: Move person to fresh air if vapors cause discomfort.
• If swallowed: Do not try to make the person vomit and get medical attention right away.
• Seek Immediate Help: Call a poison control center or doctor right away for expert guidance.
• Keep Info Ready: Have the product label or container handy, and use the 24/7 hotline: 1-800-347-8272.
  

Benefits

• Full coverage: Works against horn flies, lice, stable flies, horse flies, and deer flies
• Stops life cycles: Prevents flies from developing in manure, cutting reinfestation risk
• Season-long peace: One application delivers lasting lice control through the season.
• Simple pour-on: Quick to measure, easy to apply, and stress-free for animals.

Shipping & Return

We offer ground, express, priority, and international delivery; see our shipping policy for details.

For return instructions or product concerns, please refer to our detailed refund policy.

Frequently Asked Questions

What insects will this pour-on control?

It controls horn flies, lice, stable flies, horse flies, and deer flies. By disrupting life cycles and reducing fly emergence from manure, it protects your herd from both current infestations and future outbreaks.

How often can I treat my cattle?

Cattle should only be treated once every two weeks, with no more than four treatments in a six-month period. Following this schedule ensures strong pest control while keeping your animals safe.

Can I use this on dairy cows?

No, Inhibidor Pour-On is labeled for beef cattle and calves only. It should not be applied to dairy cattle or veal calves, as this use is not approved and could affect animal safety.

How much do I need for my herd?

A 64 oz bottle will treat about 64 head of cattle weighing 1,000 lb each. For larger herds, the 2.5 gallon jug treats up to 320 animals of the same weight.

How long does protection last?

Inhibidor provides season-long lice control and keeps horn flies down for up to 17 days. Stable flies are controlled for up to 10 days, offering your herd consistent comfort and relief.