
Syngenta Klerat for The Control of Rodents (100 gm)
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Syngenta Klerat Rodenticide (Brodifacoum 0.005% Waxblocks)
The "Single-Feed" solution for controlling rats and mice in homes, fields, and warehouses.
[Image of Syngenta Klerat Waxblocks packet]Syngenta Klerat Waxblocks represent the gold standard in rodent control. Unlike older poisons that require rats to eat bait multiple times, Klerat contains Brodifacoum, a potent active ingredient that kills rodents after just a single feed. Designed as weather-proof wax blocks, they are perfect for use in damp drains, open fields, and kitchens, effectively controlling even "smart" rats that avoid other traps.
Best For: Controlling large infestations of Rats, Mice, and Bandicoots in residential, commercial, and agricultural settings.
Why Choose This Product? Key Benefits
- ⚡Single-Feed Kill: Highly potent. A rat only needs to eat a very small amount (a few grams) once to receive a lethal dose.
- 🌧️Weather & Moisture Proof: The wax formulation prevents the bait from molding or dissolving, making it ideal for sewers, drains, and rainy fields.
- 🧠No Bait Shyness: Death is delayed (4-12 days). Rats do not suspect the food caused the illness, so the whole colony continues to eat it.
- 🛡️Safety Design: Contains "Bitrex," the bitterest substance known. It prevents accidental swallowing by humans or pets (they spit it out immediately) but rats don't mind the taste.
- 🏗️Easy to Secure: Each block has a central hole, allowing you to nail it down or tie it inside a bait station so rats can't steal it.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Klerat Waxblocks |
| Active Ingredient | Brodifacoum 0.005% w/w |
| Chemical Group | Second-Generation Anticoagulant (SGAR) |
| Formulation | Wax Block (with cereal matrix) |
| Antidote | Vitamin K1 (Phytomenadione) |
| Safety Additive | Bitrex (Denatonium Benzoate) |
How It Works: Mode of Action
Klerat works by disrupting the blood-clotting mechanism in rodents. It is a "Resistance Breaker," meaning it kills rats that have become immune to older poisons like Warfarin or Bromadiolone.
[Image of rodent feeding on wax block]- Ingestion: The rat eats the block. The high-quality grain mix makes it tasty, while the wax keeps it fresh.
- Internal Action: The active ingredient blocks Vitamin K in the liver. This stops the blood from clotting naturally.
- Delayed Mortality: The rat feels fine for a few days. After 4-12 days, it succumbs to internal bleeding. Because death is not immediate, other rats are not scared away from the bait.
Note: This delayed action is crucial for wiping out entire nests, as "smart" rats will not associate the food with danger.
Target Pests & Settings
| Setting / Location | Target Pest(s) |
|---|---|
| Drains, Sewers, Basements | Norway Rat (Large, burrowing rat) |
| Kitchens, False Ceilings, Attics | Roof Rat (Climbers) & House Mouse |
| Agricultural Fields (Rice/Cane) | Bandicoot Rat (Aggressive burrower) |
Dosage & Application Guide
The Golden Rule: Use the "Pulsed Baiting" technique. Do not fill the station daily. Check weekly to save money and bait.
Baiting Protocol for Best Results
| Target Pest | Bait Amount (per station) | Station Spacing | Check Frequency (Pulse) | Placement Tip |
|---|---|---|---|---|
| Rats | 20 - 60 grams (4-12 blocks) | 5 to 10 meters | Every 7 Days | Along walls, near burrows |
| Mice | 20 grams (4 blocks) | 2 to 4 meters | Every 7 Days | Behind appliances, corners |
| Field Burrows | 5 - 10 grams (1-2 blocks) | Per active burrow | Day 1 & Day 14 | Deep inside hole, close with mud |
*Pulsed Baiting: Place bait on Day 1. Check on Day 7; if eaten, replace it. If untouched, move the station. By Day 14, most rats will be dead.
How to Apply: Best Practices
[Image of bait station with Klerat wax blocks]- Placement: Rats run along walls (thigmotaxis). Always place bait stations flush against the wall, never in the middle of an open room.
- Secure the Bait: Use the hole in the center of the block to thread it onto a wire or nail. This prevents rats from carrying the poison away to where children or pets might find it.
- Hygiene: Remove other food sources (garbage, open grain) so the rats are forced to eat the Klerat.
- Disposal: Search for dead rats daily. Wear gloves, pick them up, and bury or burn them. This prevents "secondary poisoning" of cats or birds that might eat the dead rat.
Frequently Asked Questions
1. How quickly will the rats die?
Rats typically die 4 to 12 days after eating the bait. This delay is intentional to ensure the rest of the colony keeps eating without suspicion.
2. Is Klerat safe for dogs and cats?
No, it is toxic to all mammals. However, it contains "Bitrex" which makes it taste incredibly bitter to dogs and children, causing them to spit it out. Always use tamper-resistant bait stations.
3. Why use wax blocks instead of loose powder?
Wax blocks are moisture-resistant. They won't turn into mush in damp drains or rain, and they can be secured so rats can't spread the poison around the house.
4. Do I need to put bait out every day?
No. Klerat is a "single-feed" poison. Put it out once, then check back in 7 days. This saves you money and labor compared to older poisons.
5. What is the antidote if accidental poisoning occurs?
The specific antidote is Vitamin K1 (Phytomenadione), administered under medical supervision.
Safety & Disclaimer
Always read and follow the instructions on the official product label. Keep out of reach of children and pets. Use gloves when handling bait and disposing of dead rodents. The information provided here is for guidance only.


